Synchrotron radiation for long wavelength spectroscopy

  • T. Nanba
  • J. Yarwood
  • T. Shuttleworth
  • J. B. Hasted


A fundamental radiometric measurement has been carried out in the spectral region 1–140 cm−1 which demonstrates the higher brightness of the synchrotron radiation source at Daresbury Laboratory over a high pressure mercury arc lamp source. Comparison of the output powers from the SRS and the mercury lamp revealed that the SRS has a particular advantage in the region where the wavelength of the emitted photon becomes very longer. The gain factor of the SRS at 10 cm−1 was at least 10 times of the mercury lamp at a storage ring current of about 90 mA.

A single period wiggler is considered to be a favorable device which will provide a higher level of photon fluxes from an electron storage ring in the long wavelength region.


Synchrotron Radiation Storage Ring Mercury Lamp Ring Current Synchrotron Radiation Source 
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Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • T. Nanba
    • 1
  • J. Yarwood
    • 2
  • T. Shuttleworth
    • 2
  • J. B. Hasted
    • 3
  1. 1.Department of PhysicsTohoku UniversitySendaiJapan
  2. 2.Department of ChemistryUniversity of DurhamDurhamUK
  3. 3.Department of PhysicsBirkbeck CollegeLondonUK

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