Coherence of Light

  • L. M. Soroko


If we ignore nonlinear optical effects, which occur only if the fields in a light wave become comparable with internal fields in the emitting system, we can assume quite satisfactorily that an electromagnetic field has the property of superposition. Two light beams intersecting in some region of space, which may be empty or filled with a medium, do not interact. A consequence of the property of superposition is that the resultant field E0 in the region of intersection of two light beams is simply equal to the sum of the fields in each of the beams:
$$ {E_0} = {E_1} + {E_2} $$
, where E1 and E2 are the electric field vectors in each of the beams in the absence of the other beam.


Interference Pattern Wave Train Interference Fringe Spatial Coherence Coherence Function 
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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • L. M. Soroko
    • 1
  1. 1.Joint Institute for Nuclear ResearchDubnaUSSR

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