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Model N-STP Operation Manual

6.0. Operating Specifications

Table 1-1. Operating Specifications for Model N-STP Series

Power Supply Model Dependent

Electrical

Parameter

Minimum

Typical

Maximum

Units

Model N-STP-910 or N-STP-912

Laser Head (with AC power supply)

Input Voltage*

104 or 207

126 or 264

VAC

Input Current*

0.48

Frequency

Model N-STP-910

Laser Head (DC Input)

Input Voltage

1220

VDC

Input Current

4.0

Model N-STP-912 Laser Head (DC input)

Input Voltage

1600

VDC

Input Current

4.0

SFA (With AC/DC Converter)

Input Voltage

264

VAC

Input Current

0.2/0.1

Frequency

Model N-STP-910/N-STP-912 System EMI (AC lines)

Conducted EMI 1-5 MHz

-50

-35

dbm

Mechanical

Model N-STP-910/ N-STP-912 Single Frequency Laser System

Temperature

Operating



Non-operating

-20



Humidity

Operating

Non-operating

Shock

Impulse (IEC68.2.27)

30x11

gxmsec

Vibration (IEC68.2.6)

Warm-up

minutes

Содержание N-STP-910

Страница 1: ...rt com contact us ______________________________________________________________________________________ 1 949 863 3144 Newport Corporation www newport com Stabilized Single Frequency Laser Operating Manual Models N STP 910 N STP 912 L10698 2 REV 1 21 7 NPT ...

Страница 2: ...connection with the furnishing or use of this information This document may not be photocopied duplicated or reproduced by any means without the prior written consent of Newport Corporation Comments or suggestions regarding this manual are appreciated and should be sent to the following address Newport Corporation 1791 Deere Avenue Irvine California 92606 USA Attention Customer Service Phone 949 8...

Страница 3: ...nstructions 7 4 1 Assembly and Switching On 7 4 2 Explanation of Controls and Indicators 8 4 2 1 AC DC Converter 8 4 2 2 Laser Power Supply Remote Connector 9 4 2 3 Stable Green Indicator 10 4 2 4 Over Temperature Red Indicator 10 4 2 5 Output Adjust 11 4 2 6 Principle of Operation 11 4 2 7 Output Adjust and Operations Check 13 5 0 Preventive Maintenance 13 6 0 Operating Specifications 14 6 1 Lase...

Страница 4: ...the United States Food and Drug Administration and Class 2 and 3R devices as defined by IEC 60825 1 The Caution icon represented by a triangle with laser burst identifies precautions needed to avoid eye injury to anyone in the area The IMPORTANT icon represented by a triangle with an exclamation point indicates information that is particularly important to the optimum performance of the laser syst...

Страница 5: ...rcraft or vehicles at any distance Never look directly into the beam of the laser system One of two labels a caution label or a danger label is attached to the standard laser head to warn operators of the potential hazards These labels are illustrated in Figure 1 1 Figure 1 1 Standard Caution and Shipping Labels 3 LASER LIGHT DO NOT STARE INTO BEAM CLASS II LASER PRODUCT CDRH CLASS 2 LASER PRODUCT...

Страница 6: ...s are recorded for each individual unit and reported per CDRH regulations under the Accession number 9320815 Detailed information on these requirements may be obtained at www fda gov radiation emitting products 2 2 Power Source and Grounding The N STP series laser system includes either the N STP 910 or N STP 912 laser head attached to the single frequency adapter SFA They are supplied with the ap...

Страница 7: ...1 65 EU Annex III are exempted from the Restriction in Article 4 1 per 7 c I Electrical and electronic components containing lead in a glass or ceramic other than dielectric ceramic in capacitors Mercury Hg There is no intentional use Cadmium Cd There is no intentional use Hexavalent Chromium Cr 6 There is no intentional use Polybrominated Biphenyls PBB There is no intentional use Polybrominated d...

Страница 8: ... conductor via the three prong plug The plug must be inserted into an outlet containing a protective earth contact Any interruption of the earth ground may result in high voltage being present on the laser housing 3 3 Operating environment The N STP frequency stabilized laser system may be safely operated in any orientation However operation should be discontinued if condensation forms on any part...

Страница 9: ...operate the system in the numerical order as shown in Figure 1 3 Connect the main line voltage in accordance with Section 3 2 Confirm that the line voltage switch on the laser power supply 1 is set for your AC voltage An improper setting can destroy the laser power supply and or damage the laser Find and observe the output beam with a white card or piece of paper The beam intensity should noticeab...

Страница 10: ...tors 4 2 1 AC DC Converter The AC DC Converter is supplied with an AC cord with proper grounding along with an ON OFF switch and a visual indicator light indicating that 15 VDC is available at the male output plug of the converter The AC DC converter can accommodate voltages from 90 to 265 VAC at 50 to 60 Hz 8 ...

Страница 11: ...itched on I As supplied the polarized remote connector plug is wired with an internal jumper If the connector is to be used with a remote external switch modify the plug as follows 1 Switch off power and disconnect power supply from main power 2 Remove remote connector plug from socket on power supply rear panel by pulling straight out 3 Press out silver colored locking pin Do not discard pin 4 Re...

