Optika Atmosfery i Okeana Journal

Vol. 5, issue 04, article # 13

Zhiliba A. I. Limiting sensitivity of an absorption spectrometer based on an opto-electronic system with negative feedback. // Atmospheric and oceanic optics. 1992. V. 5. No. 04. P. 275-276. PDF
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Abstract:

It is shown that the limiting sensitivity of the absorption spectrometer under consideration is two times better in comparison with a spectrometer in which the Poisson noise of the flux of sounding laser photons (spontaneous intensity fluctuations) is the principal source of noise.