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Optical Engineering

Sensitivity analysis of angle-sensitive detectors based on a film resonator
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Paper Abstract

We analyze the use of a film resonator in an angle-sensitive detector (ASD) for measuring very small deflections of a laser beam. A simple device consisting of a film resonator formed by a parallel air gap between two optical prisms is proposed. Quantitative modeling is done considering Gaussian laser beams. We present a detailed analysis of the sensitivity of the proposed ASD with respect to the beam's size, resonator's width, polarization, and prism refractive indices. An experimental verification of the proposed device is also presented.

Paper Details

Date Published: 1 April 2003
PDF: 9 pages
Opt. Eng. 42(4) doi: 10.1117/1.1554406
Published in: Optical Engineering Volume 42, Issue 4
Show Author Affiliations
Augusto Garcia-Valenzuela, Univ. Nacional Autonoma de Mexico (Mexico)
Mary Pena-Gomar, Univ. Nacional Autonoma de Mexico and Institute Nacional de Astrofisica Optica y Electronica (Mexico)
Joel Villatoro, Centro de Investigaciones en Optica A.C. (Mexico)


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