Optical Sensors

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

[+] Author Affiliations
Augusto Garcı´a-Valenzuela

Universidad Nacional Auto´noma de Me´xico, Centro Ciencias Aplicadas y Desarrollo Tecnolo´gico, Cd. Universitaria A.P. 70-186, Ciudad Universitaria Coyoacan, Me´xico City, D.F.?04510, Me´xico

Mary Carmen Pen˜a-Gomar

Universidad Nacional Auto´noma de Me´xico, Centro Ciencias Aplicadas y Desarrollo Tecnolo´gico, Cd. Universitaria A.P. 70-186, Ciudad Universitaria Coyoacan, Me´xico City, D.F.?04510, Me´xico

Instituto Nacional de Astrofi´sica, Optica y Electro´nica, Apdo. Postal 51 y 216, Puebla?72000, Me´xico

Joel Villatoro

Centro de Investigaciones en Optica A.C., Loma del Bosque 115, 37150?Leo´n Gto., Me´xico ?

Opt. Eng. 42(4), 1084-1092 (Apr 01, 2003). doi:10.1117/1.1554406
History: Received May 15, 2002; Revised Sep. 13, 2002; Accepted Sep. 26, 2002; Online April 01, 2003
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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. © 2003 Society of Photo-Optical Instrumentation Engineers.

© 2003 Society of Photo-Optical Instrumentation Engineers

Citation

Augusto Garcı´a-Valenzuela ; Mary Carmen Pen˜a-Gomar and Joel Villatoro
"Sensitivity analysis of angle-sensitive detectors based on a film resonator", Opt. Eng. 42(4), 1084-1092 (Apr 01, 2003). ; http://dx.doi.org/10.1117/1.1554406


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