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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 23, Iss. 6 — Mar. 15, 1998
  • pp: 466–468

Far-infrared second-harmonic generation and pulse characterization with the organic salt DAST

Niels A. van Dantzig, Paul C. M. Planken, and Huib J. Bakker  »View Author Affiliations


Optics Letters, Vol. 23, Issue 6, pp. 466-468 (1998)
http://dx.doi.org/10.1364/OL.23.000466


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Abstract

We generated the second harmonics of pulses in the far-infrared region (30–55 µm), using the organic salt dimethylamino-4-N-methylstilbazolium tosylate (DAST). We demonstrate that DAST can be used to characterize ultrashort pulses in a spectral region where no other materials are available. To illustrate the need for such characterizations, we show the effects of propagation through air on the shape of ultrashort far-infrared pulses.

© 1998 Society of America

OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(320.5550) Ultrafast optics : Pulses
(320.7100) Ultrafast optics : Ultrafast measurements
(320.7110) Ultrafast optics : Ultrafast nonlinear optics

Citation
Niels A. van Dantzig, Paul C. M. Planken, and Huib J. Bakker, "Far-infrared second-harmonic generation and pulse characterization with the organic salt DAST," Opt. Lett. 23, 466-468 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-6-466

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