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Development of optical resonant cavities for laser-Compton scattering
T. Akagi, S. Araki, Y. Honda +12
We have been developing optical resonant cavities for laser-Compton scattering experiment at the Accelerator Test Facility in KEK. The main subject of the R&D is to increase laser…
Observation of the Stimulated Coherent Diffraction Radiation in an Open Resonator at LUCX Facility
A. Aryshev, S. Araki, M. Fukuda +8
We present an initial test of a new type of a pre-bunched beam pumped free electron maser based on Stimulated Coherent Diffraction Radiation (SCDR) generated in an open resonator.…
Present status and first results of the final focus beam line at the KEK Accelerator Test Facility
P. Bambade, M. Alabau Pons, J. Amann +91
ATF2 is a final-focus test beam line which aims to focus the low emittance beam from the ATF damping ring to a vertical size of about 37 nm and to demonstrate nanometer level beam…
Production of gamma rays by pulsed laser beam Compton scattering off GeV-electrons using a non-planar four-mirror optical cavity
T. Akagi, S. Araki, J. Bonis +28
As part of the positron source R&D for future colliders and Compton based compact light sources, a high finesse non-planar four-mirror Fabry-Perot cavity has recently bee…
High flux polarized gamma rays production: first measurements with a four-mirror cavity at the ATF
Nicolas Delerue, J. Bonis, Iryna Chaikovska +27
The next generation of e+/e- colliders will require a very intense flux of gamma rays to allow high current polarized positrons to be produced. This can be achieved by converting p…
Design of a Polarised Positron Source Based on Laser Compton Scattering
S. Araki, Y. Higashi, Y. Honda +32
We describe a scheme for producing polarised positrons at the ILC from polarised X-rays created by Compton scattering of a few-GeV electron beam off a CO2 or YAG laser. This scheme…