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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
366 OPTICS FOR ENGINEERS
we know the intensity of a source, we divide it by the squared distance to the receiver
to obtain the irradiance on the receiver. These relationships are in Equation 12.4.
The radiance of a source is the derivative of its radiant intensity with respect to projected
source area, A cos θ, according to Equation 12.6. The radiant intensity is the integral of
the radiance times the cosine of θ over the area of the source, as in Equation 12.7.
12.1.1.2 Radiant Intensity and Radiant Flux
If we integrate the radiance over both area and solid angle, we will obtain the total power
received from the source. There are two ways to accomplish ...
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Publisher Resources

ISBN: 9781439807255