Results 221 to 230 of about 1,822,530 (262)

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
openaire   +2 more sources

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.
openaire   +1 more source

Surface Polariton Cherenkov Light Radiation Source

Physical Review Letters, 2012
A physical phenomenon has been found: in a structure of nanometal film with dielectric-medium loading, the surface polaritons excited by a uniformly moving electron bunch can be transformed into Cherenkov radiation with intensity enhancement in the medium.
Ping Zhang, Weihao Liu, Renbin Zhong
exaly   +3 more sources

Dual Cherenkov Radiation-induced Near-Infrared Luminescence Imaging and Photodynamic Therapy towards Tumor Resection.

Journal of Medicinal Chemistry, 2020
Cherenkov Radiation (CR), the blue light seen in nuclear reactors is emitted by some radiopharmaceuticals. This study showed that 1) a portion of CR could be transferred in the region of the optical spectrum where biological tissues are most transparent:
Vivian Lioret, P. Bellaye, C. Arnould, B. Collin, R. Decréau   +4 more
semanticscholar   +1 more source

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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Wavelength-shifted Cherenkov radiators

Nuclear Instruments and Methods, 1976
The scintillation and Cherenkov responses of plastic Cherenkov radiators containing different wavelength-shifting fluors in varying concentrations have been studied in beams of low energy protons and pions. For cosmic ray applications, where large Cherenkov to scintillation ratios are desired, the optimum fluor concentrations are 0.000025 by weight or ...
E.P. Krider, V.L. Jacobson, A.E. Pifer, P.A. Polakos, R.J. Kurz   +4 more
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Manipulating Cherenkov Radiation and Smith–Purcell Radiation by Artificial Structures

Advanced Optical Materials, 2019
A moving charged particle, such as an electron, can radiate light due to the interaction between its Coulomb field and surrounding matter. This phenomenon has spawned great interest in the fields of physics, electron microscopy, optics, biology, and ...
Zhaoxian Su, Bo Xiong, Yihao Xu, Ziqiang Cai, Jianbo Yin, Ruwen Peng, Yongmin Liu   +6 more
semanticscholar   +1 more source

Atmospheric Cherenkov Radiation

2009
After a brief historic review the basic phenomenology and the fundamental physical process that are responsible for producing Cherenkov radiation in refractive media are explained, followed by the elementary theory of single particle Cherenkov radiation that covers the radiation yield and spectral features.
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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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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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