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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 10 — May. 15, 2006
  • pp: 1495–1497

Nonlinear optical properties of glasses in the system Ge Ga Sb S Se

L. Petit, N. Carlie, K. Richardson, A. Humeau, S. Cherukulappurath, and G. Boudebs  »View Author Affiliations


Optics Letters, Vol. 31, Issue 10, pp. 1495-1497 (2006)
http://dx.doi.org/10.1364/OL.31.001495


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Abstract

We report n 2 measurements of selected chalcogenide glasses using a modified Z-scan technique. Measurements were made with picosecond pulses emitted by a 10 Hz Q-switched, mode-locked Nd:YAG laser at 1064 nm under conditions suitable to characterize ultrafast nonlinearities. The nonlinear index increases significantly up to 246 times the n 2 for fused silica with an increase of Sb S 3 units and also very slightly with the replacement of Ge by Ga or S by Se. We have attributed the variation of n 2 to the total number of electronic lone pairs and to the position of the absorption band gap, which are induced by the presence of Ga S 4 units or Se―Se bonds in the glass structure.

© 2006 Optical Society of America

OCIS Codes
(190.4400) Nonlinear optics : Nonlinear optics, materials
(300.1030) Spectroscopy : Absorption

ToC Category:
Nonlinear Optics

History
Original Manuscript: November 11, 2005
Revised Manuscript: February 6, 2006
Manuscript Accepted: February 17, 2006

Citation
L. Petit, N. Carlie, K. Richardson, A. Humeau, S. Cherukulappurath, and G. Boudebs, "Nonlinear optical properties of glasses in the system Ge/Ga-Sb-S/Se," Opt. Lett. 31, 1495-1497 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-10-1495

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