A pulse-burst laser system for a high-repetition-rate Thomson scattering diagnostic
Creators
- 1. Department of Physics and Center for Magnetic Self-Organization in Laboratory and Astrophysical Plasmas, University of Wisconsin-Madison, Madison, Wisconsin 53706 (United States)
- 2. Department of Mechanical Engineering, Ohio State University, Columbus, Ohio 43210 (United States)
Description
A ''pulse-burst'' laser system is being constructed for addition to the Thomson scattering diagnostic on the Madison Symmetric Torus (MST) reversed-field pinch. This laser is designed to produce a burst of up to 200 approximately 1 J Q-switched pulses at repetition frequencies 5-250 kHz. This laser system will operate at 1064 nm and is a master oscillator, power amplifier. The master oscillator is a compact diode-pumped Nd:YVO4 laser, intermediate amplifier stages are flashlamp-pumped Nd:YAG, and final stages will be flashlamp-pumped Nd:glass (silicate). Variable pulse width drive (0.3-20 ms) of the flashlamps is accomplished by insulated-gate bipolar transistor switching of large electrolytic capacitor banks. The burst train of laser pulses will enable the study of electron temperature (Te) and electron density (ne) dynamics in a single MST shot, and with ensembling, will enable correlation of Te and ne fluctuations with other fluctuating quantities.
Additional details
Identifiers
- DOI
- 10.1063/1.2965733;
Publishing Information
- Journal Title
- Review of Scientific Instruments
- Journal Volume
- 79
- Journal Issue
- 10
- Journal Page Range
- p. 10E736-10E736.4
- ISSN
- 0034-6748
- CODEN
- RSINAK
Conference
- Title
- 17. topical conference on high-temperature plasma diagnostics
- Acronym
- HTPD08
- Dates
- 11-15 May 2008
- Place
- Albuquerque, NM (United States)
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 41016049
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY; S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- CAPACITORS; ELECTRON DENSITY; ELECTRON TEMPERATURE; GLASS; KHZ RANGE; NEODYMIUM; NEODYMIUM LASERS; OSCILLATORS; PLASMA DIAGNOSTICS; POWER AMPLIFIERS; PULSES; Q-SWITCHING; REVERSED-FIELD PINCH DEVICES; REVERSE-FIELD PINCH; SILICATES; THOMSON SCATTERING; TRANSISTORS; VANADATES
- Descriptors DEC
- AMPLIFIERS; CLOSED PLASMA DEVICES; ELECTRICAL EQUIPMENT; ELECTRONIC EQUIPMENT; ELEMENTS; EQUIPMENT; FREQUENCY RANGE; INELASTIC SCATTERING; LASERS; METALS; OXYGEN COMPOUNDS; PINCH DEVICES; PINCH EFFECT; RARE EARTHS; SCATTERING; SEMICONDUCTOR DEVICES; SILICON COMPOUNDS; SOLID STATE LASERS; THERMONUCLEAR DEVICES; TOROIDAL PINCH DEVICES; TRANSITION ELEMENT COMPOUNDS; VANADIUM COMPOUNDS
Optional Information
- Notes
- (c) 2008 American Institute of Physics