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Proceedings Paper

Resonant amplification of the probing signals in optical coherence tomography (OCT)
Author(s): Andre Sokolnikov
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Paper Abstract

Optical coherence tomography (OCT) is a method of high-resolution imaging originally developed for the transparent tissue of the eye. Recently, the technology has been advanced to such an extent that imaging of nontransparent tissues has become feasible as well. However, new challenges have surfaced: one of them- detection of the weak signal with high intensity background noise. The common approach of using Lock-in amplifiers (as well as some other techniques proposed) is not sufficiently effective or not effective at all. A solution to this problem has risen in the form of a resonant amplifier when the frequency of the response is known. The principle of such an amplifier and its application are discussed below.

Paper Details

Date Published: 9 September 2005
PDF: 8 pages
Proc. SPIE 5881, Infrared and Photoelectronic Imagers and Detector Devices, 58810M (9 September 2005); doi: 10.1117/12.627862
Show Author Affiliations
Andre Sokolnikov, Visual Solutions and Applications (United States)

Published in SPIE Proceedings Vol. 5881:
Infrared and Photoelectronic Imagers and Detector Devices
Randolph E. Longshore, Editor(s)

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