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8230E Optical Power Meter Operation Manual

5. TECHNICAL NOTES

5-1

5.

TECHNICAL NOTES

5.1

Principle of Measurement

Figure 5-1 shows a block diagram of this instrument.

When light falls on the photodiode in the sensor, the photo-electric current, which is generated, is converted
into voltage through the IV converter, amplified, and then digitized through the AD converter as measure-
ment data.

For the 823x series sensors, sensitivity data (power calibration data and wavelength sensitivity data) stored
in each sensor is read by the CPU and used to perform the correction calculation to the measurement data,
and then the result is displayed.

If the option is specified, the 821x series sensors can be connected.

For the 821x series sensors, the power calibration at the calibration wavelength is performed by using the
power adjustment VR contained in each power sensor. Then wavelength sensitivity data (typical value)
stored in the power meter is read by the CPU and used to perform the correction calculation to the measure-
ment data, and finally the calculation result is displayed.

Analog data before the AD conversion is output to ANALOG OUT through a buffer.

Therefore, as described above, the operation for the 823x series sensors is different from the operation for
the 821x series sensors.

For the 823x series sensors, ZERO (offset cancel), power calibration, wavelength sensitivity correction, and
CF (correction coefficient) calculation are not applied to the output from ANALOG OUT. A voltage of 2 V,
which corresponds to the full scale of the internal current range, is output by amplifying the input current.

For the 821x series sensors, ZERO (offset cancel), wavelength sensitivity correction, and CF (correction
coefficient) calculation are not applied to the output from ANALOG OUT. A voltage of 2 V, which corre-
sponds to the full scale of the optical power range at the calibration wavelength, is output.

The same data as a value that is displayed after the correction calculation can be output from the USB digital
interfaces.

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Содержание 8230E

Страница 1: ...MANUAL NUMBER C Printed in Japan ADC CORPORATION All rights reserved 8230E Optical Power Meter Operation Manual FOE 8440174F01 First printing March 30 2007 2007 Cover...

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Страница 3: ...hazardous situation which will result in personal injury or a damage to property including the product Basic Precautions Please observe the following precautions to prevent fire burn electric shock a...

Страница 4: ...ing to a restriction on operation Safety Marks on the Product The following safety marks can be found on ADC products ATTENTION Refer to manual Protective ground earth terminal DANGER High voltage CAU...

Страница 5: ...f important data The data stored in the disk may become damaged if the product is mishandled The hard disc has a limited life span which depends on the operational conditions Note that there is no gua...

Страница 6: ...degree is defined by IEC61010 1 and described below Impulse withstand voltage over voltage category II defined by IEC60364 4 443 Pollution Degree 2 Vibration Direct sunlight Corrosive gas Dust Front...

Страница 7: ...Canada 125 V at 7 A Black 2 m 6 ft Straight A01403 Option 95 Angled A01413 CEE Europe DEMKO Denmark NEMKO Norway VDE Germany KEMA The Netherlands CEBEC Belgium OVE Austria FIMKO Finland SEMKO Sweden...

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Страница 9: ...edure Backing up and Initializing the Setting Parameter The user can learn how to use this instru ment 4 REMOTE CONTROLLING VIA USB Describes how to control this instrument by remote Example programs...

Страница 10: ...Panel key In bold type Example ZERO RATIO dBr 3 Trademarks and Registered Trademarks Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation in the United States and ot...

Страница 11: ...cking Operations 1 10 1 11 Cleaning 1 11 1 11 1 Cleaning the 8230E 1 11 1 11 2 Cleaning the Incident Surface of the Sensor 1 11 1 12 How to Store and Transport the Instrument 1 11 1 12 1 Storage 1 11...

Страница 12: ...Command 4 13 4 6 1 How to Set the Remote Command 4 13 4 6 1 1 Remote Command Format 4 13 4 6 1 2 Linking a Header to an Argument 4 13 4 6 1 3 Command Separator 4 14 4 6 1 4 Command Terminator 4 14 4...

