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Proceedings Paper

Frequency conversion of near IR lasers in AgxGaxGe1-xS2 and AgxGaxGe1-xSe2
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Paper Abstract

The linear and nonlinear optical properties of AgxGaxGe1-xS2 (AGGS) at x = 0.20, 0.25, and 0.50 and AgxGaxGe1-xSe2 (AGGSE) at x = 0.17 and 0.25 have been investigated for second-harmonic generation (SHG) of near IR lasers. The polarization dependent transmission curves of these crystals showed larger energy band-gaps for polarization parallel to c axis than that for a axis. The 90° phase-matched SHG wavelengths measured along b axis at room temperature were found to be 0.515, 0.530, and 0.774 μm for the AGGS samples at x = 0.20, 0.25, and 0.50, and 0.638 and 0.676 μm for the AGGSE samples at x = 0.17 and 0.25, respectively. In addition, the crystal to crystal and local variations of the phase-matching conditions are presented together with their temperature stability.

Paper Details

Date Published: 13 February 2008
PDF: 4 pages
Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 687519 (13 February 2008); doi: 10.1117/12.761060
Show Author Affiliations
K. Miyata, Chitose Institute of Science and Technology (Japan)
S. Banerjee, Chitose Institute of Science and Technology (Japan)
V. Petrov, Max-Born-Institute for Nonlinear Optics and Ultrafast Spectroscopy (Germany)
K. Kato, Chitose Institute of Science and Technology (Japan)


Published in SPIE Proceedings Vol. 6875:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII
Peter E. Powers, Editor(s)

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