A low emittance and high efficiency visible light photocathode for high brightness accelerator-based X-ray light sources

T. Vecchione; I. Ben-Zvi; D. H. Dowell; J. Feng; T. Rao; J. Smedley; W. Wan; H. A. Padmore

doi:10.1063/1.3612916

A low emittance and high efficiency visible light photocathode for high brightness accelerator-based X-ray light sources

T. Vecchione
, I. Ben-Zvi
, D. H. Dowell
, J. Feng
, T. Rao
, J. Smedley
, W. Wan
, H. A. Padmore

Physics and Astronomy

Lawrence Berkeley National Laboratory
SLAC National Accelerator Laboratory
Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

75 Scopus citations

Abstract

Free-electron lasers and energy recovery linacs represent a new generation of ultra-high brightness electron accelerator based x-ray sources. Photocathodes are a critical performance-limiting component of these systems. Here, we describe the development of photocathodes based on potassium-cesium-antimonide that satisfy many of the key requirements of future light sources, such as robustness, high quantum efficiency when excited with visible light, and low transverse emittance.

Original language	English
Article number	034103
Journal	Applied Physics Letters
Volume	99
Issue number	3
DOIs	https://doi.org/10.1063/1.3612916
State	Published - Jul 18 2011

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abstract = "Free-electron lasers and energy recovery linacs represent a new generation of ultra-high brightness electron accelerator based x-ray sources. Photocathodes are a critical performance-limiting component of these systems. Here, we describe the development of photocathodes based on potassium-cesium-antimonide that satisfy many of the key requirements of future light sources, such as robustness, high quantum efficiency when excited with visible light, and low transverse emittance.",

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AU - Vecchione, T.

AU - Ben-Zvi, I.

AU - Dowell, D. H.

AU - Feng, J.

AU - Rao, T.

AU - Smedley, J.

AU - Wan, W.

AU - Padmore, H. A.

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N2 - Free-electron lasers and energy recovery linacs represent a new generation of ultra-high brightness electron accelerator based x-ray sources. Photocathodes are a critical performance-limiting component of these systems. Here, we describe the development of photocathodes based on potassium-cesium-antimonide that satisfy many of the key requirements of future light sources, such as robustness, high quantum efficiency when excited with visible light, and low transverse emittance.

AB - Free-electron lasers and energy recovery linacs represent a new generation of ultra-high brightness electron accelerator based x-ray sources. Photocathodes are a critical performance-limiting component of these systems. Here, we describe the development of photocathodes based on potassium-cesium-antimonide that satisfy many of the key requirements of future light sources, such as robustness, high quantum efficiency when excited with visible light, and low transverse emittance.

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A low emittance and high efficiency visible light photocathode for high brightness accelerator-based X-ray light sources

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