First Name: R.
Middle Name: B.
Last Name: Yoder
Full Name: R.B. Yoder
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3 papers
| title: | Breakdown Limits on Gigavolt-per-Meter Electron-Beam-Driven Wakefields in Dielectric Structures |
| format: | journal article |
| year: | May 27, 2008 |
| 15 authors: | | | | | | | | | | | | | | | |
| abstract: | First measurements of the breakdown threshold in a dielectric subjected to GV=m wakefields produced by short (30 – 330 fs), 28.5 GeV electron bunches have been made. Fused silica tubes of 100 |
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| title: | Simulation of and progress towards a micron-scale laser-powered dielectric electron source |
| format: | conference procceeding |
| conference: | EPAC 2008 |
| year: | 2008 |
| 5 authors: | | | | | |
| abstract: | A dielectric, slab-symmetric structure for generating and accelerating low-energy electrons has been under study for the past two years. The resonant device is driven by a side-coupled laser and is configured to maintain field profiles necessary for synchronous acceleration and focusing of nonrelativistic particles. Intended applications of the structure include the production of radiation for medical treatments, imaging, and industrial uses. Results from 3D simulation of the structure geometry and its resonant properties are presented here. |
| keywords: | pbpl_pub |
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| title: | Laser-Powered Dielectric Structure as a Micron-Scale Electron Source |
| format: | conference procceeding |
| conference: | PAC07 |
| year: | 2007 |
| 3 authors: | | | |
| abstract: | We describe a resonant laser-powered structure, measur- ing 1 mm or less in every dimension, that is capable of generating and accelerating electron beams to low ener- gies ( ∼ 1–2 MeV). Like several other recently investigated dielectric-based accelerators, the device is planar and res- onantly excited with a side-coupled laser; however, exten- sive modifications are necessary for synchronous accelera- tion and focusing of nonrelativistic particles. Electrons are generated within the device via a novel ferroelectric-based cathode. The accelerator is constructed from dielectric ma- terial using conventional microfabrication techniques and powered by a 1-μm gigawatt laser. The electron beams pro- duced are suitable for a number of existing industrial and medical applications. |
| keywords: | pbpl_pub |
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