Results 231 to 240 of about 4,663,474 (304)

Droplet-on-demand tape drive and X-ray emission spectroscopy prototypes for time-resolved serial crystallography on VMXi at Diamond Light Source. [PDF]

IUCrJ
Aller P, Sanchez-Weatherby J, Telfer A, Bosman R, Devenish N, Hinchliffe P, Horrell S, Ip J, Littlewood R, Male A, Gimenez Navarro E, Neuman U, Kamps JJAG, Omar D, Parkinson L, Pandi M, Rubies N, Sandy J, Shilova A, Spencer J, Spiers J, Sutter JP, Thompson AJ, Tooke CL, Williams B, Zhou T, Hough MA, Orville AM.   +27 more
europepmc   +1 more source

Fast Analysis Method for Far-Field Scattering Characteristics of Coding Metasurfaces Based on the Equivalent Source Principle. [PDF]

Materials (Basel)
Yang R, Tao H, Fan G, Dai J, Cheng Q.
europepmc   +1 more source

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A beam source model for scanned proton beams

Physics in Medicine and Biology, 2007
A beam source model, i.e. a model for the initial phase space of the beam, for scanned proton beams has been developed. The beam source model is based on parameterized particle sources with characteristics found by fitting towards measured data per individual beam line.
Peter, Kimstrand, Erik, Traneus, Anders, Ahnesjö, Erik, Grusell, Bengt, Glimelius, Nina, Tilly   +5 more
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Virtual source for an Airy beam

Optics Letters, 2012
We identify a virtual source for generating an Airy wave. A spectral integral expression is derived to describe the Airy wave, which, in the paraxial limit, yields the freely accelerating, nondiffracting, and finite energy Airy beam. From the spectral representation of the Airy wave, the first two orders of nonparaxial corrections to the paraxial Airy ...
Yan, Shaohui, Yao, Baoli, Lei, Ming, Dan, Dan, Yang, Yanlong, Gao, Peng   +5 more
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Virtual source of a Pearcey beam

Optics Letters, 2014
A virtual source that yields a family of a Pearcey wave is demonstrated. A closed-form expression is derived for the Pearcey wave that simplifies to the paraxial Pearcey beam (PB) in the appropriate limit. From the perturbative series representation of a complex-source-point spherical wave, an infinite series nonparaxial correction expression for a PB ...
Dongmei, Deng, Chidao, Chen, Xin, Zhao, Bo, Chen, Xi, Peng, Yushan, Zheng   +5 more
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A beam transport system for an intense He− beam source

Review of Scientific Instruments, 2008
We have been developing a test stand for fast He0 beam production. One of the major issues is how to transport effectively the He+ and He− beams from which the He0 beam is produced. The beam should be focused in two transverse focal points, the center of the charge exchange cell and the electrostatic accelerator.
N, Tanaka, M, Kikuchi, T, Nagamura, H, Sugawara, S, Takeuchi, T, Kobuchi, A, Okamoto, K, Shinto, S, Kitajima, M, Sasao, M, Wada   +10 more
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