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Sensor Head Designed for Use in Production Lines
When the Optical Power Meter is used in production lines, the sensor is sometimes attached to manufacturing equipment or jigs. The TB200 has been designed so that the thin optical sensor module can be easily detached from the sensor head.
Note:
Product quality is assured when the pptical power meter is shipped from the factory with its sensor mounted in its case.
If the user removes the sensor from its case for use, the quality warranty will be voided.
Full Remote Control Enabled on the USB Interface
The capability for fast and full remote control is required on automated production lines. All TB200 functions can be fully remote-controlled at high speed on its USB interface. Measurement results can also be sent to a PC over the USB interface.
Accessories
USB driver for Windows 2000, XP with Sample Soft Ware
API (Application Program Interface)
Calibration data
Calibration data upload tool
Protector (with stand)
SU2002A
Soft carrying case
SU2006A
Related Models
TA220 Digital Jitter Meter
Compatible with Blu-ray Disc standard
- Equalizer for Blu-ray Disc, PLL mounted
- Measurement of Data to Clock jitter and pulse width jitter
- Inhibit function, block sampling function
- Provided with Ethernet and GP-IB communications as standard
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- Supports all blue, red and near infrared wavelength bands
- Flat sensitivity characteristics in the 405 nm (blue),
660 nm (red) and 785 nm (near infrared) wavelength bands
- Sufficient margin provided by 18 mm dia. sized photoreceiving surface even at high NA (0.85)
- Influence of multiple reflection alleviated by low-reflectivity sensor surface
- High-power measurement up to 100 mW
- Measurement interval of about 100 msec
- Full remote control enabled by standard USB interface
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The TB200 Optical Power Meter has been optimally designed for the manufacture of next-generation optical disks, DVDs and CDs. The TB200 enables virtually error-free measurement even without the need to measure the wavelength of the laser diode used on optical disks.
The TB200 has a large 18 mm diameter sensor, you no longer need to check accuracy of the lens sensor of the optical system .where its numerical aperture (NA) is 0.85. |
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- Sensitivity Characteristics
Sensitivity characteristics easily applicable in wavelength bands used by optical disks
Conventional optical power meters, that use a silicon sensor, have sensitivity characteristics that are dependent on the wavelength in all measurement regions. For this reason, the light emission wavelength must be known beforehand to ensure accurate measurement. The TB200, however, has been designed so that its sensitivity characteristics are flat near the blue (405 nm), red (660 nm) and near infrared (785 nm) wavelength bands, which are used by various optical disks. As a result, the TB200 can measure with little error independently of light emission wavelength.
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- Stable Measurement
Stable measurement independent of distance from lens
As conventional optical power meters do not perform processing to prevent reflection on the sensor surface, multiple reflection occurs between the sensor surface of the optical power meter and the lens holder, for example, of the optical pickup that emits the laser. As a result, correct measurement is not possible at some distances from the lens. The TB200, however, performs anti-reflection processing to prevent the influence of multiple reflection
- Photo-receiving Sensor
Large 18 mm dia. photo-receiving sensor ideal for picking up high NA light
With high NA (numerical aperture) lenses, the sensor must be brought close to the laser emitter to ensure accurate measurement as these lenses have a large angle of incidence. As the maximum angle of incidence of lenses having 0.85 NA is about 60 degrees, the light receiving area is 10 mm in diameter at a distance of 3 mm from the focal point.
The light receiving diameter of the TB200’s sensor head is 18 mm (effective diameter: 14 mm or more). This means that stable measurement can be obtained using light emitted from high NA lenses even if the sensor is not accurately positioned.
