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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 24 — Dec. 15, 1985
  • pp: 4334–4341

Measurement of the differential thermal expansion and temperature dependence of refractive index in gradient-index glass

Paul O. McLaughlin and Duncan T. Moore  »View Author Affiliations


Applied Optics, Vol. 24, Issue 24, pp. 4334-4341 (1985)
http://dx.doi.org/10.1364/AO.24.004334


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Abstract

The thermal expansion and temperature dependence of the refractive index in gradient-index glass have been investigated. In an earlier paper [ McLaughlinP. O. MooreD. T., “ Models for the Thermal Expansion Coefficient and Temperature Coefficient of the Refractive Index in Gradient Index Glass,” Appl. Opt. 24, this issue ( 15 Dec. 1985)] these two thermal properties were modeled as functions of the local glass composition within the gradient-index region. In this paper measurements of αL and dn/dT are described. A modified multiple Fabry-Perot interferometer was designed and built into an environmental temperature chamber to measure these thermal properties in gradient-index glass in the 0–100°C range. The interferometer operated under computer control to measure optically the differential thermal expansion and change in refractive-index profile in several samples of gradient-index glass.

© 1985 Optical Society of America

History
Original Manuscript: November 2, 1984
Published: December 15, 1985

Citation
Paul O. McLaughlin and Duncan T. Moore, "Measurement of the differential thermal expansion and temperature dependence of refractive index in gradient-index glass," Appl. Opt. 24, 4334-4341 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-24-4334

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