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Laser-Induced Breakdown Spectroscopy at the DLR Laser Test Range

Pargmann, Carsten and Duschek, Frank and Handke, Jürgen (2010) Laser-Induced Breakdown Spectroscopy at the DLR Laser Test Range. 5th Security Research Conference, 07.-09. Sep. 2010, Berlin.

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A basic set-up for laser-induced breakdown spectroscopy (LIBS) at the DLR laser test range in Lampoldshausen and first LIBS spectra of selected samples are presented. The test range allows measurements in free atmosphere under daylight conditions at distances up to 130 m. With the help of a Cassegrain type telescope a pulsed Nd:YAG laser has been used to produce plasma on different samples at distances exceeding 50 m. The scattered light of the plasma was collected by a Newtonian telescope and analysed and detected by a gated spectrometer with an attached CCD camera. The plasma generating laser yields a maximum pulse energy of 800 mJ at a wavelength of 1064 nm and a pulse width of 8 ns. It also has the option to extract the second and third harmonics. LIBS spectra from 10 nm layers of gold on a silicon wafer, as well as from black powder and one of its main components, potassium nitrate, were recorded. The spectra are compared with respect to the laser wavelength, pulse energy, and energy density on the target.

Item URL in elib:https://elib.dlr.de/64594/
Document Type:Conference or Workshop Item (Poster)
Title:Laser-Induced Breakdown Spectroscopy at the DLR Laser Test Range
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Pargmann, Carstencarsten.pargmann (at) dlr.deUNSPECIFIED
Duschek, FrankFrank.Duschek (at) dlr.deUNSPECIFIED
Handke, Jürgenjuergen.handke (at) dlr.deUNSPECIFIED
Date:September 2010
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:stand-off detection, laser-induced breakdown spectroscopy, LIBS, hazardous substances, warfare agents
Event Title:5th Security Research Conference
Event Location:Berlin
Event Type:international Conference
Event Dates:07.-09. Sep. 2010
Organizer:Fraunhofer Group Defense and Security
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignment
DLR - Research theme (Project):L - Laser Research and Technology (old)
Location: Lampoldshausen
Institutes and Institutions:Institute of Technical Physics
Deposited By: Pargmann, Dr. Carsten
Deposited On:12 Jul 2010 10:55
Last Modified:12 Jul 2010 10:55

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