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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
186 OPTICS FOR ENGINEERS
and the contribution of the cell to the geometric-optics distance is
geom
=
c
n
. (7.16)
With light arriving via both paths, we expect interference to occur according to
Equations 7.1 and 7.3. Our next problem then is to determine how changes, , in OPL, vary
with x and y for a given . These changes will result in a fringe pattern, the details of which
will be related to , and thus to the index of refraction.
7.1.3 Viewing an Extended Source
7.1.3.1 Fringe Numbers and Locations
From the viewer’s point of view, the distance to a point in an extended source is
r =
x
2
+y
2
+z
2
. (7.17)
A small change, in z results in a change, to ...
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Publisher Resources

ISBN: 9781439807255