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Содержание Koheras ADJUSTIK

Страница 1: ...Koheras ADJUSTIK PRODUCT GUIDE Low Noise Single Frequency Laser System ...

Страница 2: ...PRODUCT GUIDE This guide includes the following NKT Photonics Lasers Koheras ADJUSTIK Low Noise Single Frequency Laser System Koheras ADJUSTIK Product Guide Revision 1 0 01 2020 W 10456 ...

Страница 3: ...nktphotonics com lasers fibers support product manuals Terminology This guide may refer to the Koheras ADJUSTIK as the laser In specific cases where a distinction is required this guide will use the actual laser model names Target audience This guide is for technical personnel involved in the selection planning and deployment of lasers in laboratory and industrial settings The guide assumes a reas...

Страница 4: ...operation and installation Added information and safety notices Lasers are highly dangerous devices that can cause serious injury and property damage This guide use the following symbols to either highlight important safety information or provide further information in relation to a specific topic Note Highlights additional information related to the associated topic and or provides links or the n...

Страница 5: ...eration 20 Module variants 20 Center wavelength 20 Output power 20 Tuning types 21 Front and rear panels 21 Front panel 21 Rear panel 23 Optical specifications 23 Laser features 24 Thermal tuning 24 Fast wavelength modulation 24 External cavity stabilization 25 Amplitude modulation 25 Operating mode 25 Trigger 26 Auto start 26 High temperature shutdown 26 Power verification 27 ...

Страница 6: ...gth signal 34 Differential input 35 Single ended to differential 35 Singled ended input 35 Wavelength to GND 37 Differential output 38 Wavelength modulation coupling 38 Narrow vs Wide modulation range 38 Frequency response 38 Amplitude modulation 40 Amplitude Signal 40 External cavity stabilization ADJUSTIK X15 41 Setting up external cavity stabilization 42 Section 2 OPERATING THE LASER 43 2 Front...

Страница 7: ...mmunicating with the Laser 53 CONTROL software 53 Installing the software 53 Connecting the laser to a PC with CONTROL 53 Ethernet connection 54 4 Turning ON the Laser 57 Safety 57 Preparation 57 Enabling and disabling emission 58 Enable emission CONTROL 58 Enable emission front panel 59 5 Using CONTROL 63 CONTROL overview 63 Relocating panels 64 Toggling panels 65 Connecting to the laser 65 Statu...

Страница 8: ...74 Application log 75 CONTROL Control panel 76 Power mode 76 Current mode 76 Section 3 INSTALLING THE LASER 77 6 Mechanical Installation 79 General 79 Heat dissipation 79 Rack mounting the laser 79 Placing the laser on a table or shelf 80 Operating and storage environment 81 7 Connecting the Laser 83 Connecting the safety interlock 83 Interlock operation 83 Connecting an interlock switch 84 Bus de...

Страница 9: ...es A Specifications 91 B Service and support Information 95 Servicing the laser 95 Opening the laser chassis 95 WARRANTY VOID IF REMOVED Label 95 Support contact details 96 Support Email 96 Online support web page 96 Shipping address 96 C Interface Pin Assignments 97 Modulation input output 97 External bus 97 D CONTROL Software 99 Installing CONTROL 99 ...

Страница 10: ...10 ...

Страница 11: ...s 34 Table 8 Narrow vs wide band wavelength modulation 38 Table 9 Front panel menu items 45 Table 10 CONTROL panels and menu items 63 Table 11 Power specifications 85 Table 12 Optical 91 Table 13 Mechanical dimensions 91 Table 14 Operating and storage environment 91 Table 15 Electrical 92 Table 16 Safety and regulatory compliances 92 Table 17 Mechanical dimensions 93 Table 18 Modulation connector ...

Страница 12: ...12 ...

Страница 13: ...TIK X15 wavelength modulation response 39 Figure 14 ADJUSTIK E15 C15 Y10 wavelength modulation response 40 Figure 15 Differential input for amplitude modulation 41 Figure 16 Single ended input for amplitude modulation 41 Figure 17 ADJUSTIK X15 in Pound Drever Hall configuration 42 Figure 18 Top level menu 46 Figure 19 Wavelength setting menu 47 Figure 20 Wavelength display menu set as Absolute 47 ...

