Optical design and optimization study of metrology sector at high energy photon source

2021 ◽  
Author(s):  
Xiaojuan Zhao ◽  
Yidong Zhao ◽  
Lei Zheng ◽  
Kun Tang ◽  
Shuhu Liu ◽  
...  
Keyword(s):  
Optical Design ◽  
High Energy ◽  
High Energy Photon ◽  
Energy Photon ◽  
Design And Optimization ◽  
Optimization Study ◽  
Photon Source

A micro-focusing and high-flux-throughput beamline design using a bending magnet for microscopic XAFS at the High Energy Photon Source

2019 ◽  
Vol 26 (5) ◽  
pp. 1835-1842
Author(s):  
Kun Tang ◽  
Lei Zheng ◽  
Yi Dong Zhao ◽  
Shu Hu Liu ◽  
Chen Yan Ma ◽  
...  
Keyword(s):  
Optical Design ◽  
High Energy ◽  
X Rays ◽  
High Energy Photon ◽  
Virtual Source ◽  
Energy Photon ◽  
Synchrotron Source ◽  
Full Field ◽  
Mirror Pair ◽  
Photon Source

An optical design study of a bending-magnet beamline, based on multi-bend achromat storage ring lattices, at the High Energy Photon Source, to be built in Beijing, China, is described. The main purpose of the beamline design is to produce a micro-scale beam from a bending-magnet source with little flux loss through apertures. To maximize the flux of the focal spot, the synchrotron source will be 1:1 imaged to a virtual source by a toroidal mirror; a mirror pair will be used to collimate the virtual source into quasi-parallel light which will be refocused by a Kirkpatrick–Baez mirror pair. In the case presented here, a beamline for tender X-rays ranging from 2.1 keV to 7.8 keV, with a spot size of approximately 7 µm (H) × 6 µm (V) and flux up to 2 × 1012 photons s−1, can be achieved for the purpose of X-ray absorption fine-structure (XAFS)-related experiments, such as scanning micro-XAFS and full-field nano-XAFS.

Proposal for a photoelectron spectroscopy and microscopy beamline (0.5–11 keV) at the High Energy Photon Source

2019 ◽  
Vol 26 (2) ◽  
pp. 559-564
Author(s):  
Kun Tang ◽  
Lei Zheng ◽  
Jia-Ou Wang ◽  
Yi-Dong Zhao
Keyword(s):  
Energy Range ◽  
Photoelectron Spectroscopy ◽  
Optical Design ◽  
High Energy ◽  
High Energy Photon ◽  
Energy Photon ◽  
Optical Efficiency ◽  
X Ray ◽  
Entire Energy Range ◽  
Photon Source

An optical design study of a beamline proposed for the new 6 GeV synchrotron, the High Energy Photon Source (HEPS), to be built in Beijing, China, is described. The beamline is designed to cover an energy range from 0.5 to 11 keV with two experimental stations, one for X-ray photoelectron spectroscopy (PES) experiments and the other for photoelectron emission microscopy (XPEEM) experiments. A 5 m APPLE II-type undulator with a relatively long magnetic period (55 mm) is used as the only radiation source. To optimize the optical efficiency for the full energy range, the beamline is split into a soft X-ray branch that is based on a variable-line-spacing plane-grating monochromator and a tender X-ray branch that uses a four-bounce monochromator with three Si channel-cut pairs. To allow both PES and XPEEM to be performed over the entire energy range, two toroidal mirrors and a bendable KB mirror pair are employed to deliver the soft and tender beams, respectively, to either of two experimental stations.

scholarly journals Conceptual design of TXM beamline at high energy photon source

2019 ◽  
Author(s):  
Qingxi Yuan ◽  
Kai Zhang ◽  
Wanxia Huang ◽  
Ming Li ◽  
Lingfei Hu ◽  
...  
Keyword(s):  
Conceptual Design ◽  
High Energy ◽  
High Energy Photon ◽  
Energy Photon ◽  
Photon Source

scholarly journals Progress in the Design and Related Studies on the High Energy Photon Source

2016 ◽  
Vol 84 ◽  
pp. 40-46 ◽  
Author(s):  
Yi Jiao ◽  
Zhe Duan ◽  
Yuanyuan Guo ◽  
Daheng Ji ◽  
Xiaoyu Li ◽  
...  
Keyword(s):  
High Energy ◽  
High Energy Photon ◽  
Energy Photon ◽  
Photon Source
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