Phys. Rev. Lett. 90, 034801 (2003) [3 pages]Experimental Study for the Feasibility of a Crystalline UndulatorReceived 7 August 2002; published 23 January 2003 We present an idea for creation of a crystalline undulator and report its first realization. One face of a silicon crystal was given periodic microscratches (grooves) by means of a diamond blade. The x-ray tests of the crystal deformation due to a given periodic pattern of surface scratches have shown that a sinusoidal-like shape is observed on both the scratched surface and the opposite (unscratched) face of the crystal; that is, a periodic sinusoidal-like deformation goes through the bulk of the crystal. This opens up the possibility for experiments with high-energy particles channeled in a crystalline undulator, a novel compact source of radiation. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.034801
DOI:
10.1103/PhysRevLett.90.034801
PACS:
41.60.–m, 07.85.–m, 61.85.+p
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