Страница 13: ...8 8 SPECIFICATIONS 8 1 8 1 8230E Specifications 8 1 8 1 1 Instrument Specifications 8 1 8 1 2 General Specifications 8 3 8 1 3 Standard Accessories 8 3 8 1 4 Option 8 3 8 2 Optical Sensor Specificati...

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Страница 15: ...eset Wavelength 3 8 4 1 Status Register Structure 4 8 4 2 Measurement Image 4 22 4 3 Measurement Image 4 24 5 1 Block Diagram 5 2 5 2 Wavelength Sensitivity Characteristics and Power Calibration of th...

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Страница 17: ...ror Register 4 12 4 5 Remote Control Commands 4 15 5 1 Relationship between the Current Range and the Output Voltage at Analog Output 5 4 6 1 Cable and Adapters Required for Performance Test 6 1 6 2 I...

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Страница 19: ...option 70 However this function is applied to software revision C00 or later The 8230E includes two types of power supply system an AC power supply and a battery so that the mea surements can be perf...

Страница 20: ...n Table 1 2 Quote the model name when ordering Table 1 2 Cable Optional Accessories Accessory name Model name Quantity Remarks 1 m USB cable A112010 1 USB A male mini B male 1 m Analog output cable A0...

Страница 21: ...3B thin type optical sensor is available for measurement in optical disk equipment or narrow spaces The 82313B is ideal for measuring optical disk equipment in which a high power laser diode LD is use...

Страница 22: ...wer meter is used as wavelength sensitivity correction data This product has been discontinued For more information refer to section 8 2 Optical Sensor Specifications For more information on the outli...

Страница 23: ...8230E Optical Power Meter Operation Manual 1 4 Connectable Sensors 1 5 Figure 1 1 Connection Diagram for Sensors 8230E OPTICAL POWER METER 82311B OPTICAL SENSOR 82313B OPTICAL SENSOR...

Страница 24: ...e Please visit our website and download and install the applicable firmware NOTE If the software revision of the optical power meter 8230E is not applied Err 2 or Err 3 is displayed Table 1 4 List of...

Страница 25: ...by using the typical value NOTE The additional calibration wavelength option 21 22 23 cannot be used in the 8230E Even if the additional calibration wavelength option is set in the sensor the setting...

Страница 26: ...such as instrument damage or a decrease in the accuracy of the instrument may occur because of improper voltage polarity or output conditions 1 8 2 Battery When using the fresh alkaline dry battery t...

Страница 27: ...or if connected 2 Turn the two knobs on the battery cover to the OPEN position 3 Remove the battery cover and replace the batteries Place the batteries in their correct position as shown in the batter...

Страница 28: ...ght that exceeds the maximum intensity of incident light Measurements results may be inaccurate or sensor may be dam aged by excessive energy Do not radiate or focus strong laser light on the sensor b...

Страница 29: ...face coating may be damaged 1 12 How to Store and Transport the Instrument 1 12 1 Storage If the sensor will not be used for a long period of time to prevent sensor damage such as mechanical and chemi...

Страница 30: ...ORPORATION site For more information on calibrating the 8230E and sensors contact an ADC CORPORATION sales repre sentative Perform calibration periodically to maintain accuracy 1 15 Replacing Parts wi...

Страница 31: ...d to protect the global environment Components which must be separately collected are shown in the following table The treatment of this product should comply with the relevant laws of your country an...

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Страница 33: ...CTION DESCRIPTION 2 1 2 PANEL AND FUNCTION DESCRIPTION 2 1 Front Side 2 1 1 Function Description Figure 2 1 Front View 1 Display Displays the measurement value and other information 2 POWER Turns on o...

Страница 34: ...ent The measurement is re started by pressing HOLD again 7 AUTO MANUAL Switches the measurement range setting between AUTO and MANUAL When AUTO is set the measurement range is switched automat ically...

Страница 35: ...f the input wavelength is changed When setting the menu Selects the digit of the setting value in each menu item 11 MENU Sets to the MENU mode Refer to Section 3 1 Menu Map ENTER The MENU setting item...

