Quantum efficiency measuring instrument and method for photovoltaic detectors on individual laser pulses

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United States of America Patent

PATENT NO 11435226
APP PUB NO 20190341734A1
SERIAL NO

16403382

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Abstract

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Provided are an apparatus and method for measuring quantum efficiency of a detector using a single pulse laser. Quantum efficiency of the measurement target detector may be measured from 420 nm to 1600 nm having uncertainty of 2% to 4% (K=2) by comparing the reference detector and the measurement target detector significantly different in sensitivity using a single laser pulse as a spectral light source. Also, it is possible to directly compare the two detectors with a significant difference in sensitivity through a very simple setup that causes a portion of a laser pulse output from a light source part to be absorbed by the reference detector and the laser pulse reflected from the reference detector to be irradiated to the measurement target detector.

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Patent Owner(s)

Patent OwnerAddress
KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE267 GAJEONG-RO YUSEONG-GU DAEJEON 34113

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hong, Kee-Suk Daejeon, KR 2 3
Hwang, Jisoo Daejeon, KR 8 7
Lee, Dong-Hoon Daejeon, KR 224 2118
Park, Seongchong Daejeon, KR 8 21

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