YOKOGAWA 735201 User Manual
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YOKOGAWA 735201 User Manual

YOKOGAWA 735201 User Manual

Optical power meter
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User's
Manual
Model 735201
TB200
OPTICAL POWER METER
IM 735201-01E
3rd Edition

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Summary of Contents for YOKOGAWA 735201

  • Page 1 User’s Model 735201 Manual TB200 OPTICAL POWER METER IM 735201-01E 3rd Edition...
  • Page 2 Every effort has been made in the preparation of this manual to ensure the accuracy of its contents. However, should you have any questions or find any errors, please contact your nearest YOKOGAWA dealer as listed on the back cover of this manual.

  • Page 3: Terms And Conditions Of The Software License

    Yokogawa the rights. In no event shall the Licensee be transferred, leased, sublicensed, or assigned any rights relating to the Licensed Software. 2.6 Yokogawa may use or add copy protection in or onto the Licensed Software. In no event shall the Licensee remove or attempt to remove such copy protection.
  • Page 4 Licensed Software, the Licensee shall notify Yokogawa in writing to that effect without delay. 5.2 In the case of the preceding Paragraph 5.1, the Licensee shall assign to Yokogawa all of the rights to defend the Licensee and to negotiate with the claiming party.
  • Page 5 Yokogawa’s prior written consent. 6.2 All causes of action against Yokogawa arising out of or relating to this Agreement or the performance or breach hereof shall expire unless Yokogawa is notified of the claim within one (1) year of its occurrence.

  • Page 6: Checking The Contents Of The Package

    After opening the package, check the following items before beginning use. If any of the contents are incorrect, missing, or appear to be abnormal, please contact your Yokogawa dealer or representative. TB200 Main Unit Check that the model and suffix code on the name plate on the rear of the instrument match those of your order.
  • Page 7 （TB200 Utility） (on sensor head) Options (Sold Separately) The following options are available for purchase separately. Name Model Notes Model when ordering only the Sensor head 735221 sensor head Protector SU2002A Protector with stand Soft carrying case SU2006A IM 735201-01E...

  • Page 8: Safety Precautions

    To ensure safe and correct operation of the instrument, you must take the safety precautions given below. The instrument’s protective functions may not work if used in a manner not described in this manual. Yokogawa bears no responsibility for, nor implies any warranty against damages occurring as a result of failure to take these precautions.
  • Page 9 Never use the instrument in locations with flammable or explosive gases or vapors. Doing so is extremely dangerous. Do Not Remove the Case Only qualified Yokogawa technicians may remove the case. Handle the Item under Test Properly The instrument measures devices that emit lasers. To prevent exposure to radiation from lasers, operate the item under test strictly according to the device’s user’s manual.
  • Page 10 Do not remove the case. The instrument's internal components carry high voltages and are extremely dangerous. For internal inspection or adjustment, contact your nearest YOKOGAWA dealer. If there are any symptoms of trouble such as strange smells or smoke coming from the instrument, turn the power OFF immediately, and remove the battery pack or the power cord from the outlet.
  • Page 11 CAUTION ● Read this section before using the instrument for the first time. ● If this instrument is used in a manner not specified in this manual, the protective features provided by the instrument may be impaired. IM 735201-01E...

  • Page 12: Safety Markings

    Bold characters and symbols used in the Procedure sections indicate the text and symbols on the keys of the instrument. Items set in boldface mainly refer to controls on the instrument and other devices, or on-screen interface elements such as menu commands with which the user interacts. IM 735201-01E...

