T. Houck
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View article: First commissioning experiments at DARHT-II
First commissioning experiments at DARHT-II Open
The second axis of the Dual Axis Radiographic Hydro-Test (DARHT) facility will provide up to four short (< 150 ns) radiation pulses for flash radiography of high-explosive driven implosion experiments. To accomplish this the DARBT-II li…
View article: Cathode Side-emission Mitigation for Linear Induction Accelerators
Cathode Side-emission Mitigation for Linear Induction Accelerators Open
Linear induction accelerators (LIAs) are one of the main technologies used in creating flash x-rays used for diagnosing hydrodynamic experiments. The quality of the data produced in these experiments is dependent on the dose of x-rays gene…
View article: Progress on the relativistic klystron two-beam accelerator prototype
Progress on the relativistic klystron two-beam accelerator prototype Open
The technical challenge for making two-beam accelerators into realizable power sources lies in the creation of the drive beam and in its propagation over long distances through multiple extraction sections. This year we have been construct…
View article: Study of the transverse beam motion in the DARHT Phase II accelerator
Study of the transverse beam motion in the DARHT Phase II accelerator Open
The accelerator for the second-axis of the Dual Axis Radiographic Hydrodynamic Test (DARHT) facility will accelerate a 4-kA, 3-MeV, 2--µs long electron current pulse to 20 MeV. The energy variation of the beam within the flat-top portion o…
View article: Using Drive Rods in Induction Cells to Reduce the Beam Break Up Instability
Using Drive Rods in Induction Cells to Reduce the Beam Break Up Instability Open
The beam breakup instability is an effect that must be heavily suppressed for optimum operation of high current induction accelerators. The RF modes generated inside the induction cells can deflect or degrade subsequent beam traversing the…
View article: Using Drive Rods in Inductions Cells to Reduce the Beam Break Up Instability
Using Drive Rods in Inductions Cells to Reduce the Beam Break Up Instability Open
The Beam Breakup Instability is a critical effect to reduce in high current induction accelerators. The RF modes generated inside the induction cells can deflect or degrade subsequent beam traversing the cell. Significant effort has been i…
View article: 50 MW X-Band RF System for a Photoinjector Test Station at LLNL
50 MW X-Band RF System for a Photoinjector Test Station at LLNL Open
In support of X-band photoinjector development efforts at LLNL, a 50 MW test station is being constructed to investigate structure and photocathode optimization for future upgrades. A SLAC XL-4 klystron capable of generating 50 MW, 1.5 mic…
View article: Overview of Current Progress on the LLNL Nuclear Photonics Facility and Mono-energetic Gamma-ray Source
Overview of Current Progress on the LLNL Nuclear Photonics Facility and Mono-energetic Gamma-ray Source Open
A new class of -ray light source based on Compton scattering is made possible by recent progress in accelerator physics and laser technology. Mono-energetic -rays are produced from collisions between a highbrightness, relativistic elec…
View article: The Application of Kiuttu’s Formulation to Study Coaxial Flux Compression Generators
The Application of Kiuttu’s Formulation to Study Coaxial Flux Compression Generators Open
A class of flux compression generators (FCGs) is based on the compression of the cross-sectional area of a coaxial geometry where the current flows along the outer conductor and returns through the inner conductor. This compression causes …
View article: X-Band Test Station at Lawrence Livermore National Laboratory
X-Band Test Station at Lawrence Livermore National Laboratory Open
An X-band multi-bunch test station is being built at LLNL to investigate the science and technology paths required to boost the current mono-energetic gamma-ray (MEGa-Ray) brightness by orders of magnitude. The test station will consist of…