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Applied Optics

Applied Optics


  • Vol. 45, Iss. 26 — Sep. 10, 2006
  • pp: 6781–6784

Phase geographical map for determining the material type of a right-angle prism

Ming-Hung Chiu, Chih-Wen Lai, Shinn-Fwu Wang, Der-Chin Su, and Springfield Chang  »View Author Affiliations

Applied Optics, Vol. 45, Issue 26, pp. 6781-6784 (2006)

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A phase geographical map for determining a right-angle prism is presented. The proposed method is based on total-internal-reflection effects and chromatic dispersion. Under the total-internal-reflection condition, the phase difference between the S and P polarizations, as a function of the wavelength and refractive index, can be extracted and measured using heterodyne interferometry. Various wavelengths correspond to various refractive index values. The proposed map is convenient in ensuring the prism material using a specific V number. The method has the following merits: high stability, ease of operation, and rapid measurement.

© 2006 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.4530) Instrumentation, measurement, and metrology : Optical constants
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(160.4670) Materials : Optical materials
(260.2030) Physical optics : Dispersion
(260.6970) Physical optics : Total internal reflection

Original Manuscript: November 14, 2005
Revised Manuscript: December 21, 2005
Manuscript Accepted: April 13, 2006

Ming-Hung Chiu, Chih-Wen Lai, Shinn-Fwu Wang, Der-Chin Su, and Springfield Chang, "Phase geographical map for determining the material type of a right-angle prism," Appl. Opt. 45, 6781-6784 (2006)

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