Variable time synchronous detection method for sensitive optical detection
Electronics Letters(2003)
摘要
A variable-time synchronous detection (VTSD) method for sensitive optical detection is proposed. It is based on a voltage/time duality concept, and provides optimised sensitivity and dynamic range. Testing results on a VTSD board show a minimum detectable photocurrent of 30 fA and a self-adaptable dynamic range of 180 dB.
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关键词
optical signal detection,photodetectors
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