Physics – Accelerator Physics
Scientific paper
2001-09-18
Nucl.Instrum.Meth. A475 (2001) 441-444
Physics
Accelerator Physics
long version of our contribution to the 22nd International Free Electron Laser Conference, Durham, NC, USA, 13-18 August 2000,
Scientific paper
10.1016/S0168-9002(01)01632-1
We discuss the radiation generated by positrons channeling in a crystalline undulator. The undulator is produced by periodically bending a single crystal with an amplitude much larger than the interplanar spacing. Different approaches for bending the crystal are described and the restrictions on the parameters of the bending are discussed. We also present numeric calculations of the spontaneous emitted radiation and estimate the conditions for stimulated emission. Our investigations show that the proposed mechanism could be an interesting source for high energy photons and is worth to be studied experimentally.
Greiner Walter
Korol Andrei V.
Krause Wolfram
Solov'yov Andrey V.
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