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Astronomical Optics, 2nd Edition
book

Astronomical Optics, 2nd Edition

by Daniel J. Schroeder
September 1999
Intermediate to advanced content levelIntermediate to advanced
478 pages
21h 54m
English
Academic Press
Content preview from Astronomical Optics, 2nd Edition
246 10. Diffraction Theory and Aberrations
integral of i{P) over the entire receiving plane. In terms of dimensionless
variables we have
00
EE = KP)dv^ dVyl i{P)dv^
dVy.
(10.1.10)
-00
For a square aperture of side 2a we take a square area of side 2x at the PSF. To
find EE for the principal maximum we have x = Xi, v^ =
VyQ
= n. Substituting
for i(P) firom Eq. (10.1.6) and evaluating Eq. (10.1.10) at these limits, we find
EE = 0.815 for the principal maximum. Within a square enclosing the FWHM we
get EE = 0.52.
The final item of interest for a rectangular aperture is the case where a <^b,
hence a narrow slit in the y direction. In the limitin ...
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Publisher Resources

ISBN: 9780126298109