The index of refraction of glass can be increased by diffusing in impurities. It is then possible to make a lens of constant thickness. Given a disk of radius a and thickness d, find the radial variation of the index of refraction n(r) which will produce a lens with focal length F. You may assume a thin lens (d
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The index of refraction of glass can be increased by diffusing in impurities. It is then possible to
make a lens of constant thickness. Given a disk of radius a and thickness d, find the radial variation of the
index of refraction n(r) which will produce a converging lens with focal length f. You may assume (d≪a).
Explanation:
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