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Nonlinear properties of silica and air for picosecond ultraviolet pulses

Nonlinear properties of silica and air for picosecond ultraviolet pulses
Nonlinear properties of silica and air for picosecond ultraviolet pulses
The nonlinear power limiting processes in silica and air are investigated for picosecond pulses at the KrF wavelength. The two-photon absorption coefficient and the nonlinear refractive index in silica are measured to be 0.06cm / GW and 1.7 x 10-13 e.s.u. respectively. A mechanism for the rapid spectral broadening in air based on Raman-enhanced four-wave mixing is proposed. Experimental evidence supporting this hypothesis is presented.
0950-0340
555-573
Ross, I.N.
cca5a0cb-d125-4c43-99e1-8af20216a9f3
Toner, W.T.
65a2ebb7-84b3-401b-80f6-7c801f6c9f5b
Barr, J.R.M.
b578f4a5-1b05-41b9-b674-4b6261335fa6
Offey, I.C.
3130b725-f059-43b0-9392-6cef6d49dbc6
Ross, I.N.
cca5a0cb-d125-4c43-99e1-8af20216a9f3
Toner, W.T.
65a2ebb7-84b3-401b-80f6-7c801f6c9f5b
Barr, J.R.M.
b578f4a5-1b05-41b9-b674-4b6261335fa6
Offey, I.C.
3130b725-f059-43b0-9392-6cef6d49dbc6

Ross, I.N., Toner, W.T., Barr, J.R.M. and Offey, I.C. (1990) Nonlinear properties of silica and air for picosecond ultraviolet pulses. Journal of Modern Optics, 37 (4), 555-573. (doi:10.1080/09500349014550641).

Record type: Article

Abstract

The nonlinear power limiting processes in silica and air are investigated for picosecond pulses at the KrF wavelength. The two-photon absorption coefficient and the nonlinear refractive index in silica are measured to be 0.06cm / GW and 1.7 x 10-13 e.s.u. respectively. A mechanism for the rapid spectral broadening in air based on Raman-enhanced four-wave mixing is proposed. Experimental evidence supporting this hypothesis is presented.

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Published date: 1990

Identifiers

Local EPrints ID: 78628
URI: https://eprints.soton.ac.uk/id/eprint/78628
ISSN: 0950-0340
PURE UUID: 2072b1b3-d88a-4403-b56d-f1efe2998f34

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Date deposited: 11 Mar 2010
Last modified: 13 Dec 2018 17:30

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