Страница 14: ...r waveform selection Type 69 Figure 42 Turning on wavelength modulation 71 Figure 43 Power and current mode controls 71 Figure 44 Ethernet setting 72 Figure 45 Watchdog setting 73 Figure 46 Clock setting 73 Figure 47 View setting 74 Figure 48 Menu items 74 Figure 49 Serial monitor 75 Figure 50 Serial Monitor 75 Figure 51 Operating mode set to power 76 Figure 52 Rear panel heat sink 79 Figure 53 Im...

Страница 15: ...Procedure 2 Connecting a PC to the laser using Ethernet 55 Procedure 3 Turning on the laser using CONTROL 58 Procedure 4 Turning on the laser using CONTRO4 60 Procedure 5 Relocating panels 64 Procedure 6 Connecting the door interlock circuit 84 Procedure 7 Installing CONTROL 99 ...

Страница 16: ...16 ...

Страница 17: ... of the laser and its chassis types It includes the following topics Laser Description on page 19 Module variants on page 20 Laser features on page 24 Miscellaneous on page 27 Optical interface on page 27 Laser Control on page 28 Status LEDs on page 29 Chassis labels on page 30 ...

Страница 18: ...18 ...

Страница 19: ...gy and center wavelengths can be specified from either 1535 to 1580 nanometers or 1030 to 1120 nanometers All laser variants support a wide tuning range of approximately 1 nm from the specified center wavelength Features and Options The laser series includes the following features and options Thermal Tuning can vary the wavelength through coarse thermal control of the laser substrate Piezo Tuning ...

Страница 20: ...ble over the entire operating frequency band of the laser Module variants The Koheras ADJUSTIK is available in four variants The variants are mainly classified by their wavelength and output power Table 1 describes the primary technical differences between the variants Table 1 ADJUSTIK variant specifications Center wavelength The center wavelength of ADJUSTIK lasers is set to 1550 12 nm ITU DWDM C...

Страница 21: ...ation on page 24 Note Koheras ADJUSTIK lasers are fitted with Piezo tuning by default If Piezo tuning is not required it must be specified when ordering the laser Output power tuning Output power tuning is determined by the variant type C15 and Y10 variants No power tuning output power is fixed at the factory E15 variant Limited power tuning from approximately 30 to 100 of the maximum output power...

Страница 22: ... supply voltage status Interlock interlock circuit open closed not OK OK Emission the laser emission status Status the module stability status For more information see Status LEDs on page 29 Figure 2 ADJUSTIK front panel layout Rack mounting There is a flange on each side of the front panel for mounting the laser in a standard 19 inch rack The flanges include plastic finger grips to facilitate ins...

Страница 23: ...k safety circuit for connected accessories If no accessories are connected the supplied bus defeater must always be placed on the connector to loop back the interlock safety circuit AC inlet standard IEC C 14 mains inlet connector Table 2 ADJUSTIK rear panel layout Note The pin assignments of the connectors are described in Appendix C Optical specifications Main optical output The laser s main out...

Страница 24: ...wavelength to be modulated using an external electrical signal Input circuits Section Fast wavelength modulation on page 33 provides examples of fast wavelength modulation circuits and performance Wavelength Signal To modulate the wavelength apply an external differential signal to Modulation connector on the rear panel See Modulation input output on page 97 for the connector s pin assignment As t...

Страница 25: ...n external differential signal to Modulation connector on the rear panel A differential signal applied to these pins varies the VOA attenuation directly See Modulation input output on page 97 for the connector s pin assignment Setpoint When amplitude modulation is used the maximum power output can be limited to a preset value This value is known as the setpoint and it limits the maximum output to ...

Страница 26: ...in the electrical interface must be high when the module is powered up Note Auto start will not turn ON the laser emission if after power up the interlock signal subsequently changes to high Koheras ADJUSTIK ACOUSTIK If the module is used within either the ADJUSTIK or ACOUSTIK chassis auto start is overruled and cannot start laser emissions even if the auto start bit is set KeyUpdater To enable di...

Страница 27: ...s included with your laser If you do not have access it you can download a copy from https www nktphotonics com lasers fibers support product manuals Optical interface The laser has two optical outputs marked with an A and a B on the front of the module Assignment of the output type depends on the laser configuration ordered from the factory The optical outputs are assigned as either Main this is ...

Страница 28: ...be controlled using NKTP s Software Development Kit SDK for custom applications For further information regarding the SDK refer to the software and drivers link at NKTP s support webpage https www nktphotonics com lasers fibers support technical support and customer service The PC or custom microprocessor can connect using either the USB serial port on the front panel or the 10 100 BASE T Ethernet...

