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Proceedings Paper

Second harmonic generation of diode laser radiation in KNbO3
Author(s): Niko F. van Hulst; Gerard J.T. Heesink; H. de Leeuw; Bouwe Bolger
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Paper 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.

Paper Details

Date Published: 1 February 1991
PDF: 16 pages
Proc. SPIE 1362, Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications, (1 February 1991); doi: 10.1117/12.24571
Show Author Affiliations
Niko F. van Hulst, Univ. of Twente (Netherlands)
Gerard J.T. Heesink, Univ. of Twente (Netherlands)
H. de Leeuw, Univ. of Twente (Netherlands)
Bouwe Bolger, Univ. of Twente (Netherlands)


Published in SPIE Proceedings Vol. 1362:
Physical Concepts of Materials for Novel Optoelectronic Device Applications II: Device Physics and Applications

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