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Study and conception of a high finesse Fabry-Perot cavity for the compact X-ray source ThomX

P. Favier 1, 2
1 ThomX
LAL - Laboratoire de l'Accélérateur Linéaire
Abstract : X-ray production by inverse Compton scattering is under investigation for the ThomX X-ray source. In this project, a high average power pulsed laser periodically interacts with a picosecond relativistic electron beam to produce the X-ray beam. Very high photon fluxes can be achievable if sufficient power is stored in the Fabry-Perot cavity. Today main limitation is due to heat loads on the mirrors that lead to surface deformations. To this aim, extensive studies on thermal effects on the Fabry-Perot cavity mirror substrates have been performed, both with simulations and prototype tests. Various diagnostics are also investigated to measure mirrors deformation and cavity finesse in real time with a CW laser
Keywords : ThomX
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http://hal.in2p3.fr/in2p3-01144474
Contributor : Sabine Starita <>
Submitted on : Tuesday, April 21, 2015 - 4:54:29 PM
Last modification on : Wednesday, September 16, 2020 - 5:45:22 PM

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  • HAL Id : in2p3-01144474, version 1

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IN2P3 | LAL | CNRS

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P. Favier. Study and conception of a high finesse Fabry-Perot cavity for the compact X-ray source ThomX . Novel Light Sources from Laser-Plasma Interactions – nlight15, Apr 2015, Dresden, Germany. ⟨in2p3-01144474⟩

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