Generation of UV radiation in a lithium tetraborate crystal by walk-off compensated Type I sum-frequency mixing

Ultraviolet radiation is generated in two lithium tetraborate (Li{sub 2}B{sub 4}O{sub 7} or LB4) crystals by Type I walk-off compensated sum-frequency mixing (SFM) of the commonly available Nd:YAG laser radiation and radiation from a dye laser pumped by the second harmonic of the same YAG laser. In...

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Veröffentlicht in:	Quantum electronics (Woodbury, N.Y.) N.Y.), 2002-04, Vol.32 (4), p.341-343
Hauptverfasser:	Bhar, G C, Kumbhakar, P, Chaudhary, A K
Format:	Artikel
Sprache:	eng
Schlagworte:	ALKALI METAL COMPOUNDS BORATES BORON COMPOUNDS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CRYSTALS DYE LASERS EFFICIENCY ELECTROMAGNETIC RADIATION Exact sciences and technology Frequency conversion harmonic generation, including high-order harmonic generation FREQUENCY MIXING Fundamental areas of phenomenology (including applications) Harmonic generation, frequency conversion LASER RADIATION LASERS LIQUID LASERS LITHIUM COMPOUNDS NEODYMIUM LASERS Nonlinear optics OPTICAL PUMPING Optical sources and standards Optics OXYGEN COMPOUNDS Phase conjugation, optical mixing photorefractive and kerr effects Physics PUMPING RADIATIONS SOLID STATE LASERS ULTRAVIOLET RADIATION Visible and ultraviolet sources
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Zusammenfassung:	Ultraviolet radiation is generated in two lithium tetraborate (Li{sub 2}B{sub 4}O{sub 7} or LB4) crystals by Type I walk-off compensated sum-frequency mixing (SFM) of the commonly available Nd:YAG laser radiation and radiation from a dye laser pumped by the second harmonic of the same YAG laser. In the walk-off compensated configuration, an enhancement in the conversion efficiency by a factor of 3.8 relative to the single pass generation is realised. (nonlinear optical phenomena)
ISSN:	1063-7818 1468-4799
DOI:	10.1070/QE2002v032n04ABEH002195