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Optical emission and energy disposal characterization of the laser ablation process of , , and NaCl at 1064 nm
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10.1063/1.3021352
/content/aip/journal/jap/104/10/10.1063/1.3021352
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/10/10.1063/1.3021352

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup. A: attenuator, BS: beam splitter, EM1: energy meter, L: lens, S: Sample, PZT: piezoelectric microphone, HV: high voltage, R: resistor, C: capacitor, IF: Interferential filter, Scope: oscilloscope, ICCD camera and monochromator, and OF: Optical fiber.

Image of FIG. 2.
FIG. 2.

LIBS spectra obtained with 1 mJ of laser energy for (a) , (b) NaCl, and (c) .

Image of FIG. 3.
FIG. 3.

Fluence dependence of the PA first peak amplitude for (◼) , (◯) , and NaCl.

Image of FIG. 4.
FIG. 4.

Electric signal as function of incident energy for (◼) , (◯) , and NaCl under the same experimental conditions of Fig. 3. Distance between capacitors: 3.5 cm; voltage applied to the plates: 10 kV.

Image of FIG. 5.
FIG. 5.

Plot of (◯) absorbed energy, (◼) energy consumed by the plasma, and the sum of these contribution vs the incident fluence for (a) , (b) , and (c) NaCl. The straight line represents the linear fit to the total energy.

Image of FIG. 6.
FIG. 6.

Total intensity of ion emission lines as a function of the absorbed energy for (◼) Ca II, (◯) Ba II, and Na II. The solid curves represent the fit to Eq. (4).

Image of FIG. 7.
FIG. 7.

Total intensity of neutral atoms emission line as a function of the absorbed energy for (◼) Ca I, (◯) Ba I, and Na I. The solid curves represent the fit to Eq. (4).

Image of FIG. 8.
FIG. 8.

The difference from Eq. (4) as a function of the energy density for , , and NaCl. The solid line is only a guide for the eyes.

Tables

Generic image for table
Table I.

Electronic configuration of each level and Einstein coefficients of spontaneous emission for the transitions selected for OES measurements (Ref. 18).

Generic image for table
Table II.

Least-squares linear fit parameters of experimental data given in Figs. 5(a)–5(c).

Generic image for table
Table III.

Physical properties of halogenated earth alkaline metals together with the parameters , critical , and that characterize each sample.

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/content/aip/journal/jap/104/10/10.1063/1.3021352
2008-11-20
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Optical emission and energy disposal characterization of the laser ablation process of CaF2, BaF2, and NaCl at 1064 nm
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/10/10.1063/1.3021352
10.1063/1.3021352
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