Gerald Seitz
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View article: Electron beam dynamics in the long-pulse, high-current DARHT-II linear induction accelerator
Electron beam dynamics in the long-pulse, high-current DARHT-II linear induction accelerator Open
We are now operating the 74-cell DART-II linear induction accelerator (LIA) at its full energy, accelerating 2-kA electron beams to more than 17 MeV. The injector produces a beam pulse with a full-width at half maximum (FWHM) greater than …
View article: Electron beam dynamics in the DARHT-II linear induction accelerator
Electron beam dynamics in the DARHT-II linear induction accelerator Open
The DARHT-II linear induction accelerator (LIA) accelerates a 2-kA electron beam to more than 17 MeV. The beam pulse has a greater than 1.5-microsecond flattop region over which the electron kinetic energy is constant to within 1%. The bea…
View article: Multi-phasic explosive fracturing system
Multi-phasic explosive fracturing system Open
Disclosed herein are embodiments of precursor components (or compositions thereof) that can be combined with one or more additional components (or compositions thereof) to form an explosive composition. The disclosed precursor components (…
View article: Low noise, high bandwidth, high sensitivity laser seismometer
Low noise, high bandwidth, high sensitivity laser seismometer Open
A laser seismometer may measure the change in a phase modulated optical signal. Unlike traditional interferometers, the laser phase is first modulated by a radio frequency (RF) source, which is then demodulated following detection to provi…
View article: System for fracturing an underground geologic formation
System for fracturing an underground geologic formation Open
An explosive system for fracturing an underground geologic formation adjacent to a wellbore can comprise a plurality of explosive units comprising an explosive material contained within the casing, and detonation control modules electrical…
View article: Detonation command and control
Detonation command and control Open
The detonation of one or more explosive charges and propellant charges by a detonator in response to a fire control signal from a command and control system comprised of a command center and instrumentation center with a communications lin…
View article: Source Physics Experiment Phase II Dry Alluvium Geology (DAG) Experiments Design Reviews
Source Physics Experiment Phase II Dry Alluvium Geology (DAG) Experiments Design Reviews Open
surface. DAG-1 had a trinitrotoluene (TNT) equivalent yield of 0.908 metric tons (2,002 pounds [lbs]). DAG-2 was conducted on December 19, 2018, at 18:45:56.92115 UTC. This test was the largest in the series, with a TNT equivalent yield of…