31 July 2016 to 5 August 2016
Gaylord Hotel and Conference Center
US/Eastern timezone

Optimization of Compton source Performance through Electron Beam Shaping

1 Aug 2016, 16:30
15m
Woodrow Wilson B (Gaylord Hotel)

Woodrow Wilson B

Gaylord Hotel

Oral Working Group 7 WG7

Speaker

Mr. Alexander Malyzhenkov (LANL)

Abstract

We investigate a novel scheme for significantly increasing the brightness of x-ray light sources based on Inverse Compton scattering (ICS). The spectral brightness of the source is defined by the 6d electron phase space shape, size, and laser beam parameters. We describe the x-ray photon beam quality through the Wigner function (6d photon phase space distribution) and derive it for the ICS source when the electron and laser rms matrices are arbitrary.

Summary

We investigate a novel scheme for significantly increasing the brightness of x-ray light sources based on inverse Compton scattering (ICS) - scattering laser pulses off relativistic electron beams. The brightness of these sources is limited by the electron beam quality since electrons traveling at different angles, and/or having different energies, produce photons with different energies. Therefore, the spectral brightness of the source is defined by the 6d electron phase space shape and size, as well as laser beam parameters. The peak brightness of the ICS source can be maximized then if the electron phase space is transformed in a way so that all electrons scatter off the x-ray photons of same frequency in the same direction. We describe the x-ray photon beam quality through the Wigner function (6d photon phase space distribution) and derive it for the ICS source when the electron and laser rms matrices are arbitrary. We find the optimal electron beam phase space distribution resulting in the highest brightness of the ICS source.

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