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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 17 — Jun. 10, 1999
  • pp: 3810–3817

Femtosecond single-shot correlation system: a time-domain approach

Kazutaka Oba, Pang-Chen Sun, Yuri T. Mazurenko, and Yeshaiahu Fainman  »View Author Affiliations


Applied Optics, Vol. 38, Issue 17, pp. 3810-3817 (1999)
http://dx.doi.org/10.1364/AO.38.003810


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Abstract

We introduce, analyze, and experimentally demonstrate what to the best of our knowledge is a new pulse correlation technique that is capable of real-time conversion of a femtosecond pulse sequence into its spatial image. Our technique uses a grating at the entrance of the system, thus introducing a transverse time delay (TTD) into the transform-limited reference pulse. The shaped signal pulses and the TTD reference pulse are mixed in a nonlinear optical crystal (LiB3O5), thus producing a second-harmonic field that carries the spatial image of the temporal shaped signal pulse. We show that the time scaling of the system is set by the magnification of the anamorphic imaging system as well as by the grating frequency and that the time window of the system is set by the size of the grating aperture. Our experimental results show a time window of ∼20 ps. We also show that the chirp information of the shaped pulse can be recovered by measurement of the spectrum of the resulting second-harmonic field.

© 1999 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.1590) Ultrafast optics : Chirping
(320.5550) Ultrafast optics : Pulses

Citation
Kazutaka Oba, Pang-Chen Sun, Yuri T. Mazurenko, and Yeshaiahu Fainman, "Femtosecond single-shot correlation system: a time-domain approach," Appl. Opt. 38, 3810-3817 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-17-3810

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