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Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces
JoVE Journal
Ingegneria
This content is Free Access.
JoVE Journal Ingegneria
Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

Evanescent Field Based Photoacoustics: Optical Property Evaluation at Surfaces

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10:21 min

July 26, 2016

DOI:

10:21 min
July 26, 2016

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Summary

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Here we present a protocol to estimate material and surface optical properties using the photoacoustic effect combined with total internal reflection. This technique evanescent field-based photoacoustics can be used to create a photoacoustic metrology system to estimate materials' thicknesses, bulk and thin film refractive indices, and explore their optical properties.

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