|interference diffraction patterns||medical dictionary|
The patterns arising from the recombination of beams of light or other waves after they have been split and one set of rays have undergone a phase retardation relative to the other. Such patterns formed by simple objects give information on the correctness of the focus and the presence or absence of optical defects.
This entry appears with permission from the Dictionary of Cell and Molecular Biology
(11 Mar 2008)
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