Growth and second harmonic generation of deuterated L-arginine phosphate monohydrate crystal.
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概要
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L-arginine phosphate monohydrate (LAP) is a promising nonlinear organic crystal for higher harmonic generator in place of a KDP crystal LAP has a large absorption at 1.06μm. We synthe-sized deuterated LAP (DLAP). The absorption coefficient was reduced to 0.02 cm<SUP>-1</SUP> from 0.09 cm<SUP>-1</SUP>. The cut-off wavelength of ultra-violet light was 0.26μm. The phase-matching angles for this biaxial crystal were calculated using measured refractive indices at 1.06μm and 0.53μm. The measured angles at which maximum output of second harmonics for Type I and Type II were in fairly good agreement with the calculation. The effective nonlinear optical coefficient was almost twice and the acceptance angle was almost a half of the KDP crystal. We can say that DLAP can be used in place of KDP in high power lasers.
- 社団法人 レーザー学会の論文
社団法人 レーザー学会 | 論文
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