Cut disk structure type RF-deflector for slice emittance measurement for RF-gun at SuperKEKB

Inoue, Akira; Natsui, Takuya; Yoshida, Mitsuhiro

doi:10.1016/j.egypro.2017.09.431

Cited by 1 publication

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References 6 publications

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“…(a) At SARI [53], the researcher gave a special view on the emission process of K2CsS photocathode as shown in Figure 12: the electron bunch is divided by "electron slice" in side the cathode material, which separately contributes to the intrinsic emittance, just a the slice emittance contributes to the final emittance [71]. The scattering probability in creases with the transport distance and more electron energy would lose during the scat tering process.…”

Section: Physics Of the Emission Processmentioning

confidence: 99%

Overview of the Semiconductor Photocathode Research in China

Xie

2021

Micromachines

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With the growing demand from scientific projects such as the X-ray free electron laser (XFEL), ultrafast electron diffraction/microscopy (UED/UEM) and electron ion collider (EIC), the semiconductor photocathode, which is a key technique for a high brightness electron source, has been widely studied in China. Several fabrication systems have been designed and constructed in different institutes and the vacuum of most systems is in the low 10−8 Pa level to grow a high QE and long lifetime photocathode. The QE, dark lifetime/bunch lifetime, spectral response and QE map of photocathodes with different kinds of materials, such as bialkali (K2CsSb, K2NaSb, etc.), Cs2Te and GaAs, have been investigated. These photocathodes will be used to deliver electron beams in a high voltage DC gun, a normal conducting RF gun, and an SRF gun. The emission physics of the semiconductor photocathode and intrinsic emittance reduction are also studied.

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Section: Physics Of the Emission Processmentioning

confidence: 99%

Overview of the Semiconductor Photocathode Research in China

Xie

2021

Micromachines

View full text Add to dashboard Cite

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Cut disk structure type RF-deflector for slice emittance measurement for RF-gun at SuperKEKB

Cited by 1 publication

References 6 publications

Overview of the Semiconductor Photocathode Research in China

Overview of the Semiconductor Photocathode Research in China

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