Efficient second-harmonic generation in KTP crystals
Эффективная генерация второго гармонического сигнала в кристаллах KTP
1986-05-01
SCID: 54.1/9kf3nfnz
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KTP crystalsconversion efficiencyfrequency doublingphase-matching angular acceptancesecond-harmonic generation
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Abstract (AI)
Conversion efficiencies in excess of 50% have been measured in frequency-doubling experiments in KTP using divergent fundamental 1.064-μm beams. Various doubling schemes have been investigated to avoid reconversion effects observed in 9-mm-long crystals. The phase-matching angular acceptance bandwidth, damage-threshold observations, and a measurement of effective susceptibility relative to KD*P are also reported.
Key Findings
1
Measured effective nonlinear susceptibility of KTP relative to KD*P and reported the comparative value.
2
Measured frequency-doubling conversion efficiencies in KTP exceeding 50% using divergent 1.064 μm fundamental beams.
3
Reconversion effects observed in 9-mm-long KTP crystals necessitated investigation of various doubling schemes to avoid them.
4
Reported damage-threshold observations for KTP under the tested frequency-doubling conditions.
5
Reported measurement of phase-matching angular acceptance bandwidth for KTP frequency doubling.
Research Object
KTP crystals used for second-harmonic generation (frequency doubling) of 1.064-μm beams
Research Subject
Efficiency and limiting factors of second-harmonic generation including conversion efficiency (>50%), reconversion effects in 9-mm-long crystals, phase-matching angular acceptance bandwidth, damage-threshold behavior, and effective nonlinear susceptibility relative to KD*P
Publication Details
Publication Date
1986-05-01
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