Non-critical phase-matched second harmonic generation in GdxY1-xCOB

    Authors

    A. Zoubir; J. Eichenholz; E. Fujiwara; D. Grojo; E. Baleine; A. Rapaport; M. Bass; B. Chai;M. Richardson

    Comments

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    Abbreviated Journal Title

    Appl. Phys. B-Lasers Opt.

    Keywords

    CRYSTAL; LASER; YCA4O(BO3)(3); YCOB; Optics; Physics, Applied

    Abstract

    We have characterized non-critical phase-matching (NCPM) for both Type I and Type II second harmonic generation (SHG) in y-cut GdxY1-xCOB using a nanosecond optical parametric osciilator (OPO). The variation of the NCPM wavelength with temperature was investigated for different values of the compositional parameter x. Efficient SHG of 1064 nm was achieved by choosing the suitable compositional parameter x = 0.28 and by tuning the temperature of the crystal to 52 degreesC. Using a 25-mm-long Gd0.28Y0.72COB crystal, conversion efficiencies of 41 and 43% were obtained respectively from a mode-locked Nd : YAG and a Q-switched Nd : YAG laser.

    Journal Title

    Applied Physics B-Lasers and Optics

    Volume

    77

    Issue/Number

    4

    Publication Date

    1-1-2003

    Document Type

    Article

    Language

    English

    First Page

    437

    Last Page

    440

    WOS Identifier

    WOS:000186179100012

    ISSN

    0946-2171

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