NDLI: Development of a high-power capillary discharge for studying ablation at the micron scale

Content Provider	IEEE Xplore Digital Library
Author	Pachuilo, M. Stefani, F. Bengtson, R. Raja, L.
Copyright Year	2013
Description	Author affiliation: Univ. of Texas at Austin, Austin, TX, USA (Pachuilo, M.; Stefani, F.; Bengtson, R.; Raja, L.)
Abstract	Summary form only given. The objective of this work is to develop a capillary discharge for studying (at a very fundamental level) the processes by which materials ablate when exposed to cold (1-3 eV) thermal plasmas. A key requirement is a high degree of control over the composition, power, and energy of the plasma so that small but measureable amounts of damage can be produced and in turn compared to ablation rates predicted by first-principles computation using molecular dynamics (MD) simulations. This paper describes the design and performance of a non-consumable capillary discharge that uses a quartz liner, to produce a 1 eV argon plasma. The argon feed-gas contains 2% hydrogen for permitting additional spectroscopic diagnostics of the plasma. Measurements of plasma temperature, plasma density, and power are provided for various configurations of the power supply and capillary which was operated at 4 kV, and which used a flash lamp type circuit for initiating the discharge.
Starting Page	1
Ending Page	1
File Size	103685
Page Count	1
File Format	PDF
ISBN	9781467351713
ISSN	07309244
DOI	10.1109/PLASMA.2013.6635061
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Discharges (electric) Plasmas Educational institutions Power measurement Plasma measurements Argon
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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