Spectral responsivity calibration of silicon photodetectors using monochromator-based cryogenic radiometer

Nan Xu; Yandong Lin; Haiyong Gan; Jianwei Li

doi:10.1117/12.2245666

19 October 2016 Spectral responsivity calibration of silicon photodetectors using monochromator-based cryogenic radiometer

Nan Xu, Yandong Lin, Haiyong Gan, Jianwei Li

Author Affiliations +

Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015513 (2016) https://doi.org/10.1117/12.2245666
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

Cryogenic radiometer is the most accurate measurement setup for optical power measurement, underpinning the radiometry and photometry standards in many countries around the world. Typically cryogenic radiometers are designed for laser injection, and the measurement uncertainty at the laser wavelengths can reach 10^-4. The National Institute of Metrology China has used the laser cryogenic radiometer to realize the absolute spectral responsivity of the detectors. In order to achieve spectral responsivity measurement ability in a wider spectral range, we establish the new spectral type cryogenic radiometer system using a supercontinuum white light source and a double monochromator, covering spectral range of 400 nm - 1100 nm. Establishment of the new cryogenic radiometer will greatly enhance the entire optical radiation measurement capablities, such as radiation illuminance and luminance measurement. A series of experiments have been undertaken, including measurement of noise level, heating equivalence, wavelength calibration, power stabilization, detector characteristics measurement, and different light source spectral radiation power measurement. The measurement uncertainties are analyzed and presented.

Citation Download Citation

Nan Xu, Yandong Lin, Haiyong Gan, and Jianwei Li "Spectral responsivity calibration of silicon photodetectors using monochromator-based cryogenic radiometer", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015513 (19 October 2016); https://doi.org/10.1117/12.2245666

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