Wood’s anomaly angular alignment gratings

A. Gavrielides; P. R. Peterson

doi:10.1364/CLEO.1981.THM14

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 1981),
paper THM14
•https://doi.org/10.1364/CLEO.1981.THM14

Wood’s anomaly angular alignment gratings

A. Gavrielides and P. R. Peterson

Conference on Lasers and Electro-Optics 1981

Washington, D.C. United States
10–12 June 1981
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Poster Session: 3 (THM)

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A. Gavrielides and P. R. Peterson, "Wood’s anomaly angular alignment gratings," in Conference on Lasers and Electro-Optics, F. Abbott, J. Ready, T. Li, and G. Sincerbox, eds., OSA Technical Digest (Optica Publishing Group, 1981), paper THM14.

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Abstract

We propose to use two lamellar gratings in series, both operating in the vicinity of a Wood’s anomaly, to obtain a device so that the doubly diffracted signal intensity is very sensitive to small angular changes in a monochromatic input beam. This device can be used in an active control loop to correct for dynamic angular misalignments.

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