2018
DOI: 10.1103/physrevlett.121.054802
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Direct Observation of Incoherent Cherenkov Diffraction Radiation in the Visible Range

Abstract: We report on the observation of incoherent Cherenkov radiation emitted by a 5.3 GeV positron beam circulating in the Cornell electron-positron storage ring as the beam passes in the close vicinity of the surface of a fused silica radiator (i.e., at a distance larger than 0.8 mm). The shape of the radiator was designed in order to send the Cherenkov photons towards the detector, consisting of a compact optical system equipped with an intensified camera. The optical system allows both the measurements of 2D imag… Show more

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Cited by 29 publications
(23 citation statements)
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“…In the far-field (Fraunhofer) area, the field can be calculated using formulas (5). One can show that for the case of the prism these formulas can be written in the following form:…”
Section: Aperture Integrals For Prismatic Objectmentioning
confidence: 99%
See 2 more Smart Citations
“…In the far-field (Fraunhofer) area, the field can be calculated using formulas (5). One can show that for the case of the prism these formulas can be written in the following form:…”
Section: Aperture Integrals For Prismatic Objectmentioning
confidence: 99%
“…The radiation of charged particles in the presence of dielectric objects with a complicated form is of essential interest for applications in accelerator and beam physics [1][2][3][4][5]. As an example, one can point out a new method of noninvasive bunch diagnostics where Cherenkov radiation (frequently also referred to as Cherenkov-diffraction radiation) outside a dielectric object should be registered [2,5]. As a rule, the complex geometry of the object does not allow obtaining the rigorous solution of the problem.…”
Section: Introductionmentioning
confidence: 99%
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“…The emission of Cherenkov radiation by charged particles travelling through matter was discovered in 1934 [1,2] and, due to its fascinating properties (i.e., the emission of a large number of photons in a narrow and well-defined solid angle), has found numerous applications in many fields including astrophysics [3], and particle detection and identification [4,5]. Recently, a first experimental study was performed to demonstrate the potential of noninvasive beam diagnostic techniques based on the detection of incoherent Cherenkov diffraction radiation (ChDR) [6]. The latter refers to the emission of Cherenkov radiation by charged particles traveling not inside, but in the vicinity of a dielectric material.…”
Section: Introductionmentioning
confidence: 99%
“…This is the goal for the next future. Meanwhile, different kind of sources have been explored based on different mechanisms of radiation, as coherent transition radiation (CTR), coherent diffraction radiation (CDR) and coherent Cherenkov-diffraction radiation (CChDR) [29][30][31]. The experimental comparison among different mechanisms in terms of peak power and energy per pulse has been made, showing that CChDR is more promising than the other mechanisms.…”
Section: Introductionmentioning
confidence: 99%