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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 11 — Jun. 1, 2013
  • pp: 1838–1840

Highly efficient pulse cleaner via nonlinear ellipse rotation in liquid CS2 for ultrashort pulses

H. J. Liu, Q. B. Sun, N. Huang, J. Wen, and Z. L. Wang  »View Author Affiliations

Optics Letters, Vol. 38, Issue 11, pp. 1838-1840 (2013)

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A highly efficient pulse cleaner based on nonlinear ellipse rotation (NER) in a liquid medium of CS2 is investigated for the temporal contrast enhancement of ultrashort pulses. In theory, a nonlinear transmissivity higher than 60% can be achieved with the temporal contrast improved by about four orders of magnitude, on the condition that the extinction ratio of the polarizer–analyzer pair is better than 104. In a proof of principle experiment, the cleaned pulses at the mJ level with total transmissivity as high as 30% are obtained via NER, in which the temporal contrast is enhanced by about three orders of magnitude. This provides a simple and feasible technology for improving the temporal contrast of an ultrashort and ultraintense laser system in the future.

© 2013 Optical Society of America

OCIS Codes
(190.3270) Nonlinear optics : Kerr effect
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Nonlinear Optics

Original Manuscript: April 2, 2013
Revised Manuscript: April 28, 2013
Manuscript Accepted: April 29, 2013
Published: May 21, 2013

H. J. Liu, Q. B. Sun, N. Huang, J. Wen, and Z. L. Wang, "Highly efficient pulse cleaner via nonlinear ellipse rotation in liquid CS2 for ultrashort pulses," Opt. Lett. 38, 1838-1840 (2013)

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