Страница 29: ...s no emission from the system Alternatively firmware is being uploaded to the system main control board During firmware upgrade the interlock cannot be reset and no emission from the system is possible ON Orange Interlock fault or the interlock needs to be reset Flashing Orange The system main control board is scanning for modules attached to the system and accessories connected to the external bu...

Страница 30: ...s a number of labels on it that indicate hazards regulatory or manufacturing information The labels are located on the panels described in Table 6 with the panels shown in Figure 4 and Figure 5 Figure 4 Top panel label locations Figure 5 Rear panel label location ...

Страница 31: ...nd regulatory compliance Product Information Top Safety label showing the emission specifications of the laser Laser Radiation Warning Top Safety information alert indicating this area of the laser is near a source of dangerous laser emissions Laser Aperture Fiber connector Safety information alert indicating the location of the aperture where laser radiation is emitted from the laser If the modul...

Страница 32: ...Chassis labels 32 ...

Страница 33: ...t Therefore the E15 s performance is only guaranteed at the nominal maximum output power setting Fast wavelength modulation If the fast wavelength modulation option is included with the laser the output wavelength can be modulated using an external varying electrical signal the internal function generator or both Configuring external and internal wavelength modulation The wavelength of a Koheras A...

Страница 34: ...ion For CONTROL see For SDK see External wavelength modulation Sets wavelength modulation to external signal mode page 68 page 84 Internal function generator Sets wavelength modulation to internal function generator mode page 69 page 84 Modulation frequency Sets the frequency of the internal function generator The settable range is from 0 008 Hz to 100 kHz page 70 page 85 Modulation amplitude Sets...

Страница 35: ...he wavelength modulation setting when it is not in use Single ended to differential The circuit shown in Figure 7 is an example of how to generate a differential signal from a single ended input In this example a 5 Vpp single ended input signal with a 0 V common mode voltage generates a 2x 5 Vpp differential signal with a 2 5 V common mode voltage Figure 7 Single ended to differential Singled ende...

Страница 36: ... differential 2x5 Vpp input Figure 8 Single ended input signal with 2 5 V Figure 9 shows the Wavelength pin connected to the same potential as the common mode voltage of the Wavelength signal the optical output will be modulated around its center wavelength Figure 9 Single ended input with 2 5 V on an unused branch ...

Страница 37: ...d to GND and the Wavelength signal is modulated between 0 and 5 V as shown in Figure 10 the optical output is modulated above its thermally controlled wavelength Figure 10 Single ended input signal with GND on an unused branch Figure 11 Single ended input connections with 0 V on an unused branch ...

Страница 38: ... laser adjusts its wavelength so the differential error signal level on the Wavelength input leans towards 0 V Narrow vs Wide modulation range You can set the wavelength modulation operation to either narrow or wide range As detailed in Table 8 the operation characteristic of each range depends on the laser type X15 or E15 C15 Y15 Table 8 Narrow vs wide band wavelength modulation Frequency respons...

Страница 39: ...arrow ranges Wide 600 MHz tuning at low frequencies with a smooth roll off to a 3 dB cut off at 300 Hz Narrow 30 MHz tuning with a slight peak at 3 kHz Figure 13 ADJUSTIK X15 wavelength modulation response E15 C15 Y10 frequency response Figure 14 shows the measured frequency response of the ADJUSTIK E15 C15 Y10 for both wide and narrow ranges Wide E15 C15 8 GHz with a 3 dB cut off at 200 Hz Y10 10...

Страница 40: ...ator When the output power is modulated the maximum level cannot exceed the configured output power setpoint Amplitude Signal The Amplitude pins of the electrical interface are a differential input used for amplitude modulation or power control of the laser Unlike the Wavelength pins the Amplitude pins are input only Input signals Figure 15 shows a differential signal consisting of two 5 Vpp input...

Страница 41: ...tively Figure 16 shows the amplitude negative pin connected to ground with the positive branch connected to a signal that varies between 0 V and 5 V Figure 16 Single ended input for amplitude modulation External cavity stabilization ADJUSTIK X15 A Koheras ADJUSTIK X15 can be locked to an external cavity to obtain lower low frequency phase noise by using the Pound Drever Hall technique Figure 17 ...

