Abstract

The phase-matched harmonic generation parameters determining the conversion efficiency of a nonlinear material are the effective nonlinear coupling, angular sensitivity, and temperature bandwidth. In practice, it is very difficult to extract an accurate estimate of these parameters from the traditional powder measurements because of systematic bias in the orientational distributions of the particles and because several distinct phasematching conditions may contribute to the powder signal. Untill now, rapid unambiguous characterization of new nonlinear materials has been hampered by the perceived necessity of growing large (cm³) sized single crystals for linear and nonlinear optical measurements.

© 1987 Optical Society of America