NDLI: NIF neutron bang time detector prototype test on OMEGA

Content Provider	IEEE Xplore Digital Library
Author	Glebov, V.Y. Stoeckl, C. Sangster, T.C. Roberts, S. Lerche, R.A. Schmid, G.J.
Copyright Year	1973
Abstract	The time interval between the beginning of the laser pulse and the peak of neutron emission (bang time) is an important characteristic of inertial confinement fusion (ICF) implosions, directly comparable to numerical simulation. For this reason, neutron bang time (NBT) detectors have been successfully operated on ICF facilities such as the Nova and OMEGA lasers, and have been proposed as a core diagnostic for the National Ignition Facility (NIF). Prototypes of the NBT detector suitable for the NIF have been built and tested on the 60-beam OMEGA laser system. These prototypes have three channels. The first, most-sensitive channel consists of a fast plastic scintillator coupled with a microchannel-plate (MCP) photomultiplier tube (PMT). The second and third channels are based on a synthetic polycrystalline diamond produced by chemical vapor deposition (CVD). These three independent channels will be able to cover a wide range of DD and DT neutron yields: from 1/spl times/10/sup 9/ to 1/spl times/10/sup 16/. The signals from the NBT prototype channels are recorded on a fast digital oscilloscope. Absolute timing was accomplished using the OMEGA optical fiducial system. The NIF NBT prototypes show better than 100-ps timing accuracy, satisfying the NIF specification.
Sponsorship	IEEE Nuclear and Plasma Sciences Society
Starting Page	70
Ending Page	76
Page Count	7
File Size	288159
File Format	PDF
ISSN	00933813
Volume Number	33
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neutrons Detectors Prototypes Testing Laser fusion Pulsed laser deposition Timing Optical pulses Radioactive decay Inertial confinement National Ignition Facility (NIF) neutron detectors neutrons
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Condensed Matter Physics

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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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