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Optical Engineering

Effective Phase Space Widths Of Undulator Radiation
Author(s): R. Coisson
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Paper Abstract

Effective widths are given to estimate source size and divergence of radiation from undulators. We show the strong variation of these with detuning from the peak and the corresponding values of the photon emittance and optimum beta. At large detuning, the diffraction size increases with increasing angular width, confirming that for a coherent wave, diffraction and depth-of-field broadening are the same thing.

Paper Details

Date Published: 1 March 1988
PDF: 3 pages
Opt. Eng. 27(3) 273250 doi: 10.1117/12.7977923
Published in: Optical Engineering Volume 27, Issue 3
Show Author Affiliations
R. Coisson, Universita di Parma (Italy)

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