ISSN 0021-3454 (print version)
ISSN 2500-0381 (online version)
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vol 64 / January, 2021
Article

DOI 10.17586/0021-3454-2015-58-3-207-213

UDC 681.7.069.2

METHOD FOR ESTIMATING OPTICAL FLUX ATTENUATION BY TWO-STAGE OPTICAL ATTENUATOR

N. K. Maltseva
ITMO University, Department of Optical-Electronic Devices and Systems;


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Abstract. A method is proposed for evaluating optical flux attenuation by each stage of the two-stage photometric attenuator involving a Fresnel-type component and integrating sphere. 
Keywords: optical attenuator, radiation flux, integrating sphere photometer.