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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
RADIOMETRY AND PHOTOMETRY 381
300
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500
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0
0.2
0.4
0.6
0.8
1
1.2
1.4
Wavelength, nm
y
Figure 12.9 Photometric conversion. The
¯
y curve shows the response of the standard
human observer. The dotted line shows the data, and the solid line shows the fit provided
by Equation 12.42.
Suppose that a scene includes four light-emitting diodes (LEDs), blue, green, red, and
near infrared, all with equal radiance. We will see in Equation 13.4 and Figure 13.2 that a
silicon CCD will usually be more sensitive to longer wavelengths, making an image from a
monochrome camera (single-channel black and white) more likely to show the infrared diode
to be the brightest and
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Publisher Resources

ISBN: 9781439807255