NDLI: A new RF window designed for high-power operation in an S-band LINAC RF system

Content Provider	Springer Nature Link
Author	Hwang, Woonha Kim, Seung Hwan Joo, Youngdo Roh, Sungjoo Ryu, Jiwan
Copyright Year	2016
Abstract	A new RF window is designed for high-power operation at the Pohang Light Source-II (PLSII) S-band linear accelerator (LINAC) RF system. In order to reduce the strength of the electric field component perpendicular to the ceramic disk, which is commonly known as the main cause of most discharge breakdowns in ceramic disk, we replace the pill-box type cavity in the conventional RF window with an overmoded cavity. The overmoded cavity is coupled with input and output waveguides through dual side-wall coupling irises to reduce the electric field strength at the iris and the number of possible mode competitions. The finite-difference time-domain (FDTD) simulation, CST MWS, was used in the design process. The simulated maximum electric field component perpendicular to the ceramic for the new RF window is reduced by an order of magnitude compared with taht for the conventional RF window, which holds promise for stable high-power operation.
Starting Page	1070
Ending Page	1080
Page Count	11
File Format	PDF
ISSN	03744884
Journal	Journal of the Korean Physical Society
Volume Number	69
Issue Number	6
e-ISSN	19768524
Language	English
Publisher	The Korean Physical Society
Publisher Date	2016-10-04
Publisher Place	Seoul
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	LINAC Theoretical, Mathematical and Computational Physics FDTD simulation RF window Physics Particle and Nuclear Physics Electric field strength
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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