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RF measurements of a C-band cavity beam position monitor*

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2008 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences
, , Citation Chu Jian-Hua et al 2008 Chinese Phys. C 32 385 DOI 10.1088/1674-1137/32/5/012

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Author affiliations

1 Shang Institute of Applied Phsyics, Chinese Academy of Sciences, Shanghai 201800, China

2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

3 Department of Engineering Physics, Tsinghua University, Beijing 100084, China

Dates

  1. Received 19 July 2007
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1674-1137/32/5/385

Abstract

RF cold test of a novel C-band cavity beam position monitor (PBM) to be used in the SDUVFEL Test Facility is described. The test results are presented and some characteristics discussed. The main parameters obtained are in reasonable agreement with the analytical estimations. Effective suppression of the common mode has been demonstrated. The position sensitivity over the test region of ±0.5 mm is about −21.58 dB/10 μm for the TM110 mode and is linear in the central region of the BPM cavity.

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Footnotes

  • * 

    Supported by Development Plan of the State Key Fundamental Research (2002CB713600)

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10.1088/1674-1137/32/5/012