Radial polarization interferometer
Optics Express, Vol. 17, Issue 25, pp. 23234-23246 (2009)
http://dx.doi.org/10.1364/OE.17.023234
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Abstract
We propose and demonstrate a new interferometric approach in which a uniform phase difference between the arms of the interferometer manifests itself as spatially varying intensity distribution. The approach is based on interfering two orthogonal spatially varying vector fields, the radially and azimuthally polarized beams, and measuring the projection of the obtained field on an analyzer. This method provides additional spatial information that can be used to improve the smallest detectable phase change as compared with a conventional Michelson interferometer.
© 2009 OSA
OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(260.5430) Physical optics : Polarization
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: October 1, 2009
Revised Manuscript: November 16, 2009
Manuscript Accepted: November 18, 2009
Published: December 3, 2009
Citation
Gilad M. Lerman and Uriel Levy, "Radial polarization interferometer," Opt. Express 17, 23234-23246 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-25-23234
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