EE
119
Homework
3
Professor: Jeff Bokor
TA: Xi Luo
Due Tuesday
,
Feb
16
th
2010
(Please submit your answers in EE119 homework box located in 240 Cory Hall)
1.
You will explore some of the differences between real and paraxial rays in this
problem. For each part below, trace the specified ray and determine where it
crosses the optical axis. Show all calculations and include a diagram. Report your
answers to 4 decimal places.
(a)
Find L when
θ
= 5° with real ray (no paraxial approximation).
(b)
Find L when
θ
= 0.5° with real ray (no paraxial approximation).
(c)
Report part (a) with the paraxial ray (paraxial approximation).
(d)
Report part (b) with the paraxial ray (paraxial approximation).
(e)
Is there a difference between your answers in (a) and (b)? Is there any
difference between your answers in (c) and (d)?
(f)
Now compare your answers in (b) and either (c) or (d). Why are they so
similar?
Fig. 1 diagram for problem 1
2.
You are asked to design a double convex lens (R
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 Spring '09
 Geometrical optics, Paraxial approximation, Paraxial Ray

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