Observation of reflectance fluctuations in metals

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Abstract

Through the study of the power spectra of a monochromatic light beam reflected by metallic mirrors, fluctuations in their reflectance are observed. The power spectra were obtained down to a factor 10-6 below the standard quantum limit, with a dynamic range of 105 in frequency and power, using methods we developed. The properties of the spectra are investigated, and their dependence on the material is analyzed. The physics underlying the phenomenon is also discussed. These fluctuations provide a window into the degrees of freedom responsible for the reflection process in metals.

Original languageEnglish
Article number043821
JournalPhysical Review A
Volume95
Issue number4
DOIs
Publication statusPublished - 2017 Apr 14

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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