Ultrafast neutron detector
- Livermore, CA
The invention comprises a neutron detector (50) of very high temporal resolution that is particularly well suited for measuring the fusion reaction neutrons produced by laser-driven inertial confinement fusion targets. The detector comprises a biased two-conductor traveling-wave transmission line (54, 56, 58, 68) having a uranium cathode (60) and a phosphor anode (62) as respective parts of the two conductors. A charge line and Auston switch assembly (70, 72, 74) launch an electric field pulse along the transmission line. Neutrons striking the uranium cathode at a location where the field pulse is passing, are enabled to strike the phosphor anode and produce light that is recorded on photographic film (64). The transmission line may be variously configured to achieve specific experimental goals.
- Research Organization:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4667107
- OSTI ID:
- 866261
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
neutron
detector
comprises
50
temporal
resolution
particularly
suited
measuring
fusion
reaction
neutrons
produced
laser-driven
inertial
confinement
targets
biased
two-conductor
traveling-wave
transmission
line
54
56
58
68
uranium
cathode
60
phosphor
anode
62
respective
conductors
charge
auston
switch
assembly
70
72
74
launch
electric
field
pulse
striking
location
passing
enabled
strike
produce
light
recorded
photographic
film
64
variously
configured
achieve
specific
experimental
goals
switch assembly
neutrons produced
neutrons striking
confinement fusion
fusion targets
inertial confinement
fast neutron
electric field
transmission line
neutron detector
fusion target
photographic film
fusion reaction
detector comprises
charge line
temporal resolution
field pulse
produce light
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