Thermo-mechanical analysis of the white-beam slits for an undulator beamline at the Advanced Photon Source

Journal Article · Wed Feb 01 04:00:00 EST 1995 · Review of Scientific Instruments; (United States)

DOI:https://doi.org/10.1063/1.1145834· OSTI ID:6865636

Nian, H L.T.; Shu, D; Kuzay, T M ^[1]

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1. Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439 (United States)

A set of precision horizontal and vertical white-beam slits has been designed for an undulator beamline at the Advanced Photon Source. Due to the powerful x-ray heat flux emitted by the undulator, it is difficult to control the thermal distortion within the desired range of 1--2 [mu]m. We analyzed many conceptual designs in an attempt to minimize the thermal distortion of the slits. Even with 1-mm-thick, low-[ital Z] material (graphite) coated on the heating surface of a traditional slit, the maximum thermal distortion is over 25 [mu]m. A three-piece slit was then designed to satisfy the requirements. It consists of one large block, two tungsten knife edges, and an OFHC cooling tube (filled with copper mesh) brazed inside the large block. The thermal distortion at the knife edges of this three-piece slit is less than 2 [mu]m.

• Research Organization: Argonne National Laboratory (ANL), Argonne, IL
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6865636
• Journal Information: Review of Scientific Instruments; (United States), Journal Name: Review of Scientific Instruments; (United States) Vol. 66:2; ISSN 0034-6748; ISSN RSINAK
• Country of Publication: United States
• Language: English

Related Subjects

43 PARTICLE ACCELERATORS
430303* -- Particle Accelerators-- Experimental Facilities & Equipment
ADVANCED PHOTON SOURCE
BEAM SHAPING
BREMSSTRAHLUNG
COOLING SYSTEMS
DEFORMATION
ELECTROMAGNETIC RADIATION
ENERGY SYSTEMS
HEAT FLUX
IONIZING RADIATIONS
ONDULATOR RADIATION
RADIATION SOURCES
RADIATIONS
STRESSES
SYNCHROTRON RADIATION SOURCES
THERMAL STRESSES
X RADIATION