A comparative study of single and double pulse laser induced breakdown spectroscopy

Journal Article · Sat Aug 01 00:00:00 EDT 2009 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3190516· OSTI ID:21359348

Ahmed, Rizwan; Baig, M Aslam ^[1]

---

1. Atomic and Molecular Physics Laboratory, Quaid-i-Azam University, 45320 Islamabad, Pakistan and National Centre for Physics, Quaid-i-Azam University Campus, 45320 Islamabad (Pakistan)

A comparative study of single and double pulse laser induced breakdown spectroscopy (LIBS) using the fundamental (1064 nm) and the second harmonics (532 nm) of Nd:YAG lasers is presented. The double pulse collinear configuration yields more than three hundred times signal enhancement in the singly ionized aluminum lines as compared to the single pulse LIBS spectrum. The effect of interpulse delay between the two laser pulses and the laser pulses energies ratio in the double pulse spectrum are studied. A comparison of variations of plasma parameters along the plume axis in the single and the double pulse has also been studied.

• OSTI ID: 21359348
• Journal Information: Journal of Applied Physics, Vol. 106, Issue 3; Other Information: DOI: 10.1063/1.3190516; (c) 2009 American Institute of Physics; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALUMINIUM
BREAKDOWN
HARMONICS
LASER MATERIALS
NEODYMIUM LASERS
PLASMA
PLASMA HEATING
PLASMA PRODUCTION
PLUMES
PULSES
SPECTROSCOPY
ELEMENTS
HEATING
LASERS
MATERIALS
METALS
OSCILLATIONS
SOLID STATE LASERS