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Sheikh Mashrafi
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The velociprobe: An ultrafast hard x-ray nanoprobe for high-resolution ptychographic imaging
J Deng, C Preissner, JA Klug, S Mashrafi, C Roehrig, Y Jiang, Y Yao, ...
Review of Scientific Instruments 90 (8), 2019
792019
Achieving high spatial resolution in a large field-of-view using lensless x-ray imaging
Y Jiang, J Deng, Y Yao, JA Klug, S Mashrafi, C Roehrig, C Preissner, ...
Applied Physics Letters 119 (12), 2021
162021
Prototype design and experimental tests of a zoom mirror system for the APS upgrade
X Shi, Z Qiao, S Mashrafi, R Harder, D Shu, M Wyman, J Anton, ...
Advances in X-Ray/EUV Optics and Components XV 11491, 66-73, 2020
122020
Performance and ongoing development of the velociprobe, a fast hard x-ray nanoprobe for high-resolution ptychographic imaging
JA Klug, J Deng, C Preissner, C Roehrig, ST Mashrafi, M Wang, Z Feng, ...
Microscopy and Microanalysis 24 (S2), 52-53, 2018
112018
Earth, wind, and fire: The new fast scanning velociprobe
C Preissner, J Deng, C Jacobsen, B Lai, F Marin, J Maser, S Mashrafi, ...
Proc. MEDSI 2016, 2016
82016
Machine learning control of an elliptically bent hard X-ray mirror
S Mashrafi, R Harder, X Shi, D Shu, Z Qiao, M Wyman, T Mooney, J Anton, ...
Advances in X-Ray/EUV Optics and Components XV 11491, 66-74, 2020
72020
Something for (almost) Nothing: X-ray Microscope Performance Enhancement Through Control Architecture Change
S Mashrafi, C Preissner, S Salapaka, H Zhao
ASPE 28th Annual Meeting, 2013
72013
Optimal control for x-ray microscopes
ST Mashrafi, J Deng, C Preissner, SM Salapaka
IEEE/ASME Transactions on Mechatronics 25 (2), 627-637, 2020
62020
The Velociprobe: Pushing the Limits with Fast and Robust Control
S Mashrafi, C Preissner, S Salapaka
ASPE 32nd Annual Meeting, 2017
52017
Development of x-ray wavefront sensing techniques for adaptive optics control at the advanced photon source
X Shi, Z Qiao, L Rebuffi, M Wojcik, M Highland, MG Frith, R Harder, D Shu, ...
Synchrotron Radiation News 35 (2), 37-42, 2022
42022
Finite element modeling of a laminar flexure bending mechanism for elliptically bent hard x-ray mirror
JWJ Anton, D Shu, SP Kearney, R Harder, X Shi, TM Mooney, ...
Optomechanical Engineering 2019 11100, 82-90, 2019
42019
Fast Scanning of X-ray Optics: An Optimal Control Approach
S Mashrafi, C Preissner, S Salapaka
ASPE 31st Annual Meeting, 2016
32016
Countering Sensor Drift in X-ray Microscopy with Fast and Robust Optimal Control
S Mashrafi, C Preissner, S Salapaka
ACC, 2018
22018
Control enhancement of an elliptically bent hard x-ray dynamic mirror bender with machine-learning techniques
ST Mashrafi, R Harder, X Shi, D Shu, Z Qiao, M Wyman, T Mooney, ...
Advances in X-Ray/EUV Optics and Components XVI 11837, 45-51, 2021
12021
Sensor drift rejection in X-ray microscopy: A robust optimal control approach
S Mashrafi, C Preissner, S Salapaka
Encyclopedia of Systems and Control, 2041-2047, 2021
12021
Modular nanopositioning flexure stages development for APS upgrade KB mirror nanofocusing optics
D Shu, J Anton, L Assoufid, S Bean, D Capatina, V De Andrade, ...
11th Int. Conf. on Mechanical Engineering Design of Synchrotron Radiation …, 2021
12021
Design of the nanopositioning and mechanical system for cavity-based X-ray free electron laser
D Shu, S Kearney, J Anton, S Mashrafi, Y Shvydko, R Lindberg, ...
Journal of Physics: Conference Series 2380 (1), 012029, 2022
2022
Surface Twist Characterization and Compensation of an Elliptically Bent Hard X-Ray Mirror
Z Qiao, J Anton, L Assoufid, S Kearney, S Mashrafi, J Qian, X Shi, D Shu
2021
Conceptual Design of the Cavity Mechanical System for Cavity-Based X-Ray Free Electron Laser
D Shu, S Kearney, J Anton, S Mashrafi, Y Shvyd’ko, R Lindberg, ...
2021
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Articles 1–19