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Second-Harmonic and Sum-Freqency Generation in CdGeAs2

Published online by Cambridge University Press:  10 February 2011

Eiko Tanaka  and
Kiyoshi Kato
Eiko Tanaka
Affiliation:
Department of Computer Science, Keio University, Hiyoshi 3-14-1, Kohoku-ku, Yokohama, Japan
Kiyoshi Kato
Affiliation:
Second Research Center, Japan Defense Agency Ikejiri 1-2-24, Setagaya, Tokyo, Japan
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Abstract

CdGeAs2 has been found to be phase-matchable for type-2 SHG down to 2.833 μ m and type-2(b) SFG between the fundamental and second harmonic of a CO2 laser down to 10.4406 μ m at 20.0°C. The Sellmeier's equations and the thermo-optic dispersion formula which reproduce well the phasematching properties of SHG and direct FHG of the CO2 lasers at 77K are presented together with the absolute value of the nonlinear optical constant.

Information

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 484: Symposium F – Infrared Applications of Semiconductors II , 1997 , 475
Copyright
Copyright © Materials Research Society 1998

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References

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