DocumentCode :
2262131
Title :
Enhanced isotope enrichment by time-delayed laser-pulse pumping of ultrafast ablation plumes
Author :
VanRompay, P.A. ; Zhang, Z. ; Pronko, P.
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA
fYear :
2002
fDate :
24-24 May 2002
Firstpage :
95
Abstract :
Summary from only given. The present work experimentally examines dynamics through optical pumping in order to enhance the separation effect. We studied ablation plumes initiated by one laser pulse and subsequently driven by a second time-delayed pulse. The second pulse is delayed in order to allow the plasma to expand from its original over-dense condition and reach critical-density where more efficient absorption of the second pulse can occur. As a motivation for this work, we observed in previous experiments an interesting charge-state dependence to the enrichment effect, for all elements and laser pulses studied.
Keywords :
laser ablation; laser isotope separation; optical pumping; plasma density; plasma production by laser; ablation plumes; additionally ionized; charge states; charge-state dependence; critical-density; dynamics; laser pulse; optical pumping; over-dense condition; second pulse; separation effect; temporal evolution; time-delayed pulse; Delay effects; Free electron lasers; Isotopes; Laser ablation; Laser excitation; Optical pulses; Plasma chemistry; Plasma measurements; Pulsed laser deposition; Pump lasers;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Conference_Location :
Long Beach, CA, USA
Print_ISBN :
1-55752-706-7
Type :
conf
DOI :
10.1109/CLEO.2002.1033478
Filename :
1033478
Link To Document :
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