Use of a mirror as the first optical component for an undulator beamline at the APS
In the design of Sector II of the Synchrotron Radiation Instrumentation (SRI) CAT, an x-ray mirror with multiple coatings is chosen as the first optical component of the undulator beamline. Two significant advantages of using the mirror are: A significant reduction in the peak radiation heat flux and total power on the downstream monochromator, and (2) availability of the wide-bandpass undulator spectrum between 0--30 key to experimental stations with substantially reduced radiation shielding requirements. The second advantage also allows us to place the monochromator outside the first optics enclosure (FOE) at a large distance from the source to further reduce the peak heat flux on the monochromator. The combined effect is that the inclined crystal monochromator may not be necessary, and a multilayer monochromator can be used because the expected heat fluxes are less than the value that has been demonstrated for those monochromators.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 7035947
- Report Number(s):
- ANL/APS/TB-2; ON: DE93001338
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ADVANCED PHOTON SOURCE
MIRRORS
BEAM OPTICS
CRYSTALS
DESIGN
HEAT FLUX
MONOCHROMATORS
SHIELDING
SILICON
WIGGLER MAGNETS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
MAGNETS
RADIATION SOURCES
SEMIMETALS
SYNCHROTRON RADIATION SOURCES
430303* - Particle Accelerators- Experimental Facilities & Equipment