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- Title
Monochromatic Radiation Source Based on a Supercontinuum Laser for Measurement of Spectral Sensitivity of Radiation Detectors in the Range 0.9–1.6 μm with the Use of an Absolute Cryogenic Radiometer.
- Authors
Dunaev, A. Yu.; Baturin, A. S.; Krutikov, V. N.; Morozova, S. P.
- Abstract
An improved monochromatic radiation source with spectral width 4 nm based on a supercontinuum laser and double monochromator is introduced into a unit based on an absolute cryogenic radiometer in order to increase the precision of measurement of spectral sensitivity in the range 0.9–1.6 μm. A feedback system that supports stabilization of the power of monochromatic radiation with standard deviation 0.025% is developed. The power of optical radiation in the plane of the detector and/or power of the absolute cryogenic radiometer varies from 0.1 to 1.5 mW. The spectral distribution of the power of the newly developed source in different operating regimes of the supercontinuum laser is presented.
- Publication
Measurement Techniques, 2021, Vol 63, Issue 11, p877
- ISSN
0543-1972
- Publication type
Article
- DOI
10.1007/s11018-021-01870-z