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Abstract

The absorption of laser light in 0.25-1 mm diameter gold cavities, irradiated for the purpose of generating high temperature blackbody radiation with intense laser radiation of either lambda=0.44 mum or lambda=1.3 mum wavelength, was investigated. For lambda=0.44 mum radiation the absorption exceeded 0.9 for all conditions, but dropped to only 0.3 for the smallest cavities irradiated at lambda=1.3 mum. Entrance hole and cavity filling with plasma seems important for the understanding of the observations.

Additional information

Authors: FOELDES I B, MAX-PLANCK-INSTITUT F$AV QUANTENOPTIK, GARCHING BEI MUENCHEN (GERMANY);PAKULA R, MAX-PLANCK-INSTITUT F$AV QUANTENOPTIK, GARCHING BEI MUENCHEN (GERMANY);SAKABE S, MAX-PLANCK-INSTITUT F$AV QUANTENOPTIK, GARCHING BEI MUENCHEN (GERMANY);SIGEL R MAX-PLANCK-INSTITUT F$AV QUANTENOPTIK, GARCHING BEI MUENCHEN (GERMANY), MAX-PLANCK-INSTITUT F$AV QUANTENOPTIK, GARCHING BEI MUENCHEN (GERMANY)
Bibliographic Reference: APPLIED PHYSICS B. VOL. 43 (1987), PP. 117-122
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