Tl.sub.3 TaS.sub.4 and Tl.sub.3 TaSe.sub.4 crystals and acousto-

Details Tl.sub.3 TaS.sub.4 and Tl.sub.3 TaSe.sub.4 crystals and acousto- Tl.sub.3 TaS.sub.4 and Tl.sub.3 TaSe.sub.4 crystals and acousto-

1975-01-10

1976-05-25

Sikes, William L.

Oscillators

Relaxation oscillators

331 945M, H01S 310, G02F 129

Patent

active

039588637

ABSTRACT:
Single crystals of Tl.sub.3 TaS.sub.4 and Tl.sub.3 TaSe.sub.4 are disclosed which have useful acousto-optical properties, including low acoustic velocities and high acousto-optical figures of merit. They are used in acousto-optical devices such as a display device, a laser modulator, a non-collinear tunable filter, an acousto-optical delay line, and an acousto-optical waveguide modulator.

REFERENCES:
patent: 3746866 (1973-07-01), Feichtner et al.
patent: 3799659 (1974-03-01), Roland et al.
Crevecoeur, Some Ternary Thallium Chalcogenides, Acta Crystallographica, Vol. 17 (Jan.-June 1964) p. 757.

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