8230E Optical Power Meter Operation Manual
5.2 Optical Power Calibration and Wavelength Sensitivity Correction
5-3
5.2 Optical Power Calibration and Wavelength Sensitivity Correction
Features of sensor photodiodes include varying sensitivity for individual photodiodes and wavelength-
dependent 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 range
of wavelengths. The calibration wavelength can be traced to national standards, ensuring high accuracy.
Figure 5-2 Wavelength Sensitivity Characteristics and Power Calibration of the Sensor
Wavelength
sensitivity
correction
Sensitivity
Power
calibration
Calibration wavelength Wavelength
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