Source of
coherent radiation in which the
active medium is an electron beam moving at speeds close to the speed of light in the spatially
periodic magnetic field produced by an array of magnets (the wiggler). The emitted
wavelength,
, is approximately given by
,
with
being the wiggler period and
the electron's energy in
.
Source:
PAC, 1996, 68, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2244
Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8.
https://doi.org/10.1351/goldbook.