Measurement of nonlinear optical coefficients by phase-matched harmonic generation

Robert C. Eckardt; Robert L. Byer

doi:10.1117/12.50759

1 December 1991 Measurement of nonlinear optical coefficients by phase-matched harmonic generation

Robert C. Eckardt, Robert L. Byer

Proceedings Volume 1561, Inorganic Crystals for Optics, Electro-Optics, and Frequency Conversion; (1991) https://doi.org/10.1117/12.50759
Event: San Diego, '91, 1991, San Diego, CA, United States

Abstract

A wide range of nonlinear optical coefficients and various systems of notation have been used to describe optical second-harmonic generation (SHG). To avoid possible confusion, the techniques of optical nonlinear coefficient measurement and the elementary theory of SHG are briefly reviewed. Absolute and relative nonlinear coefficient measurements by phase-matched SHG are described. The following results were obtained: d36(KDP) equals 0.38 pm/V, d36(KD*P) equals 0.37 pm/V, d22(BaB2O4) equals 2.2 pm/V, d31(LiIO3) equals -4.1 pm/V, d31(5%MgO:LiNbO3) equals -4.7 pm/V, d15(KTP) equals 1.9 pm/V and d24(KTP) equals 3.5 pm/V. The accuracy of these measurements is estimated to be better than 10%. An example of high-repetition-rate pulsed SHG in AgGaSe2 is given to demonstrate the use of quantitative analysis of harmonic generation for evaluation of nonlinear optical material performance.

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Robert C. Eckardt and Robert L. Byer "Measurement of nonlinear optical coefficients by phase-matched harmonic generation", Proc. SPIE 1561, Inorganic Crystals for Optics, Electro-Optics, and Frequency Conversion, (1 December 1991); https://doi.org/10.1117/12.50759

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