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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 7 — Mar. 1, 2002
  • pp: 1330–1336

Autocompensating interferometer for measuring the changes in refractive index of supercooled water as a function of temperature at 632.8 nm

Lee Carroll and Martin Henry  »View Author Affiliations


Applied Optics, Vol. 41, Issue 7, pp. 1330-1336 (2002)
http://dx.doi.org/10.1364/AO.41.001330


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Abstract

An interferometric arrangement that automatically compensates for thermal expansion was used to examine the changes in the refractive index of liquid water at 632.8 nm as a function of temperature from 10 to -15 °C. By combining the results of this research with existing data, we calculated the absolute refractive index in the supercooled region with an accuracy ranging from 3 × 10-6 to 1 × 10-5. A direct observation of the refractive-index maximum of water is reported for the first time to our knowledge and found to occur between 0 and 0.1 °C.

© 2002 Optical Society of America

OCIS Codes
(010.7340) Atmospheric and oceanic optics : Water
(120.3180) Instrumentation, measurement, and metrology : Interferometry

History
Original Manuscript: November 13, 2000
Revised Manuscript: July 26, 2001
Published: March 1, 2002

Citation
Lee Carroll and Martin Henry, "Autocompensating interferometer for measuring the changes in refractive index of supercooled water as a function of temperature at 632.8 nm," Appl. Opt. 41, 1330-1336 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-7-1330

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