EE 119
Homework 4
Professor: Jeff Bokor
TA: Xi Luo
Due Tuesday, Feb 23
rd
2010
(Please submit your answers in EE119 homework box located in 240 Cory Hall)
1.
[Hecht 6.28] Figure P.6.28 shows the image irradiance distributions arising when
a monochromatic point source illuminates three different optical systems, each
having only one type of aberration. From the graphs identify that aberration in
each case and justify your answer.
2.
One way to construct an imaging system that is totally free of spherical aberration
is illustrated in Fig. 1. The lens in the diagram consists of two spherical surfaces,
of which the center of the front spherical surface F is at a distance of R/n from the
center of the second spherical surface C, with R being the radius of the second
spherical surface and n being the refractive index of the glass that the lens is made
from.
Please show that all rays originating from point F towards the lens are
refracted and focused at point G on the axis, whose distance from the center
of the second surface C is equal to nR
. Since the image formed at point G from
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 Spring '09
 chromatic aberration, Spherical Surface, spherical aberration, cm converging lens

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