Beam Position Monitor for the PAL-XFEL Laser Heater

Beam Position Monitor for the PAL-XFEL Laser Heater

A beam position monitor (BPM) has been developed to monitor the position of an electron beam in the laser heater of the X-ray free electron laser at the Pohang Accelerator Laboratory (PALXFEL). The BPM for the laser heater (LH-BPM) is based on a strip-line type. The LH-BPM consists of a pair of uppe...

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Veröffentlicht in:Journal of the Korean Physical Society 2018, 73(8), , pp.1131-1136
Hauptverfasser: Hong, Juho, Han, Jang-Hui, Kim, Changbum, Shin, Dongchul
Format: Artikel
Sprache:eng
Schlagworte:
Electron beams
Free electron lasers
Laser beams
Lasers
Mathematical and Computational Physics
Particle and Nuclear Physics
Physics
Physics and Astronomy
Theoretical
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Zusammenfassung:A beam position monitor (BPM) has been developed to monitor the position of an electron beam in the laser heater of the X-ray free electron laser at the Pohang Accelerator Laboratory (PALXFEL). The BPM for the laser heater (LH-BPM) is based on a strip-line type. The LH-BPM consists of a pair of upper and lower blocks. Two strip-lines are in each block. In this paper, we report on the physical motivation, design considerations, cold tests, and typical results for the LH-BPM currently in use at the PAL-XFEL.
ISSN:0374-4884
1976-8524
DOI:10.3938/jkps.73.1131