Phase-step estimation in interferometry via an unscented Kalman filter
Optics Letters, Vol. 34, Issue 9, pp. 1396-1398 (2009)
http://dx.doi.org/10.1364/OL.34.001396
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Abstract
We present an unscented Kalman filter to identify the phase step imparted to a piezoelectric transducer in phase shifting interferometry in the presence of Gaussian noise. The advantage of the proposed algorithm lies in its ability to determine the phase step values between
© 2009 Optical Society of America
OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.2880) Instrumentation, measurement, and metrology : Holographic interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: January 30, 2009
Revised Manuscript: March 24, 2009
Manuscript Accepted: March 27, 2009
Published: April 23, 2009
Citation
Thomas E. Zander, Venkatesh Madyastha, Abhijit Patil, Pramod Rastogi, and Leonhard M. Reindl, "Phase-step estimation in interferometry via an unscented Kalman filter," Opt. Lett. 34, 1396-1398 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1396
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