NDLI: Preliminary interferometric investigations of a demountable ignitron

Content Provider	IEEE Xplore Digital Library
Author	Loree, D.L. Burke, J.E. Giesselmann, M. Kristiansen, M.
Copyright Year	1989
Description	Author affiliation: Texas Tech University (Loree, D.L.)
Abstract	This paper describes preliminary Mach-Zehnder interferometry measurements done on a special demountable ignitron which has one set of throughports placed just below the bottom face of the anode. It is believed that this is the first set of interferometric diagnostics ever to be performed on a full size ignitron (15.24 cm diameter). Future knowledge of the discharge plasma charged particle density and other plasma behavior will help in the optimization of the ignitron for high peak power applications. The test system includes a 2.56 mF capacitor bank, a test stand of 1 /spl mu/H inductance, various voltage and current probes, a high speed rotating camera to record the fringe patterns, an Argon laser, and a Mach-Zehnder interferometer. The interferometer consists of a square chamber with a section cut out to insert the test stand, various mirrors and beam splitters with alignment motors, and a 2 watt argon laser as the light source. The demountable ignitron is operated as the crowbar switch in an underdamped system with the series switch being a commercial ignitron. The demountable ignitron was manufactured by National Electronics/Division of Richardson Electronics.
Starting Page	507
Ending Page	509
File Size	250723
Page Count	3
File Format	PDF
DOI	10.1109/PPC.1989.767535
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-06-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Plasma density Switches Plasma sources Laser beams System testing Particle beams Anodes Laser beam cutting Plasma applications Argon
Content Type	Text
Resource Type	Article

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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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