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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
14 2. Preliminaries: Definitions and Paraxial Optics
2.4.
TWO-SURFACE REFRACTING ELEMENTS
We now apply the results of Section 2.2 to several systems with two refracting
surfaces, a thick lens, a thin lens, and a thick plane-parallel plate. We first
consider a thick lens, a lens in which the second refracting surface is distance d to
the right of the first surface.
2.4.a. THICK LENS
A schematic cross-section of a thick lens is shown in Fig. 2.5. If we assume the
lens has index n and is located in air, then w^ = «^ ^ 1, and n\ =
n2
= n.
Applying Eq. (2.2.5) to each surface gives
R.
•^2
R,
(2.4.1)
where ^2 =
^^i
- d.
With this system we find onl ...
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Publisher Resources

ISBN: 9780126298109