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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry Van Driel
  • Vol. 26, Iss. 9 — Sep. 1, 2009
  • pp: 1818–1830

High precision self-referenced phase retrieval of complex pulses with multiple-shearing spectral interferometry

Dane R. Austin, Tobias Witting, and Ian A. Walmsley  »View Author Affiliations


JOSA B, Vol. 26, Issue 9, pp. 1818-1830 (2009)
http://dx.doi.org/10.1364/JOSAB.26.001818


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Abstract

We show that using multiple shears in spectral shearing interferometry is a powerful technique for improving precision, thus enabling the measurement of more complex pulses and resolving phase ambiguities. We derive an efficient and robust optimal phase reconstruction algorithm for extracting the spectral phase from interferograms taken at an arbitrary number of different shears. We show that if the shear is easily adjustable then a multishear measurement always offers a superior precision, even when considering the loss of precision of the raw data necessitated by multiple acquisitions. We present numerical examples and demonstrate an experimental implementation of the measurement of a double pulse using two shears.

© 2009 Optical Society of America

OCIS Codes
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(320.0320) Ultrafast optics : Ultrafast optics
(320.7100) Ultrafast optics : Ultrafast measurements
(110.5086) Imaging systems : Phase unwrapping

ToC Category:
Instrumentation, Measurement, and Metrology

History
Original Manuscript: May 22, 2009
Manuscript Accepted: July 9, 2009
Published: August 31, 2009

Citation
Dane R. Austin, Tobias Witting, and Ian A. Walmsley, "High precision self-referenced phase retrieval of complex pulses with multiple-shearing spectral interferometry," J. Opt. Soc. Am. B 26, 1818-1830 (2009)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-26-9-1818

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