Страница 12: ...flecting the beam back into the system Long term optical feedback i e back reflections into the laser resulting in the inability of the SFA to maintain closed loop operation can result in laser and or SFA failure 4 2 4 OT Red Indicator The same LED which energizes green indicating that the unit has reached stable operation may energize red when the following conditions prevail Power to laser head ...

Страница 13: ...is torque protected associated with a clicking sound so that further rotation will result in no power change 4 2 6 Principle of Operation The N STP single frequency laser system works on the principle that a Doppler Broadened TEM00 output mode can be varied in power and frequency if the cavity length distance between laser mirrors can be controlled In most single frequency lasers heat conduction i...

Страница 14: ...dem arrangement allows for very high polarization extinction typically greater than 1000 1 A high quality PIN detector is used to convert the sampled p component into an electrical current which is amplified by A1 A2 is a simple gain compensated error amplifier which provides the necessary error signal to the modulator The modulator in turn drives an RF amplifier which couples up to 10 watts of po...

Страница 15: ...ment and calibration in Section 8 0 5 0 Preventative Maintenance The laser head and adapter should never be stored or operated in an environment having a high concentration of airborne particulates Exposure to this condition may cause interference with the feedback to the PIN detector that can ultimately cause performance degradation or failure Periodic inspection of the SFA output optical surface...

Страница 16: ...r Head DC Input Input Voltage 1220 VDC Input Current 4 0 mA Model N STP 912 Laser Head DC input Input Voltage 1600 VDC Input Current 4 0 mA SFA With AC DC Converter Input Voltage 90 264 VAC Input Current 0 2 0 1 A Frequency 50 60 Hz Model N STP 910 N STP 912 System EMI AC lines Conducted EMI 1 5 MHz 50 35 dbm Mechanical Model N STP 910 N STP 912 Single Frequency Laser System Temperature Operating ...

Страница 17: ...rgence Full Angle 1 70 mrad Spatial Mode TEM00 100 Optical Noise 0 10 RMS Polarization 1000 1 5000 1 Model N STP 912 Single Frequency Laser System Output Range Power 633 nm Typical 0 60 1 40 mW Frequency v vo 1 50 600 MHz Beam Diameter 1 e2 0 54 mm Beam Divergence Full Angle 1 50 mrad Spatial Mode TEM00 100 Optical Noise 0 10 RMS Polarization 1000 1 5000 1 Power Stability 1 Hour 0 1 8 Hour 0 1 1 m...

Страница 18: ... A Inch mm DIM B Inch mm DIM C Inch mm N STP 910 10 20 259 1 6 96 176 8 72 00 1828 8 N STP 912 11 89 302 0 8 65 219 7 72 00 1828 8 LOCK RING DIM A Stable OT ADAPTER PLANE OF POLARIZATION P O LA RI ZA TI O N PL A N E POTENTIOMETER Output Adjust 1 70 BOTTOM VIEW LEFT VIEW RIGHT VIEW TOP VIEW AC DC CONVERTER 100 VAC 115 VAC 230 VAC 240 VAC OR DIM C 100 VAC 115 VAC 230 VAC 240 VAC POWER SUPPLY LAB OR ...

Страница 19: ...n of the available doppler gain profile Figure 1 7 shows actual output power versus optical frequency curves as measured for the N STP 910 and N STP 912 Figure 1 7 Output Power versus Optical Frequency Curves for the N STP 910 and N STP 912 The differences in the shape is due to the very short cavity of the N STP 910 resulting in a narrower adjustment range of optical frequency 17 ...

Страница 20: ... a calibration curve similar to Figure 1 7 8 0 Frequency Calibration As explained in Section 7 0 the Model N STP 910 N STP 912 single frequency laser system may be tuned over a wide range of frequencies from center line Using calibration curves such as those shown in Figure 1 7 the output frequency can be calibrated to typically better than 10 accuracy of a given frequency on the Blue side of the ...

Страница 21: ...pply Check outlet line cord voltage setting interlock power switch Else will need service No power indication on SFA power supply Electrical outlet is not live loose or defective power cord defective SFA power supply Check outlet line cord and power switch Else will need service No laser output even after 15 seconds from power on not even a blue glow on white card placed in front of output apertur...

Страница 22: ...ongitudinal modes move through the neon gain curve and after the internal polarizer vary in intensity Laser power cycles between low or off or is unstable Status LED is green Back reflections from the experimental setup interfering with laser operation Eliminate back reflections Green Status LED on Does not cycle to red Beam reflection from external optics back into the SFA Block the beam and moni...

Страница 23: ...cations The Manufacturer makes no warranty that the products are fit for the use or purpose to which they may be put by the buyer whether or not such use or purpose has been disclosed to the Manufacturer in specifications or drawings previously or subsequently provided or whether or not the products are specifically designed and or manufactured for buyer s use or purpose The Manufacturer s liabili...

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