1992•Acta Optica SinicaRequires access

High efficiency second harmonic generation of 427-470 nm in KNbO_3

Q Zhao, Haohua Wept

Abstract

Efficient second harmonic generation from pulsed parametric laser to 427 -470 nm has been obtained in a KNbO3 crystal of in 1.5mm length, by angular tuning at room temperature. The energy conversion efficiency is over 40%, Single pulse blue light z-eaohes 60 kW in peak power. Angular dependence of phase matching wavelength, the relation between conversion efficiency and fundamental intensity and acceptable angular phase mismatch are studied and discussed.

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Available abstract

Key concepts: Energy conversion efficiency, Phase matching, Materials science, Second-harmonic generation, Optics, Wavelength, Phase (matter), Laser