  • Page 13: Table Of Contents

    Diagram of Relationship between Modes .......3-6 Absolute Value Measurement..........3-7 3.3.1 Measuring Optical Power..........3-7 3.3.2 Changing Units ..............3-7 3.3.3 Fixing the Measuring Range (Range Hold).....3-8 3.3.4 Displaying Maximum Values (MAX Hold)......3-9 3.3.5 Measuring after Setting the CAL Value......3-10 Relative Value Measurement..........3-12 IM 735201-01E...
  • Page 14 Displaying the Sensor Head Serial Number......5-3 Chapter 6 Maintenance Error Messages...............6-1 Troubleshooting ..............6-3 Periodic Calibration..............6-4 Chapter 7 Specifications Specifications ................7-1 External Dimensions...............7-5 Appendix Appendix 1 Table of NA Correction Coefficients......App-1 Appendix 2 Table of 7-Segment Display Characters ....App-4 IM 735201-01E xiii...

  • Page 15: Chapter 1 Explanation Of Functions

    Displays measured results and various settings. => See p.1-4 and p.1-5 Keys Nine keys for operating the instrument. => See p.1-2 and p.1-3 AC Adapter Terminal USB Terminal Keys For connecting the AC For connecting the USB adapter. cable. IM 735201-01E...
  • Page 16 UP and DOWN keys, then press the ENTER key to enter the selection. RANGE Range hold key Press this key to fix the measuring range. Press it again to release the range. Press the UP and DOWN keys to change the range. IM 735201-01E...
  • Page 17 Selection keys (UP/DOWN) Use these keys to turn items ON and OFF, and to enter values. Press once to change the selection UP or DOWN. Hold down to quickly scroll UP or DOWN through the selections. (Related keys: SETUP, ENTER) IM 735201-01E...
  • Page 18 The “HOLD” indicator is displayed when range switching is held. USB communication The “USB” indicator is displayed when in USB mode. MAX hold The mark above is displayed when the MAX hold function is set. Wavelength setting “405 nm” Displays the set wavelength (nm). IM 735201-01E...
  • Page 19 Setting value display “8.8.8.8” The reference value is displayed when in relative value measurement mode. Also displays setting values and selection messages. Setup mode display “8 8 8 8.8.8.8” Displays NA correction ON/OFF and the sensor serial number. IM 735201-01E...

  • Page 20: List Of Functions

    S/N display instrument. User calibration Adds setting values displayed in normal measurement mode and displays them. The available setting range is -10 dB to +10 Backlight Turning the backlight ON allows you to see the display in the dark. IM 735201-01E...
  • Page 21 ● Measurement wavelength ● NA correction value ON/OFF ● Last set detail wavelength ● Last set NA correction value ● Displayed units ● CAL setting ON/OFF ● Averaging ON/OFF ● Last set CAL value ● Turning MAX Hold ON/OFF IM 735201-01E...
  • Page 22 Since with auto-switching the measuring range changes from approximately 0.1 V to approximately 2 V, the output values are non-continuous. Input power (dBm) Analog out when using automatic ranging Input power (dBm) Analog out when using fixed measuring range (-20 dB) IM 735201-01E...

  • Page 23: Chapter 2 Preparing For Measurement

    Damage can result. 16) The sensor head contains optical components that are easily scratched. Take care not to scratch or crack any part of the sensor head. 17) Only turn ON the power if the sensor head is attached. IM 735201-01E...
  • Page 24 CD player as the high volume may damage your hearing or audio speakers. Precautions When Discarding the Instrument Treat the instrument as general industrial waste, separate from household waste, and dispose of the instrument according to relevant local laws. IM 735201-01E...

  • Page 25: Connection Procedure

    If the low battery indicator blinks, you must change the batteries Lock Unlock immediately. The instrument runs for approximately twenty-four hours when using alkaline AA batteries Figure. 2-2 Installing the batteries (performance may vary depending on the operating conditions). IM 735201-01E...
  • Page 26 Figure 2-3 Sensor head connection diagram CAUTION ● To remove the sensor head, hold and pull by the connector ● Do not pull by the cable itself as it can break. IM 735201-01E...

