Optical power scale realization using the predictable quantum efficient detector

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2022-01-06
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en
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5
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Journal of Physics: Conference Series, Volume 2149, issue 1
Abstract
We report realization of scales for optical power of lasers and spectral responsivity of laser power detectors based on a predictable quantum efficient detector (PQED) over the spectral range of 400 nm – 800 nm. The PQED is characterized and used to measure optical power of a laser that is further used in calibration of the responsivities of a working standard trap detector at four distinct laser lines, with an expanded uncertainty of about 0.05%. We present a comparison of responsivities calibrated against the PQED at Aalto and the cryogenic radiometer at RISE, Sweden. The measurement results support the concept that the PQED can be used as a primary standard of optical power.
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Maham , K , Kärhä , P , Manoocheri , F & Ikonen , E 2022 , ' Optical power scale realization using the predictable quantum efficient detector ' , Journal of Physics: Conference Series , vol. 2149 , no. 1 , 012006 . https://doi.org/10.1088/1742-6596/2149/1/012006