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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 29, Iss. 8 — Apr. 15, 2004
  • pp: 890–892

Femtosecond pulse-shape modulation at kilohertz rates

E. Frumker, D. Oron, D. Mandelik, and Y. Silberberg  »View Author Affiliations


Optics Letters, Vol. 29, Issue 8, pp. 890-892 (2004)
http://dx.doi.org/10.1364/OL.29.000890


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Abstract

We demonstrate a new scanning femtosecond pulse-shaping technique that allows pulse shapes to be modulated at kilohertz rates. This technique is particularly useful for lock-in measurements in which the signal is synchronized with the alternating pulse shapes. The pulse-shape lock-in technique is demonstrated in resonant coherent anti-Stokes Raman scattering, where it is shown to significantly improve the ratio of the resonant signal to both the nonresonant background and to noise.

© 2004 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.5650) Nonlinear optics : Raman effect
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.0320) Ultrafast optics : Ultrafast optics
(320.5540) Ultrafast optics : Pulse shaping
(320.7150) Ultrafast optics : Ultrafast spectroscopy

Citation
E. Frumker, D. Oron, D. Mandelik, and Y. Silberberg, "Femtosecond pulse-shape modulation at kilohertz rates," Opt. Lett. 29, 890-892 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-8-890

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