Страница 42: ... the wavelength modulation input as DC coupled see Modulation Coupling on page 69 3 Configure the laser to operate in narrow modulation range see Modulation Range on page 70 4 Turn wavelength modulation on see Turning on wavelength modulation on page 71 5 Set the update interval see Integrating update interval on page 70 Once enabled the laser constantly adjusts its wavelength so that the Pound Dr...

Страница 43: ...TION 2 OPERATING THE LASER This section describes how to manage and operate the laser and includes the chapters Communicating with the Laser on page 53 Turning ON the Laser on page 57 Using CONTROL on page 63 ...

Страница 44: ...44 ...

Страница 45: ...length display on page 47 W1 Modulation Enables external or internal wavelength modulation W1 modulation on page 47 W1 mod Gain Gain adjustment for the wavelength modulation signal W1 mod Gain on page 47 W1 mod Source Selects to use either an external or internal signal for wavelength modulation W1 mod source on page 48 W1 mod Coupling Selects either AC or DC coupling to be used with wavelength mo...

Страница 46: ...Press the enter button multiple times to select a digit of a parameter When the digit is flashing use the selection dial to modify the value Press the enter button again to move to another digit of a parameter Top menu The top level menu Figure 18 displays the emission wavelength absolute or relative emission power dBm or mW and any operational messages such as for example an interlock warning Whe...

Страница 47: ...ays the actual wavelength in both the Top and Wavelength menus Relative displays the relative offset wavelength from the nominal wavelength Figure 20 Wavelength display menu set as Absolute W1 modulation Enter the W1 modulation menu to turn ON or OFF the wavelength modulation feature to modulate the wavelength of the laser see Fast wavelength modulation on page 33 Figure 21 Wavelength modulation O...

Страница 48: ...gnal set to internal W1 mod Coupling Use this menu to set the how to couple the wavelength modulation signal Enter the W1 mod Coupling menu and set the signal coupling to either AC or DC coupling Figure 24 Wavelength modulation signal coupling set to AC W1 mod Range In the W1 mod Range menu Figure 25 you can set the depth of the modulation range to either Narrow or Wide Refer to Narrow vs Wide mod...

Страница 49: ...e Power Use the Power menu to tune the level of the laser s output emission power The maximum output power level for the Koheras lasers is listed in Table 1 Figure 27 Power tuning menu Note For C15 and Y10 variants the power is fixed and cannot be adjusted Power unit Power can be set and displayed in either milliwatts mW or decibel milliwatts dBm Select this menu item and turn the selection dial l...

Страница 50: ...evel of the LCD panel back light IP Address The rear panel of the laser supports a standard 10 100 baseT Ethernet port Use this menu to set the IP address of the laser Figure 31 IP address setting Emission button Press the Emission button to turn laser emission ON and OFF The Emission LED on the front panel will be ON RED when the laser emission is enabled Warning You must follow all safety regula...

Страница 51: ... laser allow it at least 30 minutes to reach room temperature Turn ing on a laser that is too cold or hot may lead to the system being damaged Further ensure the laser is securely installed and connected according to the procedures in Mechanical Installation on page 79 and Connecting the Laser on page 83 This means the laser should be installed in the recommended environment with power applied and...

Страница 52: ...Overview 52 ...

Страница 53: ...configuring and monitoring the laser Installing the software After downloading the CONTROL installer software onto a PC double click the installer and follow the built in wizard Further details on installing the software is available in Appendix E Connecting the laser to a PC with CONTROL Connect the laser to a PC with CONTROL installed on it using either a USB or Ethernet cable Follow the steps i...

Страница 54: ...sing CONTROL 4 Launch the CONTROL software by either u clicking on Windows Start Programs NKT Photonics CONTROL or u double clicking the CONTROL shortcut on the desktop 5 The CONTROL window opens Click on the Connect button in the upper left region of the window 6 CONTROL automatically scans for any connect lasers and accessories available on both COM and configured Ethernet ports 7 The CONTROL an...

Страница 55: ...t and recommended Host Port Enter a TCP or UDP port the PC will use for communications with the laser The default value is 10001 System Port Enter a TCP or UDP port the laser will use for communication with the CONTROL PC The default value is 10001 Note If you connect multiple lasers over IP to the same NKTP CONTROL PC each laser must be configured with a unique local system port Timeout ms Enter ...