Страница 36: ...Refer to Figure 2 5 17 ANALOG OUTPUT Outputs the voltage which is proportional to the optical power The full scale value is changed by changing the measurement range because the voltage is output bef...

Страница 37: ...ndicates the auto range state Indicates the key lock state Battery indicator Indicates the measurement HOLD state Bar graph Indicates the approximate value in each full scale The same as the ANALOG ou...

Страница 38: ...8230E Optical Power Meter Operation Manual 2 2 Rear Side 2 6 2 2 Rear Side Figure 2 3 Rear View 18 Stand 19 Battery cover 20 Knobs 18 19 20...

Страница 39: ...eter Operation Manual 2 3 Upper Side 2 7 2 3 Upper Side Refer to 14 in 2 1 1 Function Description Figure 2 4 Top View 2 4 Bottom Side Refer to 15 16 and 17 in 2 1 1 Function Description Figure 2 5 Bot...

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Страница 41: ...wavelength 6 Auto power off 7 Parameter save 8 Parameter load 9 Wavelength Preset 3 Blinking cursor Blinking cursor Blinking cursor Blinking cursor Blinking cursor Blinking cursor 2 CF 10 CAL 11 MYID...

Страница 42: ...plied to software revision C00 or later 5 Number of display digits Sets the display digits of the measured value to 3 to 4 If the display digit is set to 3 an under bar is displayed in place of each u...

Страница 43: ...wavelength which is used 3 3 3 Zero Cancel Cancel the offset by covering the sensor with the sensor cap or shading the sensor completely and pressing the ZERO key for approximately 2 seconds 3 3 4 Set...

Страница 44: ...ter backup is shown in Figure 3 1 Table 3 1 Initial Values of the Parameters and Backup Parameter Value when shipping Initial value Backup Saving or loading the USER parameters dBm W dBm Range AUTO Ra...

Страница 45: ...nd PREV NEXT to select Parameter load Select DFLT by using the UP DOWN key Press the ENTER key DONE is displayed the menu exits and the parameters excluding MYID are initialized By following the above...

Страница 46: ...1 is set to 405 nm is shown below See Figure 3 2 Key operation Display 1 MENU S CNT 010 The first item of the menu is displayed 2 PREV 3 times P SET The current setting of the No 0 preset wavelength i...

Страница 47: ...8230E Optical Power Meter Operation Manual 3 5 1 Setting the Preset Wavelength 3 7 Figure 3 2 Setting the Preset Wavelength...

Страница 48: ...ngth of 780 nm in No 0 is called correctly 0780 1 000 The display is not changed because the same wavelength as the previous setting wavelength is called 3 HOLD 0408 1 SET This display indicates that...

Страница 49: ...pe female Connection cable A112010 of our product USB A male USB mini B male 1 m MYID MYID can be set to 1 to 127 Remote Local Function is available Input command ASCII strings command which sets func...

Страница 50: ...0 Displays the current setting 2 PREV MYID 001 Displays the current setting 3 MYID 003 Example of the display when MYID is set to 3 MYID can be set to 1 to 127 4 ENTER DONE Setting complete Press CANC...

Страница 51: ...and the response is changed to the new model name 6 When the response is set to the new model name the decimal point next to the last digit in the wavelength display is turned off Note1 Changing the...

Страница 52: ...s set to OFF by the H0 command String Description Priority Number of characters Main header W Measurement unit W 2 WR Measurement value after RATIO calcula tion DB Measurement unit dBm DR Measurement...

Страница 53: ...7 E 09 4 200 nW ddd dd E 09 2000 nW dddd d E 09 20 W dd ddd E 06 200 W ddd dd E 06 2000 W dddd d E 06 20 mW dd ddd E 03 200 mW ddd dd E 03 RATIO W 00d dd E 00 to 09 dBm dBr 2 000 counts or more when...

Страница 54: ...r 4 1 2 ddd dd 2 000 counts or more when W is displayed 7 ddd dd Between 500 and 1 999 counts when W is dis played 0ddd d Between 50 and 499 counts when W is displayed 00ddd Less than 50 counts when W...

