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Optics for Engineers
book

Optics for Engineers

by Charles A. DiMarzio
August 2011
Intermediate to advanced content levelIntermediate to advanced
564 pages
20h 45m
English
CRC Press
Content preview from Optics for Engineers
248 OPTICS FOR ENGINEERS
We now have three expressions that use the Fourier transform of the eld, Equation 8.49,
giving the result in terms of the eld in the Fraunhofer zone, Equation 8.52 giving it in terms
of angular distribution of the eld and Equation 8.50 giving the result in terms of spatial fre-
quencies. These three expressions all contain the same information. Thus, a numerical aperture
of NA blocks the plane waves that contribute to higher spatial frequencies. The relationships
among distances, x
1
, y
1
, in the aperture, spatial frequencies, f
x
, f
y
, and direction cosines, u, v,
are shown in Table 8.1. For example, if a camera has discrete ...
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Publisher Resources

ISBN: 9781439807255