  • Page 27: Turning The Power Supply On And Off

    OFF, then hold down the POWER/ESC key until the “PWR SAVE” display goes out. This instrument features a zero adjust function (zero point adjustment) ・ that automatically removes the offset within the circuits. Thus, no zero adjustment by the user is necessary IM 735201-01E...
  • Page 28 Turning the Power OFF Hold down the power key until the LCD display goes out. Attach the sensor head protective cap. When using the AC adapter, turn the instrument OFF with the power key before disconnecting the adapter. IM 735201-01E...

  • Page 29: Chapter 3 Measurement

    The initial screen in normal measurement mode. Same screen as when first starting up. Confirm that the screen shows the initial settings, then begin the procedure for entering measurement conditions. Figure 3-1 Example of the initial screen in normal measurement mode. IM 735201-01E...

  • Page 30: Setting The Wavelength

    Figure 3-3 Detail wavelength setting screen Press the UP or DOWN key. Change the wavelength in units of 1 nm. The available setting range is 400 to 850 nm. Press the ENTER key. The detail wavelength settings are finalized. IM 735201-01E...

  • Page 31: Setting The Na (Numerical Aperture) Correction Coefficient

    Press the UP or DOWN key to change the value. Determine the value from the NA correction coefficient table (see appendix 1). Press the ENTER key. The sensor serial number reference screen appears (see Figure 5-1). The NA correction coefficient setting is finalized. IM 735201-01E...
  • Page 32 1 according to the conditions matching the light source. Stands for numerical aperture, and is a number that determines the light-condensing characteristics of a lens. The larger the NA, the more the beam is concentrated, allowing higher-density recording. IM 735201-01E...

  • Page 33: Entering Averaging Settings

    Averaging is performed on the instrument using a serial addition ・ averaging method. ・ The specified number of data from the measured values are averaged and the result is displayed. After measurement begins, it is possible that fewer than the specified number of data are measured. IM 735201-01E...

  • Page 34: Modes

    Press the ENTER or SETUP key SETUP key four times in a row λ key Turn power ON and connect cables Normal Wavelength USB mode measurement measurement mode mode Turn power OFF, ENTER key disconnect cables ENTER＋SETUP key ENTER key CAL mode IM 735201-01E...

  • Page 35: Absolute Value Measurement

    (fixed) Figure 3-10 Display example of unit settings Note If the units are dB, differential measurement (relative value ・ measurement mode) is indicated. Press the dBm/W key to switch to optical power measurement ・ (absolute value measurement mode). IM 735201-01E...

  • Page 36: Fixing The Measuring Range (Range Hold)

    If the upper limit of the range is exceeded, “▲” is displayed. If the lower limit is not exceeded “▼” is displayed. Press the RANGE key again to return to AUTO mode. ・ IM 735201-01E...

  • Page 37: Displaying Maximum Values (Max Hold)

    The MAX hold and REF functions cannot be used at the same time on ・ the instrument. If you turn ON the REF function while the MAX hold function is enabled, ・ MAX hold is cancelled and the REF function is enabled. IM 735201-01E...

  • Page 38: Measuring After Setting The Cal Value

    “OFF”, “Prev Val”, “Usr”, “OFF”. Pressing the DOWN key cycles in the reverse order. After selecting a CAL value (previous value), press the ENTER key. The typical CAL setting is finalized. Figure 3-15 Example of the CAL value setting screen 3-10 IM 735201-01E...
  • Page 39 Example of the CAL value detail setting screen Press the ENTER key. The instrument returns to normal measurement mode. The CAL detail setting is finalized. Figure 3-17 Example of the normal measurement mode screen when the CAL setting is enabled IM 735201-01E 3-11...

  • Page 40: Relative Value Measurement

    To return to absolute value measurement, press the dBm/W key. ・ Each time you press the dBm/W key while holding down the ENTER ・ key, the reference value is updated. Only measured values can be set as the reference value. Arbitrary ・ values cannot be specified. 3-12 IM 735201-01E...

  • Page 41: Chapter 4 Measuring Using Usb (Remote Control)

    Receive delimiter (PC -> TB200) CR+LF or LF only CAUTION During USB communications, do not turn the power to the PC and TB200 OFF. The driver and DLL are not guaranteed to be compatible with all PCs, hubs, and other hardware. IM 735201-01E...