Страница 56: ...configured port 1 Highlight the port and Click the delete button or 2 Click the edit button 3 Click Save when finished Edit button Delete button From the Connect drop down menu click on the Ethernet connection you configured in step 3 to connect CONTROL to the laser Note If CONTROL cannot access the port configured for the laser verify that the CONTROL PC has connectivity with the laser by executi...

Страница 57: ...nicating with the Laser on page 53 3 The FC APC connector is placed so that any emissions are contained within the working application such as a beam dump that can safely absorb the emitted beam power Warning Turning on the laser will emit hazardous laser Class 3B radiation Ensure to observe and implement all safety regulations warnings and cautions in this guide and the Koheras ADJUSTIK Safety Ha...

Страница 58: ...and Status is AMBER check the following 1 The door interlock circuit is open Connecting the safety interlock on page 83 2 The external bus is not looped back with a bus defeater Connecting the safety interlock on page 83 3 The key switch is set to OFF proceed to step 2 3 Turn the key switch on the front panel to the ON position 4 To enable emission click the Emission button once The emission indic...

Страница 59: ...he Wavelength offset control To adjust the wavelength click hold the slider to change its position b Alternatively enter the wavelength in nanometer units by typing the value into the offset input box at the upper right corner c For a laser with power control set the emitted power level using the slider in the Power control To change the power click hold the red slider to change its position d Alt...

Страница 60: ... bus chain Note if the laser is operating in standalone mode place the bus defeater on the External bus connector b Door interlock message the message is displayed if the door interlock circuit is open Close the circuit to clear the message 3 If the Key switch off message is displayed go to step 4 4 Turn the key switch on the front panel to the ON position 5 The Laser off message indicates laser e...

Страница 61: ...61 Enabling and disabling emission 6 Emission ENABLED message the emission wavelength and power level is displayed Action Emission is ENABLED ...

Страница 62: ...Wavelength setting menu Once selected use the selection dial and enter button to adjust the wavelength λ b Adjust power to modify the output power use the selection dial and enter button to select the Power menu item In the menu use the selection dial and enter button to adjust the power level 9 To disable emission click the Emission ON OFF button once and Laser off message is displayed on the fro...

Страница 63: ...ol and a CONTROL settings menu Status panel on page 65 Menu Items Four drop down menus with multiple functions CONTROL menu items on page 74 Quick Connect Provides a button when clicked scans all available PC ports for connected NKTP products Connecting to the laser on page 65 Control Panel The control panel provides controls for the laser For example It provides configuration controls such as the...

Страница 64: ...indow Action 1 Left click hold the top title bar of a panel 2 While holding the left mouse button down drag the panel to another position in the main window 3 When the background turns blue in a new GUI position release the mouse button to place the panel see Figure 33 4 Alternatively drag the panel outside the main window and release the mouse button A separate window for the panel will be create...

Страница 65: ...aunched the Welcome panel is displayed as in Figure 36 In the menu bar click the Connect drop down menu and then click on the COM port your laser is using to connect the PC to the laser The Control and Status panels will be displayed when the laser connects to the GUI See Connecting the laser to a PC with CONTROL on page 53 Figure 36 Welcome screen and connecting Status panel The Status Panel prov...

Страница 66: ...if power is connected to the laser ON Green Interlock circuit closed ON Red Interlock circuit open Status Indicates the laser thermalization and operation capability ON Green The laser has reached the set point temperature and has stabilized ON Amber The laser is in the process of warming up or an error is detected Click ...

Страница 67: ...played by CONTROL if the wavelength modulation feature is included with the laser Emission button The Emission button turns the laser emission ON See Enabling and disabling emission on page 58 The button indicator will turn ON RED when any laser emissions are generated Otherwise it will be OFF GREY Warning Class 3B laser emissions will be emitted when the Emission button LED is ON RED CONTROL sett...

Страница 68: ...igure 40 wavelength is modulated by connecting an external signal to the Wavelength pins You can connect an external signal to either the ADJUSTIK interface board connectors as described in Connecting modulation signals on page 85 or directly to the main electrical interface pins The pin assignments are described in Table 18 on page 97 For information regarding example signal generation circuits r...

Страница 69: ...e sawtooth waveform Figure 41 Internal generator waveform selection Type Modulation Coupling You can select to couple the modulation signal using either AC or DC coupling Click on the Coupling drop down menu arrow and select either AC or DC coupling Refer to Wavelength modulation coupling on page 38 for further information Note When using wavelength modulation with an X15 laser and the Modulation ...

