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Spatial distribution of refractive index variations induced in bulk fused silica by single ultrashort and short laser pulses
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10.1063/1.2436925
/content/aip/journal/jap/101/4/10.1063/1.2436925
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/4/10.1063/1.2436925
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Phase-contrast observation of a single-pulse laser modification trace in . The 120 fs and pulse is incident from the left. The position of the geometrical focus is also marked on the figure (dotted line).

Image of FIG. 2.
FIG. 2.

Sequential fluence delivery in irradiated for a laser energy input of and a pulse duration of 120 fs. The integration domains are marked on the left side of the figure

Image of FIG. 3.
FIG. 3.

Sequential energy deposition in free carriers in irradiated for a laser energy input of and 120 fs. duration. The integration domains are marked on the left side of the figure.

Image of FIG. 4.
FIG. 4.

Excitation footprints in at the end of the 120 fs irradiation pulse. (a) incident fluence ; (b) density of absorbed energy ; (c) peak intensity distribution ; (d) electronic density 50 fs after the pulse center.

Image of FIG. 5.
FIG. 5.

(a) Optical transmission microscopy (OTM) pictures of laser-induced modification traces in with 120 fs laser pulses at different energies. (b) Corresponding optical phase-contrast microscopy (OPCM) pictures of laser-induced modification traces in with 120 fs laser pulses at different energies. The energy levels are given on the right side of the figure.

Image of FIG. 6.
FIG. 6.

(a) Phase-contrast observation of a single-pulse laser modification trace in . The down-chirped 2 ps and pulse is incident from the left. The position of the geometrical focus is also marked on the figure (dotted line). (b) Same as (a) for a 2 ps up-chirped pulse.

Image of FIG. 7.
FIG. 7.

Sequential fluence delivery in irradiated for a laser energy input of and a pulse duration of 2 ps. The integration domains are marked on the left side of the figure. Same scaling units were used as in Fig. 2 to facilitate comparison.

Image of FIG. 8.
FIG. 8.

Sequential energy deposition in free carriers in irradiated for a laser energy input of and 2 ps duration. The integration domains are marked on the left side of the figure. Same scaling units were used as in Fig. 3 to facilitate comparison.

Image of FIG. 9.
FIG. 9.

Excitation footprints in at the end or during the 2 ps irradiation pulse. (a) incident fluence ; (b) density of absorbed energy ; (c) peak intensity distribution ; (d) peak electronic density . Same scaling units were used as in Fig. 4 to facilitate comparison.

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/content/aip/journal/jap/101/4/10.1063/1.2436925
2007-02-20
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spatial distribution of refractive index variations induced in bulk fused silica by single ultrashort and short laser pulses
http://aip.metastore.ingenta.com/content/aip/journal/jap/101/4/10.1063/1.2436925
10.1063/1.2436925
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