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IEVref:705-04-70ID:
Language:enStatus: Standard
Term: evanescent field
Synonym1: evanescent mode
[Preferred]
Synonym2: evanescent wave
[Deprecated]
Synonym3:
Symbol:
Definition: electromagnetic field such that, in at least one direction, each component of one of the vectors of the field has the same phase at the same time at all points and an amplitude that decreases very rapidly to negligible values at a few wavelengths, where this decrease is not due to absorption

Note 1 to entry: An evanescent field does not propagate energy and is, consequently, not a wave.


Publication date:2020-04
Source:
Replaces:705-04-70:1995-09
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