Photodiode working in zero-mode: detecting light power change with DC rejection and AC amplification.
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DOI: 10.1364/oe.426503
Abstract: We propose a new mode of operation when using a photodiode to extract a variable optical signal from a constant (ambient) background. The basic idea of this 'zero-mode' of operation is to force the photodiode… read more here.
Keywords: zero mode; mode photodetector; power; mode ... See more keywords