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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 5, Iss. 8 — Aug. 1, 1988
  • pp: 1254–1257

Dynamical precision angle measurement with an acousto-optic beam deflector

C. C. Speake and M. Lawrence  »View Author Affiliations

JOSA A, Vol. 5, Issue 8, pp. 1254-1257 (1988)

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Angular measurements having a resolution of a few tenths of a microradian were made by using a system based on an acousto-optic beam deflector. The overall dynamic range of this system was approximately 1.8 mrad. The linearity of the relationship between the angle of deflection and changes in the rf driving signal was examined by an interferometric arrangement, and various possible limitations to accuracy were investigated. Applications for the technique are envisaged in long-path intersatellite communication systems, experiments involving small mechanical deflections such as metrological mass measurements, and tunable dye-laser scan calibrations in high-resolution spectroscopy.

© 1988 Optical Society of America

Original Manuscript: July 13, 1987
Manuscript Accepted: March 28, 1988
Published: August 1, 1988

C. C. Speake and M. Lawrence, "Dynamical precision angle measurement with an acousto-optic beam deflector," J. Opt. Soc. Am. A 5, 1254-1257 (1988)

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  1. M. J. Downs, K. W. Raine, “An unmodulated bi-directional fringe counting interferometer system for measuring displacement,” Precision Eng. 1, P85 (1979). [CrossRef]
  2. W. T. Welford, Aberrations of Optical Systems (Hilger, Bristol, UK, 1986).
  3. J. Sapriel, Acousto-Optics (Wiley, London, 1979).
  4. M. J. Coulombe, A. S. Pine, “Linear scan control of tunable lasers using a scanning Fabry–Perot,” Appl. Opt. 18, 1505–1512 (1979). [CrossRef] [PubMed]

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