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Electrooptical compensation for self-heating in CD*A during second-harmonic generation

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1 Author(s)
Hon, David T. ; Hughes Aircraft Company, Culver City, CA, USA

A pulsed electric field is used to fine tune the phase-matching conditions in temperature-tuned CD*A for second-harmonic generation (SHG) to 0.53 μ from a 1.06-μ laser. By changing the pulse-width of the E field, the clamped and unclamped electrooptic (EO) effects are studied, resulting in the determination of r_{63} = 14.1 \pm 0.4 \times 10^{-10} cm/V (electrooptic constant) and the product P_{66}d_{36} = 10.2 \pm 0.4 \times 10^{-10} cm/V (elastooptic and piezoelectric constants, respectively) at 102°C. A steady 57-percent efficient SHG was obtained for 10.4 W of 1.06 μ laser light in CDA. The usual instability caused by self-heating was eliminated electrooptically.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:12 ,  Issue: 2 )