Fermi Lab Selects TAI’s Thermal Straps for LCLS-II-HE

LCLS-II Cryomodule Thermal Straps

Pictured: one of the cryomodules containing several dozen P5-502 and P6-502 Copper Thermal Straps from TAI (photo credit: FNAL.gov)

I am proud to announce that Fermi National Laboratory selected TAI to be the thermal strap supplier for SLAC’s Linac Coherent Light Source-II High Energy (LCLS-II-HE) project. For this upgrade to LCLS, TAI will supply nearly 1,500 of our standard model copper thermal straps (CuTS®) over 2021 and into 2022, which are used to cool the cryomodules being built by Fermi and Thomas Jefferson National Laboratories.

By adding these additional cryomodules to LCLS-II, LCLS-II-HE will increase the electron beam energy 2-fold, thereby increasing the spectral reach of the hard X-Ray undulator. This will lead to a number of important capabilities upgrades for LCLS-II, including:

  • A 2-3x greater increase in spectral brightness currently possible with diffraction-limited storage rings, or DLSR (DLSR are synchrotron light sources where the emittance of the electron-beam in the ring is smaller or comparable to the emittance of the x-ray photon beam they produce).
  • The ability to generate ultrafast hard X-ray pulses (a 100,000-fold improvement compared to DLSR’s), and
  • A 300x increase in the average spectral flus compared to existing or proposed DLSR.

LCLS-II UndulatorWhat does this all mean? Simply put, LCLS-II-HE will enable precision measurements on the atomic scale, which provide insights into the behaviors of complex matter on varying scales of time, energy, and length. Meaning LCLS-II-HE will provide researchers with a deeper understanding of fundamental processes in the chemistry, quantum materials, and biological sciences fields (among many others), and provide a more in-depth look at how matter behaves in very extreme environments.

The TAI team would like to thank the terrific scientists and administrative personnel at Fermi and Jefferson Lab, SLAC National Accelerator Lab, and the Department of Energy, for the amazing work that they do, and their continued business.

And, as always, a big thank you to TAI’s machinists, technicians, engineering and administrative staff for their work on this program!

Pictured top right: one of the superconducting undulators that is designed to "wiggle" electrons (photo credit: slac.stanford.edu)


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