Detail of beamline is described in "PF-XAFS Website"

Techniques

XAFS(X-ray Absorption Fine Structure)

  • Energy range: 2.1 - 15 keV (2.1 - 4 keV with SX mode)
  • Transmission mode: QXAFS
  • Fluorescent mode: Lytle detector, Multi Ge-SSD
  • Conversion electron yield (CEY) mode: Available with SX mode

Other experimental with monochromatized X-ray

  • Please contact us before experiment

Light source

PF Bending magnet #9

  • Ring energy: 2.5 GeV
  • Max. current: 450 mA (Usually Top-up operation)
  • Critical energy: 4 keV
  • Horizontal acceptance: 3 mrad

Beamline optics

Monochromator

  • Si(111) Water-cooled double crystal
  • Energy range: 2.1 - 15 keV
  • Cam-drive (Kohzu system)

Focusing system

  • Double Bent conical mirror (Rh coated)
    for collimating and forcusing
  • Standard beam size: 0.5H x 0.3V mm

Others

  • Double flat morror (Ni coated) for higher harmonics reduction

Performance

Focused and Monochromatized mode

  • Energy range: 4 - 15 keV
  • Energy resolution: ΔE/E～2×10-4 (9 keV)
  • Photon flux at sample position: 6x1011 phs/s (7 keV)

Soft X-ray(SX) mode (Focused and Monochromatized)

  • Energy range: 2.1 - 4 keV
  • Photon flux at sample position: 6x1010 phs/s (2.5 keV)

Experimantal station

Experimental hutch

  • Hatch size: 2.6L x 2.8W x 2.5H m
  • Door size: 1.88W x 2.39H m

Standard setup

  • Flat table size: 1500L x 1000W mm
  • XAFS setup: Ionization chumber, Ge-SSD, Cryocooler
  • SX setup: He filled CEY sample chamber

Beamline staff

Beamline manager

  • 阿部 仁 / ABE Hitoshi (KEK-PF)
    hitoshi.abe[@]kek.jp

Sub manager

  • 仁谷 浩明 / NITANI Hiroaki (KEK-PF)
    hiroaki.nitani[@]kek.jp
  • 丹羽 尉博 NIWA Yasuhiro (KEK-PF)
    yasuhiro.niwa[@]kek.jp
  • 松岡 亜衣 / MATSUOKA Ai (KEK-PF)
    ai.kamijo[@]kek.jp