Physics
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994htpd.conf....8b&link_type=abstract
Presented at the 10th Topical Conference on High-Temperature Plasma Diagnostics, Rochester, NY, 8-12 May 1994
Physics
High Temperature Plasmas, Plasma Diagnostics, Spectrographs, X Ray Spectroscopy, Bragg Angle, Hohlraums, Imaging Techniques, Microchannel Plates, Spatial Resolution, Temporal Resolution
Scientific paper
Spectroscopic diagnostics have great potential to obtain high temperature measurements of plasmas created in ICF targets. The plasmas may be over 1 mm in size and therefore, one of the first steps in making accurate spectroscopic measurements has been to improve the resolution of the instrument. A spectrograph is now available for Nova experiments which takes advantage of gated technology by coupling a Bragg crystal to a microchannel plate that can record data over a 250 ps time frame. The crystal disperses the x-rays, while slits add the ability to image the plasmas in the perpendicular direction. The characteristics of this diagnostic, TSPEC, will be evaluated for laser-produced plasmas. Recent data will be presented from colliding plasmas and large-scale hohlraums which indicate that imaging can greatly enhance the ability to diagnose these plasmas.
Back Christina A.
Bell Paul
Kauffman Robert L.
Kilkenny Joseph D.
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