Страница 70: ...sers are used one laser can be used as a master signal generator with the other lasers configured as slaves 1 For all the lasers connect the Wavelength pins together and the Wavelength pins together 2 Designate one laser as the master by setting it to operate in Internal modulation mode with the Signal output setting Enabled 3 All other laser s will operate in slave mode by setting them to operate...

Страница 71: ...egrating update interval sets the update interval for a software integrating function The function is only available on X15 systems with Coupling configured as DC and Range set to Narrow Turning on wavelength modulation To enable wavelength modulation in the status panel lower right click the WL mod button The indicator next to the button turns ON green Clicking the button again once turns of the ...

Страница 72: ...000 000 000 000 default setting the Koheras ADJUSTIK will be responsive for all IP addresses on the Ethernet network Host Port The Host port defines what port the Koheras ADJUSTIK frame should use for transmission of telegrams to the computer If the Computer port is set to 0 this means that the Koheras ADJUSTIK will use the same port for transmission as for reception i e as configured under ADJUST...

Страница 73: ... feature must be set to ON Figure 45 Watchdog setting Clock Within the Clock setting menu the system date and time can be read or set automatically by updating the settings from a connected PC Date Displays the system date in the format DD MM YYYY Time Displays the system time in 24 hour format HH MM SS Set to computer clock Click the Set button to updated the system time and date from a connected...

Страница 74: ...an view the real time RS 232 serial communication messaging to and from the laser using this panel The panel can be used for Debugging communication with the laser Issuing CLI commands to the laser using the command input field Toggles whether to display the serial FW release or system temperature Menu Item Function File Exits the GUI program Connect Disconnect Disconnects the currentlyconnected d...

Страница 75: ...ging serial communications The panel displays time stamps for both COM port open and close times and also general status information You can clear save and print the log data using the buttons in the upper left corner Figure 50 Serial Monitor The panel is enabled by placing a check mark on the Window pull down menu next to the Application Log item To close the panel click on the upper right corner...

Страница 76: ...fset control in picometers and output power control that can be scaled in either mW or dBm Figure 51 Operating mode set to power Note For C15 and Y10 variants the power is fixed and cannot be adjusted For these module variants a power slider control is unavailable Current mode In the Current operating mode the current in the fiber pump is kept at a constant level Only the wavelength offset control...

Страница 77: ...77 SECTION 3 INSTALLING THE LASER This section describes how to install the laser and includes the chapters Mechanical Installation on page 79 Connecting the Laser on page 83 ...

Страница 78: ...78 ...

Страница 79: ...al operation Caution For reliable operation the laser should not be exposed to corrosive agents or excessive moisture heat sources or dust Heat dissipation The heat generating components within the laser are thermally connected to a large heat sink mounted on the rear panel Ensure that the installation space supports adequate airflow in the vicinity of the rear panel heat sink Figure 52 Rear panel...

Страница 80: ...d Placing the laser on a table or shelf For installations where the laser is placed on a level surface the laser is equipped with four 4 rubber feet on its bottom panel Figure 54 Be sure to include adequate space at the rear of the laser so that the cooling fins can effectively dissipate the heat generated by the laser Additionally the surface should be free from vibrations and any source that cou...

Страница 81: ...storage environment Appendix A details the required ambient operating and storage environment specifications Warning The Koheras ADJUSTIK is a Class 3B laser product and its operation fa cility and conditions must comply with the standards listed below or similar CFR21 1040 10 Laser Notice LN50 IEC EN 60825 1 Rubber feet ...

Страница 82: ...Placing the laser on a table or shelf 82 ...

Страница 83: ...the laser must be connected to a switch activated by an access door to the laser s enclosure When the connected switch is opened by the door it opens the interlock circuit which turns off laser emissions Interlock operation Laser emission can be enabled when the connected interlock circuits are closed There are two circuits one circuit is connected through a door switch Figure 56 Interlock connect...

Страница 84: ... Procedure 6 Connecting the door interlock circuit Bus defeater A bus defeater must be placed on the last device in the External bus chain topology In Figure 56 the bus defeater is placed on the bus output connector of a connected accessory Off On Logic Circuit Laser Control Circuitry Reset Set Normally Open Door Switch Interlock Monitor De energized External Bus Connector Koheras ADJUSTIK Bus Def...

Страница 85: ...necting modulation signals Input and output wavelength modulation signals are described in chapter 2 Modulation The signals are connected to the DB 9 pin connector on th rear panel see Modulation input output on page 97 Connecting the trigger input or output The laser includes a trigger logic input output signal as part of the Modulation connector see Table 18 The trigger signal can be used to eit...

