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Title: Femtosecond filament-laser ablation molecular isotopic spectrometry

Journal Article · · Spectrochimica Acta. Part B, Atomic Spectroscopy
 [1];  [2];  [2];  [3];  [2];  [2]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Ocean Univ. of China, Qingdao (People's Republic of China)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  3. Ocean Univ. of China, Qingdao (People's Republic of China)

A new remote sensing technology for real-time isotopic analysis is introduced: Femtosecond Filament-Induced Laser Ablation Molecular Isotopic Spectrometry (F2-LAMIS). The technique combines femtosecond (fs) laser filamentation and ablation-based molecular isotopic spectroscopy, thereby enabling isotopic analysis of samples at a distance, in ambient air and at ambient pressure conditions. Isotopic analysis of zirconium (Zr) samples by F2-LAMIS is demonstrated, and the molecular and atomic emission intensity, and properties of the filament-induced plasma generated at different filament propagation distances were investigated. Spectral fitting of F2-LAMIS spectra enabled semi-quantitative isotopic analysis without the use of calibration standards, which was independent of the filament propagation distance for the studied range. As a result, this technology provides new capabilities for direct isotopic ratio measurements at remote distances.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1532167
Alternate ID(s):
OSTI ID: 1251863
Journal Information:
Spectrochimica Acta. Part B, Atomic Spectroscopy, Vol. 113, Issue C; ISSN 0584-8547
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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