Prototypes of NIF Neutron Time-of-Flight Detectors Tested on OMEGA
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چکیده
Every large ICF laser facility, including Nova, OMEGA, and GEKKO, uses neutron time-of-flight (nTOF) systems to measure neutron yields and ion temperatures. Such nTOF systems are usually based on current-mode detectors consisting of a fast plastic scintillator optically coupled to a fast photomultiplier tube (PMT). A high-bandwidth transient digitizer records the signal. These systems, which are relatively inexpensive, have a large dynamic range and a fast time response. The nTOF detectors are reliable, and the information they record is fundamental to most ICF implosion experiments. It is for these reasons that the nTOF system was identified as a “core” diagnostic3 for the NIF.
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