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| TB200 Electrical Specifications |
| Display |
7-segment, 4-digit, w/ backlight |
| Display resolution |
0.01 dB (When W unit is selected, floating point 4 digits past decimal point) |
| Unit display |
Absolute value: dBm, mW, μW, nW Incremental value: dB |
| Wavelength setting range |
400 to 850 nm |
| Wavelength sensitivity compensation increment |
1 nm |
| Range selection |
AUTO/HOLD |
| NA compensation range |
0.500 to 2.000 (0.001 increments) |
| Optical power display range |
1 μW (-30 dBm) to 100 mW (+20 dBm) |
| Measurement interval |
Approx. 100 msec |
| Backlight |
Lights when backlight key is touched, and goes out when key is touched again |
| Analog output
Interface |
0 to 2 V connector: UM connector (made by Hirose Electric) |
| Interface |
USB (type B) |
| Sensor head |
Model: 735221 (Model name of sensor head becomes 735201 when -CA1 or
-CA3 integrated calibration is selected. However, its performance is the same.) |
| Power supply |
AC adapter
(rated input voltage: 100 to 240 V) 7 VA
AAA alkali dry cell
(operation time: approx. 24 hours) |
| Accessories |
User’s Manual, AC adapter |
| Environmental Conditions |
Operation-guaranteed
temperature/humidity
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Body: 5 to +40°C (ambient temperature), 20 to 80% (no condensation)
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| Storage temperature/humidity |
-20 to +60°C (ambient temperature), 20 to 80% (no condensation) |
| List of Functions |
| Optical power level
measurement function |
The optical power level received by the photo-receiving sensor is
displayed on the display. |
| Range setting function |
The mode can be switched to AUTO (range is automatically switched according
to the received light level) and HOLD (range is held at a specified range). |
| Auto zero set function |
Zero is automatically set when the power is turned ON. This frees the
user from the need to set zero. |
| Wavelength sensitivity
compensation function |
The wavelength sensitivity can be compensated within the range 400 to
850 nm (in 1 nm increments). Matching the wavelength to the wavelength of the
measured light source increases measurement accuracy. |
| Incremental value
measurement function |
Displays the incremental value from the reference value taking the
measured received light level as the reference value. (unit: dB) |
| Absolute value
measurement unit
selection function |
Display in dBm or W units can be switched. When the W unit is
selected,mW/μW/nW is automatically selected according to the optical
power and displayed. A fixed value in mW units also can be displayed. |
| Averaging function |
Measured values are displayed after being averaged internally. The averaging
count is fixed, and the average value is the result of 20 averaging operations. The
average result is obtained by the moving average at each measurement interval. |
| NA compensation function |
Error caused by the influence of the angled incidence characteristics of the sensor is
compensated for when high NA is measured. Compensation values must, however,
be selected and entered manually from the NA Compensation Tables (provided). |
| Backlight function |
Turning the backlight ON allows the user to view display details even in the dark. |
| Resume function |
The previous setting information is backed up. (only when the meter
was turned OFF normally) |
| Analog output function |
Analog voltages corresponding to the measured values are output for each range. |
| MAX hold function |
The maximum value during a measurement is displayed. |
| USB communications
function |
Settings can be changed and measured values acquired over the USB interface.
(When this function is in use, control is not possible using the meter’s keys.) |
| Sensor Head for TB200: 735221 |
| Electrical/Optical Characteristics |
Wavelength range
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400 to 850 nm
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Light-receiving element
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Si-PD
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Received light power range
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1 μW (-30 dBm) to 100 mW (+20 dBm)
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Max. light receiving level
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+20 dBm (100 mW) Note 1)
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Max. power density
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5 mW/mm2
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| Uncertainty at reference conditions |
4%
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Input type
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Spatial light |
| Environmental Conditions |
Operation-guaranteed
temperature/humidity
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0 to +60°C (ambient temperature), 20 to 80% (no condensation)
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| Storage temperature/humidity |
-20 to +60°C (ambient temperature), 20 to 80% (no condensation) |
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| Product |
Model |
Specifications |
| Protector |
SU2002A |
Protector (with stand) |
| Carrying case |
SU2006A |
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| TB200 Utility CD |
USB driver for Windows 2000, XP with Sample Soft Ware |
| API (Application Program Interface) |
| Calibration data |
| Calibration data upload tool |
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 Specifications |
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