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Digitale Medien

Voltage-controlled acousto-optic phase shifter (1988)

Ehrlich, Michael J. ; Phillips, Louis C. ; Wagner, James W.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 59 (1988), S. 2390-2392

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Details

ISSN: 1089-7623

Quelle: AIP Digital Archive

Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik

Notizen: A novel solid-state technique for effecting a phase shift in a light beam has been developed utilizing a voltage-controlled rf phase shifter and two acousto-optic modulators. The acousto-optic phase-shifting technique provides a simple and accurate method of phase stepping, and is a solid-state alternative to conventional mechanical piezoelectric pusher techniques. Accuracy and repeatability of the prototype system were better than 1°. The technique lends itself quite well to situations where both heterodyne and quasi-heterodyne techniques are used for interferometric analysis.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1139915

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