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Projection x-ray microscopy beamline mirror cooling and optomechanical analysis
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Paper Abstract

The thermal transfer issue is an important problem associated with the synchrotron radiation optical system. During projection x-ray microscopy (PXM), x-ray light comes from the wiggler insert parts. The vertical collimating mirror (VCM) absorbs 40 W of energy on the mirror surface. The mirror length is 1000 mm, and its width is 87 mm. Here we apply an x-ray optical simulation software, named SHADOW, as well as the finite element method (FEM) software, ANSYS®, to calculate the surface thermal deformation at various thicknesses of VCM. The FEM software calculates the mirror surface deformation from heat absorption, and the surface deformation can be fit by the B-spline curve. The thermal deformation fitting results can be fed back to the SHADOW software and be used to evaluate how mirror thermal deformation affects the optical system performance.

Paper Details

Date Published: 17 September 2018
PDF: 10 pages
Proc. SPIE 10743, Optical Modeling and Performance Predictions X, 107430D (17 September 2018); doi: 10.1117/12.2318777
Show Author Affiliations
Ming-Ying Hsu, National Synchrotron Radiation Research Ctr. (Taiwan)
Gung-Chian Yin, National Synchrotron Radiation Research Ctr. (Taiwan)
Bo-Yi Chen, National Synchrotron Radiation Research Ctr. (Taiwan)
Chien-Yu Lee, National Synchrotron Radiation Research Ctr. (Taiwan)
Han-Chao Chang, Instrument Technology Research Ctr. (Taiwan)


Published in SPIE Proceedings Vol. 10743:
Optical Modeling and Performance Predictions X
Mark A. Kahan; Marie B. Levine-West, Editor(s)

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