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Applied Optics

Applied Optics


  • Vol. 12, Iss. 4 — Apr. 1, 1973
  • pp: 822–824

High Speed Light Choppers

F. T. Wenthen and L. R. Snowman  »View Author Affiliations

Applied Optics, Vol. 12, Issue 4, pp. 822-824 (1973)

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Mechanical light choppers are used in many optical systems with a great deal of success. At high PRF’s, however, designers often tend to avoid their use because of stress and torque limitations. This article attempts to provide an optical engineer with sufficient information to compute the maximum stresses in a chopper wheel. It also provides curves for estimating the torque required to drive the wheel as well as general design guidelines. An example is shown of a 10-kHz chopper that was designed from the data presented and is now in use.

© 1973 Optical Society of America

Original Manuscript: September 13, 1972
Published: April 1, 1973

F. T. Wenthen and L. R. Snowman, "High Speed Light Choppers," Appl. Opt. 12, 822-824 (1973)

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  1. X. Wang, Applied Elasticity (McGraw-Hill, New York, 1953).
  2. X. Timoshenko, X. Goodier, Theory of Elasticity (McGraw-Hill, New York, 1970).
  3. X. Timoshenko, Strength of Materials (Van Nostrand, Princeton, 1956), Vol. 2.
  4. X. Schlichting, Boundary Layer Theory (McGraw-Hill, New York, 1968).

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