Abstract
AbstractCdGeAs2 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.
Publisher
Springer Science and Business Media LLC
Reference9 articles.
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2. 1) Schunemann P.G. , in Dig. Tech. Papers, CLEO'96, paper JTul4.
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4. Higher-order nonlinear processes in CdGeAs2
5. 3) Kildal H. and Mikkelsen J.C. , Opt.Commun. 10, 306–309 (1974). There is a typographical error in the Sellmeier's equations: The first term of no 2 should read 3.4141.
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