Journal
IEEE TRANSACTIONS ON PLASMA SCIENCE
Volume 38, Issue 8, Pages 2052-2055Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPS.2010.2050784
Keywords
Combination of fundamental and second harmonic of Nd:YAG laser; dual-pulse collinear configuration; laser-induced breakdown spectroscopy (LIBS); magnesium plasma
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Funding
- Higher Education Commission (HEC)
- Quaid-i-Azam University (QAU) Islamabad
- Pakistan Science Foundation [PSF-134]
- National Centre for Physics (NCP) Islamabad, Pakistan
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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 enhancement in double-pulse laser-induced breakdown spectroscopy (LIBS) on magnesium target using two Nd:YAG lasers in collinear configuration. More than 350 times signal intensity enhancement is achieved in the neutral magnesium lines on an appropriate combination of laser wavelengths with the optimized values of the interpulse delay and the laser pulse energies ratio.
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