OPTICAL HETERODYNE TECHNIQUES FOR PHOTOACOUSTIC AND PHOTOTHERMAL DETECTION

1 October 1983

journal article
Published by EDP Sciences in Le Journal de Physique Colloques

Vol. 44 (C6) , C6-191
https://doi.org/10.1051/jphyscol:1983629

Abstract

We review the basic principles of optical heterodyne detection with particular reference to applications in photoacoustic and photothermal imaging. A novel scheme is described which utilises an optical heterodyne probe to detect current in thin film circuits in a non-contacting fashion. Recent experimental and theoretical results are presented

Keywords

PHOTOTHERMAL DETECTION
OPTICAL HETERODYNE
HETERODYNE TECHNIQUES
PHOTOACOUSTIC AND PHOTOTHERMAL
TECHNIQUES FOR PHOTOACOUSTIC

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