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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 31, Iss. 28 — Oct. 1, 1992
  • pp: 6111–6116

Laser calorimeter for UV absorption measurement of dielectric thin films

N. K. Sahoo and K. V. S. R. Apparao  »View Author Affiliations


Applied Optics, Vol. 31, Issue 28, pp. 6111-6116 (1992)
http://dx.doi.org/10.1364/AO.31.006111


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Abstract

We describe a dual-technique laser calorimeter for measuring the absorption of dielectric thin films in the UV region below 400 nm. The instrument measures the temperature rise and absorption of a sample simultaneously by two independent techniques, namely, a resistance thermometer and a temperature transducer. The absorption constant β and extinction coefficient κ of Sb2O3 and ZrO2 films at 308 and 337 nm are measured by using the calorimeter. The principle, construction, and application of the calorimeter are described.

© 1992 Optical Society of America

History
Original Manuscript: April 22, 1991
Published: October 1, 1992

Citation
N. K. Sahoo and K. V. S. R. Apparao, "Laser calorimeter for UV absorption measurement of dielectric thin films," Appl. Opt. 31, 6111-6116 (1992)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-31-28-6111

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