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Unformatted text preview: Thin Lens with Differing Incident and Transmitted Regions The general thin lens equation for differing incident and transmitted regions is 12.1 “3 712—711 + n3‘n2
s 3’ R1 R2 where m and n3 are the refractive indices of the incident and transmitted regions re—
spectively. The thin lens has a refractive index of n; and surfaces of radii R1 and R2. The object and image distances are s and s’ respectively. For this situation, develop a complete proof, showing all work, that the magni-
tude of the linear magniﬁcation in the paraxial ray approximation is
n1 8 I
Consider, in this situation, that the chief ray is not undeviated as in the case of n1 2 n3. The chief ray is deviated in a predictable way. Thin Lens with Differing Incident and Transmitted Regions The chief ray is described by Snell’s law n1 sina 2 n3 sinﬂ O I 0 I
711 — = 713 -7
and so ...
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This note was uploaded on 04/29/2008 for the course ECE 4500 taught by Professor Gaylord during the Spring '08 term at Georgia Tech.
- Spring '08