Performance of X-ray Beam lines at Superconducting Wavelength Shifter

Journal Article · Fri Jan 19 00:00:00 EST 2007 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.2436183· OSTI ID:21052640

Song, Y F; Chang, C H; Liu, C Y; Chang, S H; Jeng, U; Lai, Y H; Liu, D G; Yin, G C; Lee, J F; Sheu, H S; Chung, S C; Tsang, K L; Liang, K S ^[1]; Hwu, Y ^[2]

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1. National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan (China)
2. Institute of Physics, Academia Sinica, Taipei 11529, Taiwan (China)

To fully utilize a hard X-ray source generated by a 5-Tesla superconducting wavelength shifter (SWLS) that shifts the critical energy of synchrotron spectrum from 2.1 to 7.5 keV, we have designed and constructed three hard X-ray beamlines, BL01A, BL01B, and BL0IC. BL01A is a white light beamline for phase-contrast X-ray image applications. The spatial resolution of phase-contrast X-ray image is 1 {mu}m. The photon flux can saturate a camera of 700-microns field-of-view within 10 ms. BL01B equipped with a double crystal monochromator (DCM) and a toroidal focusing mirror, which provides photon beams with energies from 5 to 20 keV, is adequate for scattering related experiments and hard X-ray microscopy. The energy-resolution {delta}E/E is 1 x 10-3. The photon flux is optimized to be 4.5 x 1011 photons s-1 with 200 mA ring current, which outcasts the flux of the wiggler beamline BL17B by 110 times at 15 keV. BL01C equipped with a DCM and both collimating and focusing mirrors, covering photon energies from 6 to 33 keV, is ideal for EXAFS and X-ray diffraction (XRD) experiments. The average photon flux is 3 x 1010 photons s-1 with 200 mA ring current. The energy-resolution is between 1.7 x 10-4 and 3.0 x 10-4. In this article, we will present the measured performance of these beamlines.

• OSTI ID: 21052640
• Journal Information: AIP Conference Proceedings, Vol. 879, Issue 1; Conference: 9. international conference on synchrotron radiation instrumentation, Daegu (Korea, Republic of), 28 May - 2 Jun 2006; Other Information: DOI: 10.1063/1.2436183; (c) 2007 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
ABSORPTION SPECTROSCOPY
CRYSTALS
ENERGY RESOLUTION
FINE STRUCTURE
FOCUSING
HARD X RADIATION
KEV RANGE
MIRRORS
MONOCHROMATORS
PERFORMANCE
PHASE SHIFT
PHOTON BEAMS
PHOTONS
RING CURRENTS
SPATIAL RESOLUTION
SUPERCONDUCTING DEVICES
SYNCHROTRON RADIATION
WAVELENGTHS
X-RAY DIFFRACTION
X-RAY SPECTROSCOPY