The finite element analysis modeling of micro pore optic plate

Xue Yang; Chen Zhang; Zhixing Ling; Ge Jin; Longhui Li; Weimin Yuan; Shuangnan Zhang

doi:10.1117/12.2312382

6 July 2018 The finite element analysis modeling of micro pore optic plate

Xue Yang, Chen Zhang, Zhixing Ling, Ge Jin, Longhui Li, Weimin Yuan, Shuangnan Zhang

Proceedings Volume 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray; 106993Z (2018) https://doi.org/10.1117/12.2312382
Event: SPIE Astronomical Telescopes + Instrumentation, 2018, Austin, Texas, United States

Abstract

The X-ray imaging with Micro-Pore Optic (MPO) plates can provide huge field of view with light mass, which will be applied for the Wide-field X-ray telescope (WXT), one of the two payloads onboard China’s Einstein Probe (EP) mission. Since each MPO plate has millions of micro square pores with width of 20 μm which actually behave as honeycomb materials, the mechanical properties of the MPO plates will be much more complex than normal optical glass as homogeneous material. This work estimated the mechanical properties of MPO plates, provided an equivalent mechanical properties as homogeneous material to greatly simplify the Finite-Element Analysis (FEA). Three basic material properties of MPO plates - relative density, effective elastic stiffness (Young’s module) and the effective Poisson’s ratio are estimated and preliminary validated with FEA simulations.

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Xue Yang, Chen Zhang, Zhixing Ling, Ge Jin, Longhui Li, Weimin Yuan, and Shuangnan Zhang "The finite element analysis modeling of micro pore optic plate", Proc. SPIE 10699, Space Telescopes and Instrumentation 2018: Ultraviolet to Gamma Ray, 106993Z (6 July 2018); https://doi.org/10.1117/12.2312382

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KEYWORDS

Finite element methods

X-ray technology

X-rays

Astrophysics

Collimators

Lead glass

Optical design

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