Second harmonic generation of diode laser radiation in KNbO3

Niko F. van Hulst; Gerard J.T. Heesink; H. de Leeuw; Bouwe Bolger

doi:10.1117/12.24571

1 February 1991 Second harmonic generation of diode laser radiation in KNbO₃

Niko F. van Hulst, Gerard J.T. Heesink, H. de Leeuw, Bouwe Bolger

Proceedings Volume 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications; (1991) https://doi.org/10.1117/12.24571
Event: Physical Concepts of Materials for Novel Optoelectronic Device Applications, 1990, Aachen, Germany

Abstract

Both CW and pulsed diode lasers covering the wavelength region 855-912 nm have been investigated for the frequency doubling in KNbO. The influence of the spectral distribution mode character and the optical geometry of the laser beam have been investigated for several AlGaAs diode lasers. Second harmonic radiation with maximum efficiency of typically 1 has been detected both by temperature tuning CT 10-130 C noncritical phase matching) and by angle tuning. Results clearly demonstrate the critical aspects of the laser mode spectrum and the beam geometry as to the phase matching criterion in frequency doubling.

Citation Download Citation

Niko F. van Hulst, Gerard J.T. Heesink, H. de Leeuw, and Bouwe Bolger "Second harmonic generation of diode laser radiation in KNbO₃", Proc. SPIE 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications, (1 February 1991); https://doi.org/10.1117/12.24571

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