Resolution of the relative phase ambiguity in spectral shearing interferometry of ultrashort pulses
Optics Letters, Vol. 35, Issue 12, pp. 1971-1973 (2010)
http://dx.doi.org/10.1364/OL.35.001971
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Abstract
We show that multiple-shear spectral shearing interferometry can overcome the relative phase ambiguity of disjoint spectral components that is present in single-shear approaches. By upconverting the unknown pulse with spatially chirped ancillae, we achieve a shear-to-space mapping that can be acquired on an imaging spectrometer. A subset of this continuous range of shears can be chosen for robust and accurate phase retrieval using a multiple-shear algorithm.
© 2010 Optical Society of America
OCIS Codes
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7100) Ultrafast optics : Ultrafast measurements
ToC Category:
Instrumentation, Measurement, and Metrology
History
Original Manuscript: March 1, 2010
Manuscript Accepted: May 5, 2010
Published: June 4, 2010
Citation
Dane R. Austin, Tobias Witting, and Ian A. Walmsley, "Resolution of the relative phase ambiguity in spectral shearing interferometry of ultrashort pulses," Opt. Lett. 35, 1971-1973 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-12-1971
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