Страница 55: ...er range or under range is set Refer to 4 6 Remote Command Block delimiter Setting command Number of characters Initial value CR LF DL0 2 LF DL1 1 Number of displayed digits Mantissa Exponent Number o...

Страница 56: ...gister is shown in Table 4 1 to Table 4 4 No SRQ sending function exists Figure 4 1 Status Register Structure Under range Over range End of calibration End of ZERO End of measurement Query data Output...

Страница 57: ...ister Table 4 1 Status Byte Register bit Name Description 0 Not used Fixed to 0 1 Not used Fixed to 0 2 Not used Fixed to 0 3 DSB Device Event Status ON Sets to 1 if one of the bit of the logical prod...

Страница 58: ...Of Zero ON Sets to 1 when ZERO is complete 2 EOC End Of Cal ON Sets to 1 when the calibration is complete XPC XIVC XWR OFF Sets to 0 when the calibration starts 3 OVR Over Range ON Sets to 1 when the...

Страница 59: ...ed Table 4 3 Standard Event Status Register bit Name Description 0 Not used Fixed to 0 1 Not used Fixed to 0 2 Not used Fixed to 0 3 DDE Device Dependent Error ON Sets to 1 when the error which depend...

Страница 60: ...ing self test errors occur ROM sum check error RAM read write error Calibration data sum check error Setting parameter sum check error 4 ON Sets to 1 if an error occurs at the AD conversion 5 ON Sets...

Страница 61: ...nt However the number of charac ters must be less than or equal 23 Query command Example M Inquiry of the trigger mode The device setting conditions are output by executing the data loading command wh...

Страница 62: ...1 4 Command Terminator Send a command without the terminators such as CR or LF at the end of the command strings 4 6 1 5 Executing Commands Because all commands are executed according to the program o...

Страница 63: ...mode column indicates commands which can be used when the calibration mode is set by sending the CAL1 command or using the key pad The Err2 column indicates commands which can be used when Err2 occur...

Страница 64: ...5 characters Calibration wave length reading WLCF Reads the calibration wavelength and the cali bration sensitivity correction coefficient Reply WLCFn wwww c ccc n Calibration wavelength point 1 char...

Страница 65: ...eply CFS0 to CFS1 CF value CF data data Setting range 0 001 to 999 999 1 000 CF Query reply CFdd dd Smoothing calculation SM0 OFF SM1 ON The smoothing calculation cannot be set to ON if the number of...

Страница 66: ...s the device event status enable register 0 to 65535 0 0 1 DSE Query reply ddddd ERR Reply to the error register query ddddd CLS Clears the status System Initialization C Resets the system to the cond...

Страница 67: ...rs in area 0 of the non volatile memory SA1 Saves the setting parameters in area 1 of the non volatile memory SA2 Saves the setting parameters in area 2 of the non volatile memory SA3 Saves the settin...

Страница 68: ...cution XIVC0 Acquires the reference data for the IV offset cancel calibration Execution time is approximately 3 seconds 6 XIVC1 Executes the IV offset cancel calibration Err Bit7 is set to 1 if the ca...

Страница 69: ...range 4 to 11 Reply XOFr ddddd 6 Saving the cali bration data XWR Writes the calibration data into the non volatile memory 6 Calibration data initialization XINI rng rng Range Setting range 0 4 to 11...

Страница 70: ...ENTER for the specified num ber of times after pressing START Figure 4 2 Measurement Image Program list Option Explicit All variables are clearly declared Private Const OK As Integer 0 Defines OK Dim...

Страница 71: ...DW1 M1 Sending the commands Initialization W display and Hold If ret OK Then If the command is sent incorrectly MsgBox transmission error vbExclamation GoTo err_exit End If For cnt 1 To mcnt Step 1 e...

Страница 72: ...sgBox USB end error vbExclamation End If End Sub Sub acquires the data Subroutine for the START button on the sheet enterF 1 Sets the flag of the ENTER input button to ON End Sub 4 7 2 Program Example...

