Acousto-optic beam deflector

Details Acousto-optic beam deflector Acousto-optic beam deflector

1983-01-20

1985-12-17

Punter, William H.

G02F 111

Patent

active

045589267

ABSTRACT:
An acousto-optic beam deflector comprises an optically active stress optic medium, such as crystalline quartz, driven by a longitudinal acoustic wave transducer. The deflector is independent of optical polarization, and therefore both polarization components of an input optical beam, such as a laser beam, are scattered with equal efficiencies.

REFERENCES:
patent: 3679288 (1972-07-01), Harris
patent: 3756689 (1973-09-01), Hammond et al.
patent: 4052121 (1977-10-01), Chang
Yariv, A., "Introduction to Optical Electronics", Holt Rinehart & Winston, 1976, pp. 337-353.
Uchida et al., "Elastic & Photoelastic Properties of Te or Single Crystal", Jr. of App. Physics, 11-1969, pp. 4692-4695.
Eklund et al., "Rotation of Laser Beam Polarization in Acoustic-Optic Devices", Optical & Quantum Electronics, 3-1975, pp. 73-79.
Schmidt-Tiedemann, K. J., "Stress Optical Constants of Germanium", Jr. of App. Physics, 10-1961, pp. 2058-2059.
Scudieri et al., "Opto-Acoustic Modulator with a Nematic Liquid Crystal", Optics Communications", 9-1975, pp. 57-59.
Mandel et al., "Production of a Phase Grating in an Acoustooptic Interaction in Lithium Niobate", Sov. Tech. Phys. Lett., 6-1978, pp. 297-298.

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