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Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses |
Optics Express, Vol. 21, Issue 4, pp. 4854-4863 (2013)
http://dx.doi.org/10.1364/OE.21.004854
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Abstract
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
History
Original Manuscript: November 7, 2012
Revised Manuscript: January 23, 2013
Manuscript Accepted: February 7, 2013
Published: February 20, 2013
Citation
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)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-4-4854
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