Ultra-low acoustic resonance electro-optic modulator

Details Ultra-low acoustic resonance electro-optic modulator Ultra-low acoustic resonance electro-optic modulator

1993-09-17

1997-02-04

Dzierzynski, Paul M.

Optical: systems and elements

Optical modulator

Light wave temporal modulation

359249, 359247, 359254, G02F 103, G02F 107

Patent

active

056004800

ABSTRACT:
An improved electro-optic modulator having reduced amplitude of acoustic resonances is provided. Acoustic energy is efficiently removed from the electro-optic crystal and channeled into electrode and side dielectric bars where it is dissipated by materials acoustically matched to the electro-optic crystal, that is, materials that have acoustic impedances within .+-.15% of that of the electro-optic material.

REFERENCES:
patent: 3653743 (1972-04-01), Kiefer et al.
patent: 3678574 (1972-07-01), Biazzo et al.
patent: 5079642 (1992-01-01), Dreisewerd et al.
patent: 5221988 (1993-06-01), Juhasz
R. L. Shoemaker et al, "Frequency-switchable CO.sub.2 laser: design and performance", Applied Optics, vol 21, No. 5, pp. 961-966 (1 Mar. 1982).
J. E. Kiefer et al, "Intracavity CdTe Modulators for CO.sub.2 Lasers", IEEE Journal of Quantum Electronics, Vol. QE-8, No. 2, pp. 173-179 (Feb. 1972).
Patent Abstracts of Japan, vol. 012, No. 051 (P-667), 16 Feb. 1988 & JP-A-62 198824 (Hitachi) 2 Sep. 1987--Abstract only.

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