A passive method to compensate nonlinearity in a homodyne interferometer
Optics Express, Vol. 17, Issue 25, pp. 23299-23308 (2009)
http://dx.doi.org/10.1364/OE.17.023299
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Abstract
This study presents an analysis of the nonlinearity resulting from polarization crosstalk at a polarizing beam splitter (PBS) and a wave plate (WP) in a homodyne interferometer. From a theoretical approach, a new compensation method involving a realignment of the axes of WPs to some specific angles according to the characteristics of the PBS is introduced. This method suppresses the nonlinearity in a homodyne interferometer to 0.36 nm, which would be 3.75 nm with conventional alignment methods of WPs.
© 2009 OSA
OCIS Codes
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.3180) Instrumentation, measurement, and metrology : Interferometry
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: October 23, 2009
Revised Manuscript: November 19, 2009
Manuscript Accepted: November 19, 2009
Published: December 4, 2009
Citation
Jeongho Ahn, Jong-Ahn Kim, Chu-Shik Kang, Jae Wan Kim, and Soohyun Kim, "A passive method to compensate nonlinearity
in a homodyne interferometer," Opt. Express 17, 23299-23308 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-25-23299
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