Crystal Undulator As A Novel Compact Source Of Radiation

Details Crystal Undulator As A Novel Compact Source Of Radiation Crystal Undulator As A Novel Compact Source Of Radiation

2003-06-20

arxiv.org/abs/physics/0306152v1

Conf.Proc.C030512:917,2003; Phys.Rev.STAccel.Beams7:023501,2004

Physics

Accelerator Physics

Presented at PAC 2003 (Portland, May 12-16)

Scientific paper

10.1103/PhysRevSTAB.7.023501

A crystalline undulator (CU) with periodically deformed crystallographic planes is capable of deflecting charged particles with the same strength as an equivalent magnetic field of 1000 T and could provide quite a short period L in the sub-millimeter range. We present an idea for creation of a CU and report its first realization. One face of a silicon crystal was given periodic micro-scratches (grooves), with a period of 1 mm, by means of a diamond blade. The X-ray tests of the crystal deformation have shown that a sinusoidal-like shape of crystalline planes goes through the bulk of the crystal. This opens up the possibility for experiments with high-energy particles channeled in CU, a novel compact source of radiation. The first experiment on photon emission in CU has been started at LNF with 800 MeV positrons aiming to produce 50 keV undulator photons.

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