High-efficiency, energy-scalable, coherent 130-nm source by four-wave mixing in Hg vapor

Coherent vacuum-ultraviolet (VUV) pulses with energy of 1.1 mJ, 2.2-nsec pulse length, and measured bandwidth of 0.1/cm or less have been achieved at 130 nm from four-wave mixing in Hg vapor. Conversion efficiencies of 5 percent have been demonstrated in a collimated beam geometry over 1-m interacti...

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Veröffentlicht in:	Opt. Lett.; (United States) 1988-08, Vol.13 (8), p.651-653
Hauptverfasser:	MULLER, C. H. III, LOWENTHAL, D. D, DEFACCIO, M. A, SMITH, A. V
Format:	Artikel
Sprache:	eng
Schlagworte:	440300 - Miscellaneous Instruments- (-1989) COHERENT RADIATION EFFICIENCY ELECTROMAGNETIC RADIATION ELEMENTS Exact sciences and technology FLUIDS FREQUENCY CONVERTERS Fundamental areas of phenomenology (including applications) GASES LIGHT SOURCES MERCURY METALS MULTI-PHOTON PROCESSES NONLINEAR OPTICS OPTICS OTHER INSTRUMENTATION Physics PULSES RADIATION SOURCES RADIATIONS ULTRAVIOLET RADIATION VAPORS
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Zusammenfassung:	Coherent vacuum-ultraviolet (VUV) pulses with energy of 1.1 mJ, 2.2-nsec pulse length, and measured bandwidth of 0.1/cm or less have been achieved at 130 nm from four-wave mixing in Hg vapor. Conversion efficiencies of 5 percent have been demonstrated in a collimated beam geometry over 1-m interaction lengths. These high efficiencies are made possible by using two-photon-resonant sum-frequency mixing through the Hg 7(1)S level. The experimental facility assembled to produce this efficient VUV source is described, and a comparison between experimental measurements and theory is provided. (Author)
ISSN:	0146-9592 1539-4794
DOI:	10.1364/ol.13.000651