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, Michael D. Feit

Research output: Contribution to journalArticle

7 Citations (Scopus)

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.

Original languageEnglish (US)
Pages (from-to)4854-4863
Number of pages10
JournalOptics Express
Volume21
Issue number4
DOIs
StatePublished - Feb 25 2013
Externally publishedYes

Fingerprint

self focusing
ultraviolet lasers
Glass
phosphates
Lasers
Color
Phosphates
glass
pulses
color centers
Population
refraction
defects
lasers

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Medicine(all)

Cite this

Demos, S. G., Ehrmann, P. R., Johnson, M. A., Schaffers, K. I., Rubenchik, A. M., & Feit, M. D. (2013). Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses. Optics Express, 21(4), 4854-4863. https://doi.org/10.1364/OE.21.004854

Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses. / Demos, Stavros G.; Ehrmann, Paul R.; Johnson, Michael A.; Schaffers, Kathleen I.; Rubenchik, Alexander M.; Feit, Michael D.

In: Optics Express, Vol. 21, No. 4, 25.02.2013, p. 4854-4863.

Research output: Contribution to journalArticle

Demos, SG, Ehrmann, PR, Johnson, MA, Schaffers, KI, Rubenchik, AM & Feit, MD 2013, 'Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses', Optics Express, vol. 21, no. 4, pp. 4854-4863. https://doi.org/10.1364/OE.21.004854
Demos, Stavros G. ; Ehrmann, Paul R. ; Johnson, Michael A. ; Schaffers, Kathleen I. ; Rubenchik, Alexander M. ; Feit, Michael D. / Change of self-focusing behavior of phosphate glass resulting from exposure to ultraviolet nanosecond laser pulses. In: Optics Express. 2013 ; Vol. 21, No. 4. pp. 4854-4863.
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