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Applied Optics

Applied Optics


  • Vol. 20, Iss. 19 — Oct. 1, 1981
  • pp: 3403–3407

Acoustooptic refractive infrared chopper

M. Gottlieb and Fred Schaff  »View Author Affiliations

Applied Optics, Vol. 20, Issue 19, pp. 3403-3407 (1981)

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An analysis is made of an infrared chopper based on the refraction of light rays by a low frequency (~1-MHz) standing acoustic wave in a block of material such as germanium. Computer programs are described for tracing the rays through the acoustic field and for calculating the contrast ratio at a small aperture detector following the chopper. Experimental results obtained with a germanium device are in good agreement with the theory.

© 1981 Optical Society of America

Original Manuscript: June 24, 1981
Published: October 1, 1981

M. Gottlieb and Fred Schaff, "Acoustooptic refractive infrared chopper," Appl. Opt. 20, 3403-3407 (1981)

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  1. A. J. Demaria, G. G. Danielson, IEEE J. Quantum Electron. QE-2, 157 (1966). [CrossRef]

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