Effects of pressure on the optical emissions observed from solids immersed in water using a single pulse laser
Effects of pressure on the optical emissions observed from solids immersed in water using a single pulse laser
The effects of pressure on the optical emissions of a laser ablated zinc plate immersed in water have been investigated. Well defined emission spectra were observed from plumes generated directly underwater after excitation using a single laser pulse of duration <10 ns. It was demonstrated that an increase in water pressure from 0.1 to 30 MPa (300 atm) does not have any significant effect on the intensity, broadness, or fluorescence lifetime of the observed spectra. The results suggest that laser-induced breakdown spectroscopy is, in principle, a technique suitable for in situ elemental analysis of deep sea minerals.
1-3
Thornton, Blair
8293beb5-c083-47e3-b5f0-d9c3cee14be9
Ura, Tamaki
b8fea5ba-e731-40fd-8544-1db1ca9f356b
19 January 2011
Thornton, Blair
8293beb5-c083-47e3-b5f0-d9c3cee14be9
Ura, Tamaki
b8fea5ba-e731-40fd-8544-1db1ca9f356b
Thornton, Blair and Ura, Tamaki
(2011)
Effects of pressure on the optical emissions observed from solids immersed in water using a single pulse laser.
Applied Physics Express, 4 (22702), .
(doi:10.1143/APEX.4.022702).
Abstract
The effects of pressure on the optical emissions of a laser ablated zinc plate immersed in water have been investigated. Well defined emission spectra were observed from plumes generated directly underwater after excitation using a single laser pulse of duration <10 ns. It was demonstrated that an increase in water pressure from 0.1 to 30 MPa (300 atm) does not have any significant effect on the intensity, broadness, or fluorescence lifetime of the observed spectra. The results suggest that laser-induced breakdown spectroscopy is, in principle, a technique suitable for in situ elemental analysis of deep sea minerals.
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Accepted/In Press date: 10 December 2010
Published date: 19 January 2011
Organisations:
Fluid Structure Interactions Group
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Local EPrints ID: 400021
URI: http://eprints.soton.ac.uk/id/eprint/400021
PURE UUID: d9fe3744-9c0d-4045-b9de-d6e60c8c483a
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Date deposited: 12 Sep 2016 15:53
Last modified: 15 Mar 2024 02:07
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Author:
Tamaki Ura
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