Страница 73: ...st MYID opens 100 ms ret ausb_open OPM2 myID2 Opens the OPM of the second MYID and obtains the USB handle If ret OK Then If the device is opened incorrectly MsgBox MYID 2 OPEN error vbExclamation GoTo...

Страница 74: ...ived incorrectly MsgBox MYID 2 receiving error vbExclamation End If err_exit ret ausb_close OPM1 Closes the device If ret OK Then If the device is closed incorrectly MsgBox MYID 1 CLOSE error vbExclam...

Страница 75: ...e stored in the power meter is read by the CPU and used to perform the correction calculation to the measure ment data and finally the calculation result is displayed Analog data before the AD convers...

Страница 76: ...5 1 Block Diagram Photodiode bias circuit Non volatile memory Wavelength sensitivity data Power calibration data Power supply circuit 823x series sensor Sensor ID Option 70 Sensor ID Power calibration...

Страница 77: ...nt sensitivity This instrument ensures accuracy over a wide range of wavelengths by combining the power calibration at the calibration wavelength and the wavelength sensitivity correction over a wide...

Страница 78: ...ble 5 1 shows the relationship between the voltage output from ANALOG OUT and the full scale of the current range The full scale 2 V of ANALOG OUT is not equal to the display and the full scale of the...

Страница 79: ...ble and Adapters Required for Performance Test Cable and adapters Remarks TRIAX 12pin conversion adapter A A185002 For the 823x series sensor path TRIAX 12pin conversion adapter B For the 821x series...

Страница 80: ...to the sensor series 823x series or 821x series option 70 connected to this instrument Because the specifications are different for each sensor series path switch the path and perform the test The pat...

Страница 81: ...Ensure that the accuracy of ZERO is within the accuracy shown in Table 6 3 for the 821x series path 8 Connect the VIG to the input and apply the value shown in Table 6 3 from the VIG to the instrumen...

Страница 82: ...tion Manual 6 1 2 How to Test the Performance 6 4 NOTE If the measured current is not within the accuracy for this test perform the calibration according to Chapter 7 CALIBRATION or request ADC CORPOR...

Страница 83: ...as well as a measuring environment with little or no vibration at a tem perature of 23 C 5 C and a temperature change of 1 C are required Table 6 4 Equipment Required for Evaluating Optical Sensors Pr...

Страница 84: ...al Sensor Product Light source Wavelength Light source output Set value Judgment Criteria 82311B 82321B 780 nm 1 mW Must be 1 6 or less of the read value of the standard optical power meter 82313B 823...

Страница 85: ...Cancel ZERO of the standard optical power meter and the tested power meter 4 Refer to Figure 6 2 and connect the light source to the standard optical power meter by using the optical fiber 5 Record th...

Страница 86: ......

Страница 87: ...and instruments to calibrate the 8230E in each range Table 7 1 Cables Adapters and Others Required for Calibration Cable adapter and others Remarks TRIAX 12 pin conversion adapter A A185002 For the 8...

Страница 88: ...2 This instrument requires a warm up of 30 minutes or more Sufficient warm up time is also required for the measuring instrument before starting calibration The 6245 requires a warm up of one hour or...

Страница 89: ...bration 2 Connecting the instrument for the current measurement calibration Figure 7 2 Connection Diagram for the Current Measurement Calibration 8230E 8230E For zero calibration For full calibration...

Страница 90: ...described in Section 7 1 Measuring Instrument Cable and Other Instruments Required for Calibration and adjust the calibration point to within the range shown in the table below Table 7 3 Calibration...

Страница 91: ...fer to calibration items in Sec tion 4 6 2 Remote Control Command List There are two types of calibration The IV offset calibration and the current measurement calibration The IV offset calibration mu...

Страница 92: ...ration mode CAL1 Input open Calibration complete Calibration incomplete Calibration error Err 10 is displayed Calibration mode complete CAL0 Enters the calibration mode Zero calibration XIVC0 Connect...

Страница 93: ...ation in all ranges Zero Open the input to set the current value to zero Execute the zero calibration If an error occurs initialize the range and re execute calibration Full calibration in all ranges...

