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
1.
Wang P, Bazan da Silva M, Hand M, Wang H, Chang P, Beilsten-Edmands V, et al.
J Synchrotron Radiat
. 2024 Dec;
32(Pt 1):261-268.
PMID: 39705253
We present here a newly developed software tool (called PGMweb) for computing and simulating the X-ray beam path through a plane grating monochromator (PGM), a key component in soft X-ray...
2.
Tong X, Dhamgaye V, Chen Q, Wu Q, Deng B, Zhang L, et al.
J Synchrotron Radiat
. 2024 Oct;
31(Pt 6):1457-1463.
PMID: 39466696
Hard X-ray microscopes with 20-30 nm spatial resolution ranges are an advanced tool for the inspection of materials at the nanoscale. However, the limited efficiency of the focusing optics, for...
3.
Donoghue M, Wang H, OToole D, Connelly C, Horie S, Woulfe P, et al.
Sci Rep
. 2024 Oct;
14(1):23745.
PMID: 39390031
The study of biological soft tissue structures at the micron scale details the function of healthy and pathological tissues, which is vital in the diagnosis and treatment of diseases. Speckle...
4.
Wang H, Majhi A, Tan W, Singhapong W, Morawe C, Sawhney K
J Synchrotron Radiat
. 2024 Aug;
31(Pt 5):1050-1057.
PMID: 39120915
A state-of-the-art multilayer deposition system with a 4200 mm-long linear substrate translator housed within an ultra-high vacuum chamber has been developed. This instrument is engineered to produce single and multilayer...
5.
Walters A, Wen S, Huang Q, Wang Z, Wang H, Sawhney K
J Synchrotron Radiat
. 2024 Aug;
31(Pt 5):1043-1049.
PMID: 39088402
Multilayer gratings are increasingly popular optical elements at X-ray beamlines, as they can provide much higher photon flux in the tender X-ray range compared with traditional single-layer coated gratings. While...
6.
Spexwavepy: an open-source Python package for X-ray wavefront sensing using speckle-based techniques
Hu L, Wang H, Sawhney K
J Synchrotron Radiat
. 2024 Jul;
31(Pt 5):1037-1042.
PMID: 39078691
In situ wavefront sensing plays a critical role in the delivery of high-quality beams for X-ray experiments. X-ray speckle-based techniques stand out among other in situ techniques for their easy...
7.
Majhi A, Shurvinton R, Pradhan P, Hand M, Gu W, Bazan da Silva M, et al.
J Synchrotron Radiat
. 2024 Jun;
31(Pt 4):706-715.
PMID: 38904938
Ion beam figuring (IBF) is a powerful technique for figure correction of X-ray mirrors to a high accuracy. Here, recent technical advancements in the IBF instrument developed at Diamond Light...
8.
Shurvinton R, Wang H, Pradhan P, Nistea I, Alcock S, Bazan da Silva M, et al.
J Synchrotron Radiat
. 2024 May;
31(Pt 4):655-669.
PMID: 38771776
Synchrotron light sources require X-ray optics with extremely demanding accuracy for the surface profile, with less than 100 nrad slope errors and sub-nanometre height errors. Such errors are challenging to...
9.
Khosroabadi H, Laundy D, Dhamgaye V, Sawhney K
J Synchrotron Radiat
. 2024 Apr;
31(Pt 3):438-446.
PMID: 38652579
Knife-edge imaging is a successful method for determining the wavefront distortion of focusing optics such as Kirkpatrick-Baez mirrors or compound refractive lenses. In this study, the wavefront error of an...
10.
Khosroabadi H, Alianelli L, Sanchez-Navarro P, Peach A, Sawhney K
J Synchrotron Radiat
. 2024 Apr;
31(Pt 3):478-484.
PMID: 38592970
Maximizing the performance of crystal monochromators is a key aspect in the design of beamline optics for diffraction-limited synchrotron sources. Temperature and deformation of cryo-cooled crystals, illuminated by high-power beams...