Advanced Light Source storage ring RF system
B. Taylor,Kenneth Baptiste,H. Lancaster,C.C. Lo +3 more
- 20 Mar 1989
- pp 124-125
TL;DR: The ALS (Advanced Light Source) RF system splits 300 kW of CW 500-MHz power between two single cell cavities as mentioned in this paper, which has some advantages such as simplifying the waveguide feed system and releasing room in straight sections for insertion devices.
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Abstract: The ALS (Advanced Light Source) RF system splits 300 kW of CW 500-MHz power between two single cell cavities. Compared to past practice this power rating is high. The use of only two cavities, however, has some advantages. It simplifies the waveguide feed system and releases room in straight sections for insertion devices; more importantly, it reduces higher-order-mode and beam impedance problems. >
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Citations
The ALS storage ring RF system
B. Taylor,C.C. Lo,K. Baptiste,J. Guigli,F. Julian +4 more
- 17 May 1993
TL;DR: The ALS storage ring RF system is characterized by the use of the following features: 1. high power loading of two single cell cavities. 2. use of a tubular ceramic input window employing aperture coupling as discussed by the authors.
Higher Order Mode Damping in an ALS Test Cavity
A. F. Jacob,Glen R. Lambertson,W. Barry +2 more
- 01 Jun 1990
TL;DR: In this article, the authors proposed a higher order mode attenuation scheme for the Advanced Light Source accelerating cavities consisting of two broad-band dampers placed 90 degrees apart on the outer edge.
Advanced Light Source Master Oscillator
C.C. Lo,B. Taylor,Kenneth Baptiste +2 more
- 20 Mar 1989
TL;DR: The Master Oscillator of the Advanced Light Source (ALS) operates at a frequency of 499.654 MHz, which is the 328th harmonic of the storage ring as discussed by the authors.
References
Computer-aided studies of the ALS 500 MHz storage ring cavity
TL;DR: In this paper, the design of the ALS (Advanced Light Source) storage ring 500-MHz cavity has been modeled with Mafia and Urmel codes, and the effects of the holes cut for the drive port, the higher-order mode damping port, probe port, and tuner were modeled with the Mafia codes.
SRS R. F. Cavity Windows
TL;DR: In order to provide broadband and high coupling factors the SRS uses an aperture type window as mentioned in this paper, and several failures were caused by the growth of high conductivity areas on the windows, resulting in additional local heating and eventual thermal runaway.
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