Volume 120, Number 1, October 2017
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||28 December 2017|
Two-colour X-gamma ray inverse Compton back-scattering source
1 INFN-Milano - Via Celoria 16 20133 Milano, Italy
2 Università degli Studi di Milano - Via Celoria 16 20133 Milano, Italy
Received: 14 September 2017
Accepted: 25 November 2017
We present a simple and new scheme for producing two-colour Thomson/Compton radiation with the possibility of controlling separately the polarization of the two different colours, based on the interaction of one single electron beam with two light pulses that can come from the same laser setup or from two different lasers and that collide with the electrons at different angle. One of the most interesting cases for medical applications is to provide two X-ray pulses across the iodine K-edge at 33.2 keV. The iodine is used as contrast medium in various imaging techniques and the availability of two spectral lines accross the K-edge allows one to produce subtraction images with a great increase in accuracy.
PACS: 41.50.+h – X-ray beams and x-ray optics / 41.60.Ap – Synchrotron radiation / 41.60.-m – Radiation by moving charges
© EPLA, 2017
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