Double pulse laser-induced breakdown spectroscopy with femtosecond laser pulses

V Pinon, C Fotakis, G Nicolas, D Anglos - Spectrochimica Acta Part B …, 2008 - Elsevier
This paper presents results obtained in a study of collinear geometry double pulse
femtosecond LIBS analysis of solids in ambient environment. LIBS signal enhancement of 3 …

Enhancement of laser-induced Fe plasma spectroscopy with dual-wavelength femtosecond double-pulse

Y Wang, A Chen, S Li, L Sui, D Liu, D Tian… - Journal of Analytical …, 2016 - pubs.rsc.org
In this paper, we propose and demonstrate a study of Fe plasma using collinear dual-
wavelength femtosecond double-pulse laser-induced breakdown spectroscopy (LIBS) with a …

Effects of laser wavelengths and pulse energy ratio on the emission enhancement in dual pulse LIBS

R Ahmed, J Iqbal, MA Baig - Laser Physics Letters, 2015 - iopscience.iop.org
We present new studies on the effects of laser wavelengths, pulse energy ratio and
interpulse delay between two laser pulses in the collinear dual pulse configuration of laser …

A comparative study of enhanced emission in double pulse laser induced breakdown spectroscopy

R Ahmed, MA Baig - Optics & Laser Technology, 2015 - Elsevier
We are presenting a comparative study of laser induced breakdown spectroscopy (LIBS) of
copper, in single pulse and dual pulse collinear and orthogonal (re-heating) configurations …

On the optimization for enhanced dual-pulse laser-induced breakdown spectroscopy

R Ahmed, MA Baig - IEEE transactions on plasma science, 2010 - ieeexplore.ieee.org
We present a systematic study on the optimization of the following: 1) interpulse delay; 2) the
pulse energies ratio; and 3) the combination of laser wavelengths to achieve the signal …

Radiative lifetime measurement of excited neutral nitrogen atoms by time resolved laser-induced breakdown spectroscopy

A Haider, MK Ira, ZH Khan, KM Abedin - Journal of Analytical Atomic …, 2014 - pubs.rsc.org
Lifetimes of the excited 2P2 (3P) 3p 4S3/2 level of a nitrogen atom corresponding to
transitions to different lower states have been estimated by measuring the line intensity of a …

Radiative-lifetime measurements and calculations of odd-parity highly excited levels in Ba i

W Zhang, P Palmeri, P Quinet, E Biémont, S Du… - Physical Review A …, 2010 - APS
Natural radiative lifetime measurements have been performed for 70 odd-parity highly
excited levels of neutral barium in the energy range from 308 15. 512 to 417 59. 93 cm-1 by …

Experimental stark widths of six UV lines of ZnII

R Mayo, M Ortiz - Journal of Physics B: Atomic, Molecular and …, 2008 - iopscience.iop.org
The Stark broadening parameters of six lines of ZnII (four measured for the first time) have
been experimentally determined in a plasma produced by ablation of a Cd–Zn alloy with a …

Radiative lifetime measurements of odd-parity moderately excited levels belonging to J= 0, 1, 2, 3 series in Sm I

W Zhang, Y Feng, Z Dai - JOSA B, 2010 - opg.optica.org
Natural radiative lifetimes of 79 odd-parity highly excited levels of neutral samarium in the
energy range from 18,985.70 to 34,189.56? cm^− 1 have been measured by time-resolved …

Theoretical studies of energy levels and transition data for Zr III

P Rynkun, G Gaigalas, P Jönsson - Astronomy & Astrophysics, 2020 - aanda.org
Aims. We seek to present accurate and extensive transition data for the Zr III ion. These data
are useful in many astrophysical applications. Methods. We used the multiconfiguration …