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Supercontinuum laser-based monochromatic radiant source for detector spectral responsivity characterization in the range 0.9–1.6 μm using absolute cryogenic radiometer
https://doi.org/10.32446/0368-1025it.2020-11-28-33
Abstract
An improved monochromatic radiant source with spectral bandwidth of 4 nm based on supercontinuum laser and a double monochromator was included in absolute cryogenic radiometer-based facility to improve the accuracy of spectral responsivity measurement in the range 0.9–1.6 μm. The developed feedback system ensures stabilization of monochromatic radiant power with standard deviation up to 0.025 %. Radiant power that proceeds detector under test or absolute cryogenic radiometer varies from 0.1 to 1.5 mW in dependence of wavelength. The spectral power distribution of its monochromatic source for various operating mode is presented.
About the Authors
A. Yu. Dunaev
All-Russia Research Institute for Optical and Physical Measurements
Russian Federation
Russian Federation
Aleksandr Yu. Dunaev
Moscow
A. S. Baturin
All-Russia Research Institute for Optical and Physical Measurements
Russian Federation
Russian Federation
Andrey S. Baturin
Moscow
V. N. Krutikov
All-Russia Research Institute for Optical and Physical Measurements
Russian Federation
Russian Federation
Vladimir N. Krutikov
Moscow
S. P. Morozova
All-Russia Research Institute for Optical and Physical Measurements
Russian Federation
Russian Federation
Svetlana P. Morozova
Moscow
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Review
For citations:
Dunaev A.Yu., Baturin A.S., Krutikov V.N., Morozova S.P. Supercontinuum laser-based monochromatic radiant source for detector spectral responsivity characterization in the range 0.9–1.6 μm using absolute cryogenic radiometer. Izmeritel`naya Tekhnika. 2020;(11):28-33. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-11-28-33
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