Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 467, Issue -, Pages 537-540Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0168-9002(01)00406-5
Keywords
VUV monochromator; synchrotron radiation; helical undulator
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The helical/linear undulator based beamline (BL9) with 3 m off-plane Eagle monochromator for the VUV region (4-40 eV) has been installed on a compact storage ring, HiSOR. The Rydberg series of Ar 3s3p (6)np P-1(1) up to n=25 has been measured, The resolving power was estimated to be >12 000 at 40 nm with the photon flux approximate to 9 x 10(9) photons/s. The ultimate resolving power was obtained from the measurements of the O-2 Schumann-Runge bands. The resolution derived from the deconvolution for the Voigt profile was 0.0061 nm (lambda/Delta lambda approximate to 30 000) in the 180 nm. wavelength range. (C) 2001 Elsevier Science B.V. All rights reserved.
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