  • Page 42: Installing Usb Drivers

    Turn the instrument ON, then connect the instrument to the PC using a USB cable (insert the cable connector completely and firmly into the receptacle). The Found New Hardware Wizard is displayed. Click Next Select Search for a suitable driver for my device. Click Next. IM 735201-01E...
  • Page 43 4.2 Installing USB Drivers Select CD-ROM drives. Click Next. Click Next. Click Finish. The installation is complete IM 735201-01E...

  • Page 44: List Of Commands

    The units are fixed at nm. wavelength ERR#: See error list. :SENS:CORR Turns NA ON: Enabled OK: Setting complete correction :NA:STAT<ws correction OFF: Disabled ERR#: See error list. function p> ON|OFF function ON and enable/ disable setting IM 735201-01E...
  • Page 45 2: mW fixed display Check units :SENS:POW: Returns the unit None 0: dBm of measure- UNIT? setting status of 1: mW/µW/nW auto ment measured switching values. 2: mW fixed display ERR#: See error list. IM 735201-01E...
  • Page 46 Sets up ON: Averaging OK: Setting complete averaging AVG<wsp> averaging. ERR#: See error list. ON|OFF OFF: Normal measurement Check :SENS:POW: Returns None ON: Averaging ON averaging AVG? the averaging OFF: Normal setting setting status. measurement ERR#: See error list. IM 735201-01E...
  • Page 47 Note The command system conforms with SCPI. However only short (and ・ not long) form is supported. Since spaces are used as separators, unneeded spaces inserted into ・ commands result in syntax errors. Commands are case insensitive. IM 735201-01E...
  • Page 48 Cause ERR1 Command syntax Command not correct. error ERR2 Command Parameters out of range. execution error Appears when in a mode that precludes execution of the command ERR3 System abnormality Memory damaged, or other error hardware related trouble. IM 735201-01E...

  • Page 49: Sample Program

    Copy the TB200.dll and VCSample.exe files from the VCSample folder on the TB200 Utility CD to the same folder on the PC you are using. Double-click VCSample.exe. The file opens. Click Open. “Open success” is displayed. Click OK (in the popup screen). IM 735201-01E...
  • Page 50 Command (in the operation example, the set NA value is displayed). Click Close to exit. “Close success” is displayed. Click OK (in the popup screen). To c lose the sample program, click OK. 4-10 IM 735201-01E...
  • Page 51 TB200 Utility CD to the same folder on the PC you are using. Double-click VBSample.exe. The file opens. Click Open. “Open success” is displayed. Click OK in the popup screen. Enter measurement conditions. After inputting the send command, click Command (in the operation example, the wavelength is set). IM 735201-01E 4-11...
  • Page 52 Command (in the operation example, the current measured value is displayed). Click Close to exit. “Close success” is displayed. Click OK in the popup screen. To close the sample program, click the Close button “ X ”. 4-12 IM 735201-01E...

  • Page 53: Chapter 5 Notes When Purchasing The Sensor Head By

    The instrument automatically enters USB mode, and USB is displayed (see section 2.3). Upload Procedure Place the TB200 Utility CD in the CD-ROM drive. Choose My Computer > CD-ROM > Utility. Double-click the TB200DataUpLoad.exe file in the Utility folder. The TB200DataUpLoad screen is displayed. IM 735201-01E...
  • Page 54 (use a safe procedure for removing the USB connection from the PC side). Note The uploaded correction data is unique to the sensor head. ・ When replacing it with a different sensor head, you must upload the ・ correction data for the new sensor head. IM 735201-01E...

  • Page 55: Displaying The Sensor Head Serial Number

    Press the SETUP key. The setup mode screen appears. Press the SETUP key three more times. The sensor head serial number is displayed. Sensor head S/N Last 6 digits Ex. (27D234567) Figure 5-1 Sensor head serial number reference screen IM 735201-01E...

