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Title: Laser-induced breakdown spectroscopy using mid-infrared femtosecond pulses

Abstract

Here, we report on a laser-induced breakdown spectroscopy (LIBS) experiment driven by mid-infrared (2.05-μm) fs pulses, in which time-resolved emission spectra of copper were studied. Ab-initio modeling is consistent with the results of new fs measurements at 2.05 μm and traditional 800-nm fs-LIBS. Ablation by mid-infrared fs pulses results in a plasma with a lower plasma density and temperature compared to fs-LIBS performed at shorter laser wavelength. LIBS driven by mid-infrared fs pulses results in a signal-to-background ratio ~50% greater and a signal-to-noise ratio ~40% lower than fs-LIBS at near-infrared laser wavelength.

Authors:
 [1]; ORCiD logo [2];  [2];  [2];  [3]
  1. Pennsylvania State Univ., University Park, PA (United States). Dept of Mechanical and Nuclear Engineering; Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  3. Pennsylvania State Univ., University Park, PA (United States). Dept of Mechanical and Nuclear Engineering
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States); Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); US Department of Homeland Security (DHS); USDOE Laboratory Directed Research and Development (LDRD) Program
Contributing Org.:
Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
OSTI Identifier:
1367664
Alternate Identifier(s):
OSTI ID: 1526944
Report Number(s):
LA-UR-15-21651
Journal ID: ISSN 0021-8979
Grant/Contract Number:  
NA0002534; DN-130-NF0001; 89233218CNA000001; 2012.05 DN-130-NF0001
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Applied Physics
Additional Journal Information:
Journal Volume: 118; Journal Issue: 4; Journal ID: ISSN 0021-8979
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Atomic and Nuclear Physics

Citation Formats

Hartig, K. C., Colgan, J., Kilcrease, D. P., Barefield, J. E., and Jovanovic, I. Laser-induced breakdown spectroscopy using mid-infrared femtosecond pulses. United States: N. p., 2015. Web. doi:10.1063/1.4927624.
Hartig, K. C., Colgan, J., Kilcrease, D. P., Barefield, J. E., & Jovanovic, I. Laser-induced breakdown spectroscopy using mid-infrared femtosecond pulses. United States. doi:10.1063/1.4927624.
Hartig, K. C., Colgan, J., Kilcrease, D. P., Barefield, J. E., and Jovanovic, I. Thu . "Laser-induced breakdown spectroscopy using mid-infrared femtosecond pulses". United States. doi:10.1063/1.4927624. https://www.osti.gov/servlets/purl/1367664.
@article{osti_1367664,
title = {Laser-induced breakdown spectroscopy using mid-infrared femtosecond pulses},
author = {Hartig, K. C. and Colgan, J. and Kilcrease, D. P. and Barefield, J. E. and Jovanovic, I.},
abstractNote = {Here, we report on a laser-induced breakdown spectroscopy (LIBS) experiment driven by mid-infrared (2.05-μm) fs pulses, in which time-resolved emission spectra of copper were studied. Ab-initio modeling is consistent with the results of new fs measurements at 2.05 μm and traditional 800-nm fs-LIBS. Ablation by mid-infrared fs pulses results in a plasma with a lower plasma density and temperature compared to fs-LIBS performed at shorter laser wavelength. LIBS driven by mid-infrared fs pulses results in a signal-to-background ratio ~50% greater and a signal-to-noise ratio ~40% lower than fs-LIBS at near-infrared laser wavelength.},
doi = {10.1063/1.4927624},
journal = {Journal of Applied Physics},
number = 4,
volume = 118,
place = {United States},
year = {2015},
month = {7}
}

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Works referenced in this record:

Influence of bandwidth and phase shaping on laser induced breakdown spectroscopy with ultrashort laser pulses
journal, May 2006

  • Gunaratne, Tissa; Kangas, Michael; Singh, Sherdeep
  • Chemical Physics Letters, Vol. 423, Issue 1-3, p. 197-201
  • DOI: 10.1016/j.cplett.2006.02.110