Comparison of quantum-efficient silicon photodetectors with a cryogenic absolute radiometer at a laser wavelength of 543,5 nm

Timo Varpula, Leif Liedquist, Hanne Ludvigsen, Henri Reyn, Jan de Vreede

Research output: Contribution to journalArticle

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Quantum-efficient silicon photodetectors of VSL (The Netherlands) and SP (Sweden), were compared with the cryogenic absolute radiometer of VTT (Finland). Agreement between the detectors was found at a level of 10-4 when the data of four silicon detectors are combined. The comparison was performed at a laser frequency of 5,515 81 × 1014 Hz (λ = 543,515 nm in vacuum).

Original languageEnglish
Pages (from-to)349 - 352
Number of pages4
Issue number4
Publication statusPublished - 1991
MoE publication typeA1 Journal article-refereed


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