One-Beam Interferometer by Beam Folding
Applied Optics, Vol. 41, Issue 25, pp. 5313-5316 (2002)
http://dx.doi.org/10.1364/AO.41.005313
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Abstract
A novel one-beam interferometer based on beam folding is described. The device resembles a Mach-Zehnder interferometer in which the two arms are located together in one collimated beam. Different halves of the same beam interfere with the help of a mirror—with its reflecting surface along the axis of the optical system—placed near the focal plane of the imaging lens. Phase-delay control is achieved by application of an electrical potential to a Pockels cell, which permits the use of techniques of phase-stepping interferometry.
© 2002 Optical Society of America
[Optical Society of America ]
OCIS Codes
(050.5080) Diffraction and gratings : Phase shift
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(260.5430) Physical optics : Polarization
(350.5030) Other areas of optics : Phase
Citation
José A. Ferrari and Erna M. Frins, "One-Beam Interferometer by Beam Folding," Appl. Opt. 41, 5313-5316 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-25-5313
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