Kawal Sawhney
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Explore the profile of Kawal Sawhney including associated specialties, affiliations and a list of published articles.
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Articles
63
Citations
260
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Recent Articles
11.
Hu L, Wang H, Sutter J, Sawhney K
Opt Express
. 2023 Dec;
31(25):41000-41013.
PMID: 38087509
For advanced X-ray sources such as synchrotron radiation facilities and X-ray free electron lasers, a smooth, structure-free beam on the far-field plane is usually strongly desired. The formation of the...
12.
Dhamgaye V, Laundy D, Khosroabadi H, Moxham T, Baldock S, Fox O, et al.
Nat Commun
. 2023 Jul;
14(1):4582.
PMID: 37524749
Visible light optical elements such as lenses and mirrors have counterparts for X-rays. In the visible regime, a variable focusing power can be achieved by an Alvarez lens which consists...
13.
Hu L, Wang H, Fox O, Sawhney K
J Synchrotron Radiat
. 2022 Nov;
29(Pt 6):1385-1393.
PMID: 36345746
Speckle-based at-wavelength metrology techniques now play an important role in X-ray wavefront measurements. However, for reflective X-ray optics, the majority of existing speckle-based methods fail to provide reliable 2D information...
14.
Hu L, Wang H, Fox O, Sawhney K
Opt Express
. 2022 Oct;
30(18):33259-33273.
PMID: 36242370
Advances in accelerator technologies have enabled the continuous development of synchrotron radiation and X-ray free electron laser (XFEL) sources. At the same time, it has been critical to perform in-situ...
15.
Moxham T, Dhamgaye V, Laundy D, Fox O, Khosroabadi H, Sawhney K, et al.
Opt Express
. 2022 Oct;
30(11):19185-19198.
PMID: 36221703
Aberrations introduced during fabrication degrade the performance of X-ray optics and their ability to achieve diffraction limited focusing. Corrective optics can counteract these errors by introducing wavefront perturbations prior to...
16.
Khosroabadi H, Alianelli L, Porter D, Collins S, Sawhney K
J Synchrotron Radiat
. 2022 Mar;
29(Pt 2):377-385.
PMID: 35254300
Crystal monochromators are often the primary optics in hard X-ray synchrotron beamlines. Management of power load is central to their design. Strict requirements on stability and deformation are to be...
17.
Wang H, Sawhney K
Proc Natl Acad Sci U S A
. 2021 Nov;
118(47).
PMID: 34782478
No abstract available.
18.
Wang H, Moriconi S, Sawhney K
Light Sci Appl
. 2021 Sep;
10(1):195.
PMID: 34552044
X-ray mirrors are widely used for synchrotron radiation, free-electron lasers, and astronomical telescopes. The short wavelength and grazing incidence impose strict limits on the permissible slope error. Advanced polishing techniques...
19.
Hu L, Wang H, Sutter J, Sawhney K
Opt Express
. 2021 Mar;
29(3):4270-4286.
PMID: 33771010
X-ray beams reflected from a single layer or multilayer coating are widely used for X-ray tomography, holography, and X-ray phase contrast imaging. However, the observed irregular stripe patterns from either...
20.
Wang H, Sawhney K
Proc Natl Acad Sci U S A
. 2021 Feb;
118(9).
PMID: 33619105
Ever since the discovery of X-rays, tremendous efforts have been made to develop new imaging techniques for unlocking the hidden secrets of our world and enriching our understanding of it....