Measuring the quantum efficiency of multielement photodetectors in the spectral range between 180 and 800 nm |
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| Authors: | V A Labusov D O Selyunin I A Zarubin R G Gallyamov |
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| Affiliation: | (1) Shanghai Institute of Technical Physics, CAS, Shanghai, 200083, China;(2) East China Normal University, Shanghai, 200241, China;(3) SRI International, 333 Ravenswood Ave., Menlo Park, CA 94025-3493, USA;; |
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| Abstract: | An automatic system for measuring the quantum efficiency of multielement photodetectors applied in atomic emission spectral
analysis is created. Results of measuring the quantum efficiency of BLPP-369 photodiode lines with different dopants and coating
layers, and also lines of CCDs (Sony ILX-526A) are presented. It is shown that the quantum efficiency of photodiode lines
between 180 and 360 nm is 0.3–0.5, which is 2–5 times greater than for ILX-526A CCDs with phosphor. The spread of quantum
efficiency values of photodiodes in one BLPP-369 line is no more than 10%, and about 30% for lines from different batches. |
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