AI Article Synopsis

  • The generation of high-quality coherent synchrotron radiation (CSR) is influenced by the rf system characteristics of electron storage rings, particularly frequency and gap voltage.
  • Researchers at the MIT-Bates South Hall Ring have detected intense CSR, nearing THz frequencies, due to their high-frequency S-band rf system.
  • At a stored current of 2 mA, the CSR showed intensity levels up to 10,000 times the background, but also revealed significant beam instabilities that need to be addressed for effective THz source development.

Article Abstract

The generation of brilliant, stable, and broadband coherent synchrotron radiation (CSR) in electron storage rings depends strongly on ring rf system properties such as frequency and gap voltage. We have observed intense coherent radiation at frequencies approaching the THz regime produced by the MIT-Bates South Hall Ring, which employs a high-frequency S-band rf system. The measured CSR spectral intensity enhancement with 2 mA stored current was up to 10,000 times above background for wave numbers near 3 cm(-1). The measurements also uncovered strong beam instabilities that must be suppressed if such a very high rf frequency electron storage ring is to become a viable coherent THz source.

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Source
http://dx.doi.org/10.1103/PhysRevLett.96.064801DOI Listing

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