High-voltage testing of a 500-kV dc photocathode electron gun
Review of Scientific Instruments Volume 81 Issue 3
published_at 2010
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| File | |
| Title ( eng ) |
High-voltage testing of a 500-kV dc photocathode electron gun
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| Creator |
Nagai Ryoji
Hajima Ryoichi
Nishimori Nobuyuki
Muto Toshiya
Yamamoto Masahiro
Honda Yosuke
Miyajima Tsukasa
Iijima Hokuto
Kuwahara Makoto
Okumi Shoji
Nakanishi Tsutomu
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| Source Title |
Review of Scientific Instruments
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| Volume | 81 |
| Issue | 3 |
| Abstract |
A high-voltage dc photocathode electron gun was successfully conditioned up to a voltage of 550 kV and a long-time holding test for 8 h was demonstrated at an acceleration voltage of 500 kV. The dc photocathode electron gun is designed for future light sources based on energy-recovery linac and consists of a Cockcroft-Walton generator, a segmented cylindrical ceramic insulator, guard-ring electrodes, a support-rod electrode, a vacuum chamber, and a pressurized insulating gas tank. The segmented cylindrical ceramic insulator and the guard-ring electrodes were utilized to prevent any damage to the insulator from electrons emitted by the support-rod electrode.
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| Keywords |
ceramic insulators
electron guns
photocathodes
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| NDC |
Electrical engineering [ 540 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Institute of Physics
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| Date of Issued | 2010 |
| Rights |
Copyright 2010 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0034-6748
[DOI] 10.1063/1.3354980
[NCID] AA00817730
[URI] http://link.aip.org/link/?rsi/81/033304
[DOI] http://dx.doi.org/10.1063/1.3354980
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