Optimization of preamplifiers for detection of short pulses of light with photodiodes
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1Aeronutronic Division, Philco Corporation,Newport Beach, California, USA.
Applied Optics
|January 9, 2010
Abstract:
The design of the preamplifier used with photodiodes to detect short pulses of light is presented. Expressions are derived giving the output signal-to-noise ratio in terms of the noise characterization of the amplifier, the characteristics of the detector, and its operating conditions. The frequency response of a vacuum tube amplifier is specified to give the maximum output signal-to-noise ratio. A numerical example is given.
