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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 16, Iss. 1 — Jan. 1, 1977
  • pp: 101–107

Photoacoustic technique for determining optical absorption coefficients in solids

A. Hordvik and H. Schlossberg  »View Author Affiliations


Applied Optics, Vol. 16, Issue 1, pp. 101-107 (1977)
http://dx.doi.org/10.1364/AO.16.000101


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Abstract

An investigation was made of a photoacoustic technique for determining the optical absorption coefficient in solids. A train of laser pulses was passed through the solid, and a piezoelectric transducer attached directly to the sample measured the amplitude of the elastic wave generated by the absorbed radiation. Calibration was performed at a wavelength of known absorption. The sensitivity of the technique was found to be limited to about 1 × 10−5 cm−1 in our samples due to radiation scattered onto the transducer, but the technique is capable of measuring absorption coefficients in the 10−6 cm−1 range using laser powers of about 1 W.

© 1977 Optical Society of America

History
Original Manuscript: May 29, 1976
Published: January 1, 1977

Citation
A. Hordvik and H. Schlossberg, "Photoacoustic technique for determining optical absorption coefficients in solids," Appl. Opt. 16, 101-107 (1977)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-16-1-101

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