Design and Testing of a High Power, Ultra-high Vacuum, Dual-directional Coupler for the Advanced Photon Source (APS) Linear Accelerator
Design and Testing of a High Power, Ultra-high Vacuum, Dual-directional Coupler for the Advanced Photon Source (APS) Linear Accelerator

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Published: 1995

Total Pages: 3

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Leaks and cracks have developed in the vacuum windows of the linac WR 284 waveguide directional couplers. In the existing coupler design the vacuum window is brazed to the waveguide. Replacement of a cracked window requires the removal of the component from the waveguide system resulting in a loss of vacuum in the waveguide. A new design has been developed and a prototype tested that utilizes bolted-in vacuum windows and allows for easier replacement of the windows in the system, while still providing suitable radio frequency (rf) specifications.