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High quantum efficiency photocathode simulation for the investigation of novel structured designs.
Opachich, Y P; Ross, P W; MacPhee, A G; Hilsabeck, T J; Nagel, S R; Huffman, E; Bell, P M; Bradley, D K; Koch, J A; Landen, O L.
Afiliación
  • Opachich YP; National Security Technologies LLC, Livermore, California 94550, USA.
  • Ross PW; National Security Technologies LLC, Livermore, California 94550, USA.
  • MacPhee AG; Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
  • Hilsabeck TJ; General Atomics, San Diego, California 92121, USA.
  • Nagel SR; Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
  • Huffman E; National Security Technologies LLC, Livermore, California 94550, USA.
  • Bell PM; Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
  • Bradley DK; Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
  • Koch JA; National Security Technologies LLC, Livermore, California 94550, USA.
  • Landen OL; Lawrence Livermore National Laboratory, Livermore, California 94551, USA.
Rev Sci Instrum ; 85(11): 11D625, 2014 Nov.
Article en En | MEDLINE | ID: mdl-25430201
ABSTRACT
A computer model in CST Studio Suite has been developed to evaluate several novel geometrically enhanced photocathode designs. This work was aimed at identifying a structure that would increase the total electron yield by a factor of two or greater in the 1-30 keV range. The modeling software was used to simulate the electric field and generate particle tracking for several potential structures. The final photocathode structure has been tailored to meet a set of detector performance requirements, namely, a spatial resolution of <40 µm and a temporal spread of 1-10 ps. We present the details of the geometrically enhanced photocathode model and resulting static field and electron emission characteristics.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Tipo de estudio: Prognostic_studies Idioma: En Revista: Rev Sci Instrum Año: 2014 Tipo del documento: Article País de afiliación: Estados Unidos