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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 6 — Mar. 15, 2006
  • pp: 838–840

Femtosecond pulse shaping directly in the mid-IR using acousto-optic modulation

Sang-Hee Shim, David B. Strasfeld, Eric C. Fulmer, and Martin T. Zanni  »View Author Affiliations


Optics Letters, Vol. 31, Issue 6, pp. 838-840 (2006)
http://dx.doi.org/10.1364/OL.31.000838


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Abstract

Pulse shaping directly in the mid-IR is accomplished by using a germanium acousto-optic modulator (Ge AOM) capable of programmable phase and amplitude modulation for IR light between 2 and 18 μ m . Shaped waveforms centered at 4.9 μ m are demonstrated in both the frequency and the time domains. With a 50% throughput efficiency, the Ge AOM can generate much more intense pulses with higher resolution than can indirect shaping methods. Furthermore, the phase stability of the shaped pulse proved sufficient for cross correlation with unshaped mid-IR pulses. Thus, phase- and amplitude-tailored pulses can now be readily incorporated into phase-sensitive experiments, such as heterodyned 2D IR spectroscopy.

© 2006 Optical Society of America

OCIS Codes
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:
Ultrafast Optics

History
Original Manuscript: November 11, 2005
Revised Manuscript: December 15, 2005
Manuscript Accepted: December 16, 2005

Citation
Sang-Hee Shim, David B. Strasfeld, Eric C. Fulmer, and Martin T. Zanni, "Femtosecond pulse shaping directly in the mid-IR using acousto-optic modulation," Opt. Lett. 31, 838-840 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-6-838

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