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Sensors for Optical Power Meters
823xxB Series

82311B  Optical Sensor (general-purpose, thin type)​​​​​​

Wavelength range  390 to 1100 nm
Power range  Display in dBm -60 to +17 dBm
Display in W 1 nW to 50 mW
Beam spot  3 mmφ or more
Light receiving element Si Photodiode
Light receiving area  Approx. 9.5 mm x 9.5 mm
Effective light receiving area *1 Approx. 8.5 mm x 8.5 mm
Calibration wavelength *2 780 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5%*4 (400 to 1000 nm)

Wavelength sensitivity correction range 390 to 1100 nm

82321B Optical Sensor (general-purpose, cylindrical type)

Wavelength range  390 to 1100 nm
Power range Display in dBm -60 to +17 dBm
Display in W 1 nW to 50 mW
Beam spot  3 mmφ or more
Light receiving element Si Photodiode
Light receiving area  Approx. 8.5 mmφ
Effective light receiving area *1

Approx. 6.5 mmφ

Calibration wavelength *2 780 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% *4 (400 to 1000 nm)

Wavelength sensitivity correction range 390 to 1100 nm

82313B  Optical Sensor (high-power, thin type)

Wavelength range  390 to 1100 nm
Power range Display in dBm  -50 to +23 dBm
Display in W 10 nW to 200 mW
Beam spot  0.1 mmφ or more
Light receiving element  Si Photodiode
Light receiving area Approx. 8.5 mmφ
Effective light receiving area *1 Approx. 6 mmφ
Calibration wavelength *2 650 nm
Measurement accuracy (at 1 mW input) *3

 ±2. 5 % (at calibration wavelength)

±3. 5% (400 to 1000 nm)

Wavelength sensitivity correction range 390 to 1100 nm

82323B  Optical Sensor (high-power, cylindrical type)

Wavelength range  390 to 1100 nm
Power range Display in dBm  -50 to +23 dBm
Display in W 10 nW to 200 mW
Beam spot   0.1 mmφ or more
Light receiving element Si Photodiode
Light receiving area Approx. 8.5 mmφ
Effective light receiving area *1 Approx. 6 mmφ
Calibration wavelength *2 650 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% (400 to 1000 nm)

Wavelength sensitivity correction range

390 to 1100 nm


82312B  Optical Sensor (blue-violet, thin type)

Wavelength range  390 to 450 nm
Power range Display in dBm  -50 to +20 dBm
Display in W 10 nW to 100 mW
Beam spot  1 mmφ or more
Light receiving element Si Photodiode
Light receiving area Approx. 10 mm x 10 mm
Effective light receiving area *1 Approx. 8.5 mm x 8.5 mm
Calibration wavelength *2 405 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% (390 to 450 nm)

Wavelength sensitivity correction range  390 to 450 nm

82322B  Optical Sensor (blue-violet, cylindrical type)

 Wavelength range  390 to 450 nm
Power range Display in dBm  -50 to +20 dBm
Display in W 10 nW to 100 mW
Beam spot  1 mmφ or more
Light receiving element Si Photodiode
Light receiving area Approx. 8.5 mmφ
Effective light receiving area *1 Approx. 6.5 mmφ
Calibration wavelength *2 405 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% (390 to 450 nm)

Wavelength sensitivity correction range   390 to 450 nm

82314B  Optical Sensor (three-wavelength, thin type)

Wavelength range  390 to 900 nm
Power range Display in dBm  -50 to +20 dBm
Display in W 10 nW to 100 mW
Beam spot  3 mmφ or more
Light receiving element Si Photodiode
Light receiving area Approx. 10 mm x 10 mm
Effective light receiving area *1 Approx. 9.5 mm x 9.5 mm
Calibration wavelength *2 405 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% (390 to 900 nm)

Wavelength sensitivity correction range  390 to 900 nm

82314BW  Optical Sensor (three-wavelength, thin and wide type)

 Wavelength range  390 to 900 nm
 Power range  Display in dBm  -50 to +20 dBm
 Display in W 10 nW to 100 mW
 Beam spot  3 mmφ or more
 Light receiving element Si Photodiode
 Light receiving area Approx. 18 mm x 18 mm
 Effective light receiving area *1  Approx. 15.5 mm x 15.5 mm
Calibration wavelength *2  405 nm
Measurement accuracy (at 1 mW input) *3

±2. 5 % (at calibration wavelength)

±3. 5% (390 to 900 nm)

 Wavelength sensitivity correction range   390 to 900 nm

82324B  Optical Sensor (Three-wavelength, cylindrical type)

 Wavelength range   390 to 900 nm
 Power range  Display in dBm  -50 to +20 dBm
 Display in W 10 nW to 100 mW
 Beam spot  3 mmφ or more
 Light receiving element Si Photodiode
 Light receiving area Approx. 8.5 mmφ
Effective light receiving area *1 Approx. 6.5 mmφ
Calibration wavelength *2 405 nm
Measurement accuracy (at 1 mW input) *3

 ±2. 5 % (at calibration wavelength)

±3. 5% (390 to 900 nm)

Wavelength sensitivity correction range   390 to 900 nm

*1: Relative sensitivity to the center is within the ±10% range. 
*2: Can be added by using options.
*3: CW light
*4: For the 82311B or 82321B, Option+20 is specified. 

Option

Name Part Number

 82311B wavelength sensitivity correction option  

 OPT82311B+20
 82311B  calibration wavelength option (405nm)  OPT82311B+21
 82311B  calibration wavelength option (650nm)  OPT82311B+22
 82321B wavelength sensitivity correction option    OPT82321B+20
 82321B  calibration wavelength option (405nm)  OPT82321B+21
 82321B  calibration wavelength option (650nm)  OPT82321B+22
 82313B  calibration wavelength option (405nm)  OPT82313B+21
 82313B  calibration wavelength option (780nm)  OPT82313B+23
 82323B  calibration wavelength option (405nm)  OPT82323B+21
 82323B  calibration wavelength option (780nm)  OPT82323B+23
 82314BW  calibration wavelength option (650nm)  OPT82314BW+22
 82314BW  calibration wavelength option (780nm)  OPT82314BW+23
 82324B  calibration wavelength option (650nm)  OPT82324B+22
 82324B  calibration wavelength option (780nm)  OPT82324B+23

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