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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 4 — Feb. 25, 2013
  • pp: 4854–4863

Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses

Stavros G. Demos, Paul R. Ehrmann, Michael A. Johnson, Kathleen I. Schaffers, Alexander M. Rubenchik, and Michael D. Feit  »View Author Affiliations

Optics Express, Vol. 21, Issue 4, pp. 4854-4863 (2013)

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The self-focusing characteristic of 355 nm, 3.3 ns pulses propagating through phosphate glass samples is found to significantly change during repeated exposure. The results indicate this change is related to the formation of color centers in the material as well as the generation of a transient defect population during exposure to the laser pulses. A model is used to fit the experimental data and obtain an estimated range of values for the modified linear and nonlinear indices of refraction.

© 2013 OSA

OCIS Codes
(140.3380) Lasers and laser optics : Laser materials
(190.4720) Nonlinear optics : Optical nonlinearities of condensed matter

ToC Category:
Nonlinear Optics

Original Manuscript: November 7, 2012
Revised Manuscript: January 23, 2013
Manuscript Accepted: February 7, 2013
Published: February 20, 2013

Stavros G. Demos, Paul R. Ehrmann, Michael A. Johnson, Kathleen I. Schaffers, Alexander M. Rubenchik, and Michael D. Feit, "Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses," Opt. Express 21, 4854-4863 (2013)

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