  • Page 56: Chapter 6 Maintenance

    The high or low level error display appears for one second, then the unit returns to the previous measurement mode. Figure 6-3 High level error Exceeded the upper limit: high level error Fell below the lower limit: low level error. Figure 6-4 Low level error IM 735201-01E...
  • Page 57 Note that if you selected the combined calibration option at the time of purchase (suffix code -CA0), the sensor specific data (calibration data) has already been loaded into the Figure 6-6 CAL value TB200 Optical Powermeter. setting error IM 735201-01E...

  • Page 58: Troubleshooting

    If the connection is not sound, measurements will be inaccurate. Cannot transfer data via USB. 1) Did you install the USB driver on the PC? -> Use the accessory TB200 UTILITY CD. 2) Is the USB cable properly connected? 3) Are you using the dedicated AC adapter? IM 735201-01E...

  • Page 59: Periodic Calibration

    Additionally, the sensitivity of the sensor may be reduced by a few percent due to any reductions in the transmissivity. For precise measurements, it is recommended to calibrate the instrument periodically (every six months). IM 735201-01E...

  • Page 60: Chapter 7 Specifications

    USB (B connector) Model: 735221 (Model name of sensor head becomes Sensor head 735201 when -CA1 or -CA3 integrated calibration is selected. However, its performance is the same.) AC adapter (rated input voltage: 100 to 240 V, 50/60 Hz, Power supply 0.24 to 0.13 A) 7 VA AA alkali dry cell (operation time:...

  • Page 61: Specifications

    “Remarks” column of the Model and Suffix Code table. Note 3) Compensation values for this sensor head are provided in the TB200 Utility CD. These performance values are for when this data is uploaded to the TB200 Optical Power Meter for use. IM 735201-01E...
  • Page 62 (suffix code -CA1 or -CA3). The sensor head calibration data is written to the TB200 Optical Powermeter (735201), and the model of the sensor head becomes that of the main unit (735201).
  • Page 63 7.1 Specifications Accessories Accessory Description TB200 Utility CD USB driver for Windows 2000/XP Calibration data Calibration data upload tool IM 735201-01E...

  • Page 64: External Dimensions

    7.2 External Dimensions UM connector Units: mm Figure 7-1 TB200 Optical Powermeter’s external dimensions IM 735201-01E...
  • Page 65 7.2 External Dimensions Fig. 5-2 Sensor head external dimensions Units: mm Figure 7-2 Sensor head’s external dimensions IM 735201-01E...

  • Page 66: Appendix

    This section includes seven different NA correction coefficient tables based on wavelength and NA. Contact your nearest Yokogawa representative if none of the correction tables below match your conditions. The horizontal axis is S polarization (perpendicular to the plane of polarization) and the vertical axis is P polarization (parallel to the plane of polarization).
  • Page 67 1.162 1.161 1.160 1.159 1.158 1.157 1.156 1.156 1.155 1.154 1.154 1.153 1.153 1.152 1.164 1.163 1.162 1.161 1.160 1.159 1.159 1.158 1.157 1.157 1.156 1.155 1.155 1.154 1.166 1.165 1.164 1.163 1.162 1.161 1.161 1.160 1.159 1.159 1.158 1.157 1.157 1.156 App-2 IM 735201-01E...
  • Page 68 1.020 1.019 1.018 1.017 1.017 1.016 1.015 1.015 1.014 1.013 1.013 1.012 1.012 1.011 1.021 1.020 1.019 1.018 1.017 1.016 1.016 1.015 1.015 1.014 1.013 1.013 1.012 1.012 1.021 1.020 1.019 1.019 1.018 1.017 1.016 1.016 1.015 1.015 1.014 1.014 1.013 1.013 IM 735201-01E App-3...

  • Page 69: Appendix 2 Table Of 7-Segment Display Characters

    ０ １ ２ ３ ４ ５ ６ ７ ８ ９ ／ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ App-4 IM 735201-01E...

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