Results 191 to 200 of about 30,316 (228)

Optimized scintillation imaging in low dose rate and bright room light conditions. [PDF]

Biomed Phys Eng Express
Niver AP, Bruza P, Pogue BW.
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Noise & mottle suppression methods for cumulative Cherenkov images of radiation therapy delivery. [PDF]

Phys Med Biol
Hallett JE, Bruza P, Jermyn M, Li K, Pogue BW.   +4 more
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Cherenkov radiation and Cherenkov detectors in the Cherenkov laboratory

Radiation Physics and Chemistry, 2006
Abstract A historical review of works done with Cherenkov detectors in Cherenkov's laboratory of Lebedev Physical Institute for almost 50 years is presented.
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Dielectric Concentrator for Cherenkov Radiation

Physical Review Letters, 2014
We report on a dielectric target that concentrates Cherenkov radiation into a small spatial area. In contrast to traditional devices, this target can focus almost all of the radiation without using additional lenses or mirrors. We consider the case where radiation is produced by a point charge moving along the axis of a cylindrical channel inside an ...
Sergey N, Galyamin, Andrey V, Tyukhtin
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Cherenkov radiation spectrum

International Journal of Theoretical Physics, 1992
A new method is proposed for the construction of the theoretical Cherenkov spectrum. The expression representing the spectral energy distribution has the same form as the classical Frank-Tamm formula, but the square of the index of refraction is replaced by the real part of a dielectric function, which we interpret as a function characteristic of the ...
L. F�l�p, T. Bir�
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Cherenkov radiation in radiation chemistry

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1986
Abstract We give a review of the applications of Vavilov-Cherenkov radiation in radiation chemistry. We show that the irradiation in electron accelerators always leads to photoradiation effects, which must be taken into account in the radiolysis of photosensitive systems.
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Calorimetry and Cherenkov radiation

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2008
Abstract Cherenkov radiation has been frequently used to measure the energy of electromagnetic showers, for instance in lead-glass calorimeters, and now it becomes increasingly useful for hadronic calorimetry as well. A sizable fraction of cascades initiated by hadrons in an absorber is quickly transformed into γ rays, giving e ...
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Nondivergent Cherenkov Radiation in a Wire Metamaterial

Physical Review Letters, 2012
The electromagnetic radiation of a charge moving in an infinite 3D structure made of parallel wires is considered. The periods of the structure are assumed to be small; therefore, it can be described by an effective permittivity tensor. The charge velocity is perpendicular to the wires.
Viktor V, Vorobev, Andrey V, Tyukhtin
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Optical Cherenkov radiation in overmoded microresonators

Optics Letters, 2016
We show that an optical analog of Cherenkov radiation (dispersive wave) is observable in a nonlinear microring resonator generating Kerr frequency comb and containing linearly interacting families of equidistant modes. The radiation results from disruptions in the frequency dependent group velocity dispersion of the pumped cavity modes and is emitted ...
Andrey B, Matsko, Wei, Liang, Anatoliy A, Savchenkov, Danny, Eliyahu, Lute, Maleki   +4 more
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The discovery of the Cherenkov radiation

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2008
The exciting story of the discovery of the Cherenkov radiation by the graduate student Cherenkov is recalled.
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