HP Labs Technical Reports
A Simple Intensity Noise Reduction Technique for Optical Low-Coherence Reflectometry
Sorin, Wayne V.; Baney, Doug M.
Abstract: The reflection sensitivity of low-coherence reflectometry measurements can be limited by the inherent intensity noise associated with low-coherence optical sources. By selectively attenuating the reference power, the effects of intensity noise can be decreased allowing improved reflection sensitivity. A reflection sensitivity of -146 dB is demonstrated using this technique.
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