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@InProceedings{antipov:napac2019-tuplh08,
author = {S.P. Antipov and P.V. Avrakhov and E. Dosov and E. Gomez and S.V. Kuzikov and S. Stoupin and A.A. Vikharev},
% author = {S.P. Antipov and P.V. Avrakhov and E. Dosov and E. Gomez and S.V. Kuzikov and S. Stoupin and others},
% author = {S.P. Antipov and others},
title = {{X-Ray and Charged Particle Detection by Detuning of a Microwave Resonator}},
booktitle = {Proc. NAPAC'19},
pages = {503--505},
paper = {TUPLH08},
language = {english},
keywords = {laser, electron, resonance, coupling, experiment},
venue = {Lansing, MI, USA},
series = {North American Particle Accelerator Conference},
number = {4},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {10},
year = {2019},
issn = {2673-7000},
isbn = {978-3-95450-223-3},
doi = {10.18429/JACoW-NAPAC2019-TUPLH08},
url = {http://jacow.org/napac2019/papers/tuplh08.pdf},
note = {https://doi.org/10.18429/JACoW-NAPAC2019-TUPLH08},
abstract = {Charged particle detection is important for beam alignment, beam loss and background control. In case of halo detection, traditional wire scanner measurement utilizing carbon or tungsten wires is limited by the damage threshold of these materials. In this paper we present an electrodeless method to measure halo with a diamond scraper. This measurement utilizes a microwave resonator placed around the diamond scraper which is sensitive to charged particle-induced conductivity. Due to this transient induced conductivity in the dielectric, a microwave coupling to the resonator changes. Diamond in this case is chosen as a radiation hard material with excellent thermal properties. The absence of electrodes makes the device robust under the beam. The same measurement can be done for x-ray flux monitoring which is important for measurement feedback and calibration at modern x-ray light sources. In this case x-rays passing through the diamond sensing element enable a photo-induced conductivity and that in turn detunes the cavity placed around the diamond. Diamond being a low-Z material allows for in-line x-ray flux measurement without significant beam attenuation.},
}