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Journal of the Optical Society of America

Journal of the Optical Society of America

  • Vol. 55, Iss. 4 — Apr. 1, 1965
  • pp: 409–409

Low-Frequency Light Modulator

ROLAND W. GUBISCH  »View Author Affiliations


JOSA, Vol. 55, Issue 4, pp. 409-409 (1965)
http://dx.doi.org/10.1364/JOSA.55.000409


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Abstract

An electromechanical shutter has been developed which will modulate the light flux from a variety of sources in response to an electrical input at frequencies up to 100 cps. Feedback assures a linearity of 0.6% and, in addition, maintains a constant output in spite of fluctuations in source intensity.

Citation
ROLAND W. GUBISCH, "Low-Frequency Light Modulator," J. Opt. Soc. Am. 55, 409-409 (1965)
http://www.opticsinfobase.org/josa/abstract.cfm?URI=josa-55-4-409


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References

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  7. H. de Lange, "Attenuation Characteristics and Phase-Shift Characteristics of the Human Fovea-Cortex Systems in Relation to Flicker-fusion Phenomena," thesis, Rotterdam (1957).
  8. R. Carpenter, J. Opt. Soc. Am. 40, 225 (1950).
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  11. Bausch & Lomb Optical Company, Rochester, New York, f/2.1, 3.5-in. E.F., 1.6-in, back focal length.

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