Страница 94: ...t calibration can be performed later 7 6 1 IV Offset Calibration 1 Refer to Figure 7 1 Connection Diagram for the IV Offset Calibration and con nect the instrument 2 Open the input and perform the zer...

Страница 95: ...2 Current Measurement Calibration and output the calibration point value 10 Input the VIG generation value the value that is determined by the national stan dard and perform the calibration Entering t...

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Страница 97: ...manual and remote Measurement speed Approx 5 times second Compatible optical sensor 823x series 82311B 82313B 82321B 82323B 82311 82313 82321 82323 821x series 82014A 82017A 82015 Q82018A 1 Wavelength...

Страница 98: ...ed Connector USB mini B female Auto power off The power turns off approximately 30 minutes after any key operation or remote operation is not performed Function can be set ON or OFF Battery check func...

Страница 99: ...4 Battery life 60 h with 1 mW or less power with back light OFF using the alkaline dry battery and at 23 C 5 C DC input 9 V 100 mA or less AC adapter AC100 V 240 V Power supply frequency 50 60 Hz Powe...

Страница 100: ...mm 9 5 mm Approx 8 5 mm Effective light receiving area 1 Approx 8 5 mm 8 5 mm Approx 6 mm Calibration wavelength 780 nm 650 nm Measuring accuracy when 1 mW is input 2 5 at calibration wavelength 3 5 2...

Страница 101: ...t 3 mm or more 0 1 mm or more Light receiving element Si photodiode Light receiving area Approx 8 5 mm Effective light receiving area 1 Approx 6 5 mm Approx 6 mm Calibration wavelength 780 nm 650 nm M...

Страница 102: ...ifi cation Multiple wavelengths can be specified The function of the additional calibration wavelength option does not operate in the 8230E This function operates at the calibration wavelength only in...

Страница 103: ...e the HOLD function by referring to 6 In Section 2 1 1 Function Description The MAX function is enabled Disable the MAX function by refer ring to 10 In Section 2 1 1 Function Description 3 OL is displ...

Страница 104: ...s re connected Until the sensor is connected 4 Err 4 ROM sum check error Unlimited No solution 5 Err 5 RAM read write check error Unlimited No solution 6 Err 6 The 8230E calibration data sum check err...

Страница 105: ...N 2 The difference between the VIG gener ation value which is input when the zero or full calibration is performed and the measurement value exceeds 50 of the full scale The measurement value exceeds...

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Страница 107: ...This drawing shows external dimensions of this instrument The difference in products and options used can cause a change in the appearance of the instrument 8230E DIMENSIONAL OUTLINE DRAWING DIMENSION...

Страница 108: ...hows external dimensions of this instrument The difference in products and options used can cause a change in the appearance of the instrument Distance to the light receiving element surface Distance...

Страница 109: ...oducts and options used can cause a change in the appearance of the instrument Distance to the cover glass surface Name Distance to the cover glass surface Distance to the light receiving element surf...

Страница 110: ......

Страница 111: ...Specifications 8 3 H How to Connect Instruments 6 2 How to Connect the Instrument 6 6 7 3 How to Initialize 3 5 HOW TO PERFORM MEASUREMENTS 3 1 How to Set the Remote Command 4 13 How to Store and Tran...

Страница 112: ...ications Sold Separately 8 4 Setting the MYID 4 2 Setting the Range 3 3 Setting the Wavelength 3 3 Setting up the USB port 4 1 SPECIFICATIONS 8 1 Standard Accessories 8 3 Standard Accessory 1 1 Status...

Страница 113: ...ill be a period of one year commencing on the delivery date of the Product 3 If the Product is found to be defective during the Warranty Period ADC CORPORATION will at its option and in its sole and a...

Страница 114: ...ANTICIPATED PROFITS OR REVENUES IN ANY AND ALL CIRCUMSTANCES EVEN IF ADC CORPORATION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND WHETHER ARISING OUT OF BREACH OF CONTRACT WARRANTY TORT INC...

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