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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 11 — Apr. 10, 2009
  • pp: 2045–2050

High-accuracy interferometer with a prism pair for measurement of the absolute refractive index of glass

Yasuaki Hori, Akiko Hirai, Kaoru Minoshima, and Hirokazu Matsumoto  »View Author Affiliations


Applied Optics, Vol. 48, Issue 11, pp. 2045-2050 (2009)
http://dx.doi.org/10.1364/AO.48.002045


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Abstract

We propose a variable-path interferometric technique for the measurement of the absolute refractive index of optical glasses. We use two interferometers to decide the ratio between changes in the optical path in a prism-shaped sample glass and in air resulting from displacement of the sample. The method allows precise measurements to be made without prior knowledge of the properties of the sample. The combined standard uncertainty of the proposed method is 1.6 × 10 6 .

© 2009 Optical Society of America

OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(160.4760) Materials : Optical properties

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: December 18, 2008
Manuscript Accepted: February 25, 2009
Published: April 1, 2009

Citation
Yasuaki Hori, Akiko Hirai, Kaoru Minoshima, and Hirokazu Matsumoto, "High-accuracy interferometer with a prism pair for measurement of the absolute refractive index of glass," Appl. Opt. 48, 2045-2050 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-11-2045

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