Страница 86: ...gger output circuit Figure 59 Trigger output circuit The high and low voltage levels are defined by the following equations Vhigh Vexternal Vlow Vexternal x 22k 22k R Connecting the optical output Before connecting the optical output connector ensure to check the connector tip using a fiber microscope Using the microscope check for any deformities damage residue or other contaminants at the optica...

Страница 87: ...87 Connecting the optical output clean the connector or contact NKT Photonics support if replacement is necessary ...

Страница 88: ...Connecting the optical output 88 ...

Страница 89: ... APPENDICES The appendices include Appendix A on page 91 Specifications Appendix B on page 95 Service and Support Appendix C on page 97 Interface Pin Assignments Appendix D on page 99 CONTROL Installation ...

Страница 90: ...90 ...

Страница 91: ...cal S N 50 pm res dB 50 typ 55 50 typ 55 65 typ 70 65 typ 70 Min Thermal Tuning Wavelength Tuning Range pm 2 2 Relative to the center wavelength at room temperature If the laser case temperature is outside the range of approximately 10 50 C the range of detuning from the center wavelength may be reduced 125 350 350 240 Total thermal tuning range pm 350 1000 1000 680 Fast Wavelength Modulation rang...

Страница 92: ...ts Laser Class 4 EN 61010 1 2010 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements 2004 108 EC Electromagnetic Compatibility 2011 65 EC Restriction of the use of certain Hazardous Substances in electrical and ...

Страница 93: ...93 Table 17 Mechanical dimensions ...

Страница 94: ...94 ...

Страница 95: ...ty seal Caution The laser contains electro static discharge ESD sensitive components To avoid permanent ESD damage use ESD protection precautions when han dling the laser Always connect the laser s earth point to a ground earth within your facility Opening the laser chassis There are no user serviceable components inside the laser chassis Should your laser malfunction and it cannot be serviced on ...

Страница 96: ... NKT Photonics can be contacted for help regarding issues and questions with your laser or its accessories Support Email support nktphotonics com Online support web page http www nktphotonics com click on support Shipping address NKT Photonics A S Blokken 84 DK 3460 Birkerød Denmark 2 ...

Страница 97: ... Positive branch of differential input output for amplitude modulation 8 AGND 0 volt analog ground for modulation signals 9 Wavelength Positive branch of differential input output for wavelength modulation Pin Signal Description 1 NC Not connected 2 RS485 The negative inverted link of the RS485 communication signal 3 Interlock loop Positive connection of the interlock loop Must be connected to Int...

Страница 98: ...en the interlock circuit is closed and has been reset This signal can be used to control safety related precautions on the External Bus 5 6 13 14 GND 0 volt ground 7 8 15 12 V 12 volt supply voltage for external accessories Maximum 4 A in total Pin Signal Description 2 ...

Страница 99: ...tps www nktphotonics com lasers fibers support software drivers Follow the steps in Procedure 7 Procedure 7 Installing CONTROL Action 1 On the PC launch the installer package and then click the Run button 2 The installation wizard appears Click Next to continue Installer ...

Страница 100: ...Browse button Click Next to continue 4 Uncheck the components you do not require By default all components will be installed Click Next to continue 5 Read the End User License Agreement and select I accept the license Selecting I do not accept the license will end the installation wizard Click Next to continue Action 2 ...

Страница 101: ... with program short cuts Use the default name or enter a new name for the folder Click Next to continue 7 Check the box to create a desktop shortcut to access Control Click Next to continue 8 Check the Silicon Labs driver installation recommended and click Next Action ...

Страница 102: ...r for the installation Note a normal install should only take a few seconds 11 Click Next to install the UART drivers for the PC USB port 12 Read the End User License Agreement and select I accept this agreement Selecting I don t accept this agreement will abort the driver installation Otherwise check the agreement accept button and click Next to install the driver Action ...

Страница 103: ...rs will be installed 14 The Silicon Labs drivers is installed successfully Click Finish to end the installation wizard 15 CONTROL is now installed Check the Run box to launch CONTROL when the Finish button is clicked Click Finish Action ...

Страница 104: ...Installing CONTROL 104 ...

Страница 105: ...Koheras ADJUSTIK Product Description Revision 1 0 01 2020 W 10456 ...

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