Optimal SNR exposure time for speckle imaging: experimental results with frequency-dependent detector noise

Details Optimal SNR exposure time for speckle imaging: experimental results with frequency-dependent detector noise Optimal SNR exposure time for speckle imaging: experimental results with frequency-dependent detector noise

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2198.1389t&link_type=abstract

Proc. SPIE Vol. 2198, p. 1389-1397, Instrumentation in Astronomy VIII, David L. Crawford; Eric R. Craine; Eds.

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We review recent arguments for using increased spectral bandwidth and exposure times to optimize the signal-to-noise ratio of speckle imaging estimators and discuss the tradeoff between camera exposure time and the number of data frames collected when observing time is fixed. We compare experimental results with a previously-derived expression for optimal exposure time and find reasonable agreement after accounting for frequency-dependent camera noise.

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