Efficient sum-frequency and second harmonic generation in a two-pass copper vapour laser amplifier

Efficient sum-frequency and second harmonic generation in a two-pass copper vapour laser amplifier

New results are presented on the efficient generation of UV radiation by using nonlinear DKDP and BBO crystals and a two-pass copper vapour laser amplifier with the enhanced peak power. The average power (average optical efficiency) of laser radiation at the sum frequency ({lambda}=0.271 {mu}m) was...

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Veröffentlicht in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2005-09, Vol.35 (9), p.844-848
Hauptverfasser: Batenin, V M, Karpukhin, Vyacheslav T, Malikov, Mikhail M
Format: Artikel
Sprache:eng
Schlagworte:
AMPLIFIERS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
COPPER
CRYSTALS
ELECTROMAGNETIC RADIATION
ELECTRONIC EQUIPMENT
ELEMENTS
FREQUENCY MIXING
GAS LASERS
HARMONIC GENERATION
LASER RADIATION
LASERS
METAL VAPOR LASERS
METALS
NONLINEAR PROBLEMS
PEAK LOAD
RADIATIONS
TRANSITION ELEMENTS
ULTRAVIOLET RADIATION
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Beschreibung
Zusammenfassung:New results are presented on the efficient generation of UV radiation by using nonlinear DKDP and BBO crystals and a two-pass copper vapour laser amplifier with the enhanced peak power. The average power (average optical efficiency) of laser radiation at the sum frequency ({lambda}=0.271 {mu}m) was 3.6 W (24%) for the BBO crystal and 2.1 W (14%) for the DKDP crystal. The maximum average second-harmonic power generated by using the BBO crystal was 3.4 W (44%) at 0.289 {mu}m and 2.1 W (27%) at 0.255 {mu}m. (nonlinear optical phenomena)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2005v035n09ABEH003410