Direct optical observations of surface thermal motions at sub-shot noise levels

Takahisa Mitsui; Kenichiro Aoki

doi:10.1103/PhysRevE.80.020602

Direct optical observations of surface thermal motions at sub-shot noise levels

Takahisa Mitsui, Kenichiro Aoki

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

We measure surface thermal fluctuation spectra of liquids, solids, complex fluids, and biological matter using reflected light measurements down to ∼ 10-17 rad2 /Hz in inclinations or ∼ 10-29 m2 /Hz in vertical displacement. The random thermal fluctuations are delineated from random noise at sub-shot noise levels. The principle of the measurement is not limited to surface measurements. The dynamical evolution of the surface properties is also investigated. The measurement time is short, passive, and applicable to a wide variety of surfaces.

Original language	English
Article number	020602
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	80
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevE.80.020602
Publication status	Published - 2009 Aug 19

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.80.020602

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Direct optical observations of surface thermal motions at sub-shot noise levels

Abstract

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