
478 APPENDIX G
01020
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
30 40
Dogleg, mm
50 60 70 80
b: n = 1.5
c: n = 4.0
90
θ, Angle,°
Figure P2.3 Solution for Problem 2.1, Parts (b) and (c).
Solution to Problem 2.1c (Continued)
%partc
nprime=4;
Deltac=t
*
sintheta.
*
...
(1-sqrt((n^2-n^2
*
sintheta.^2)./...
(nprime^2-n^2
*
sintheta.^2)));
%
figure;
plot(thetad,Deltab,‘-’,thetad,Deltac,‘--’);
xlabel(‘\theta, Angle, Deg.’);
ylabel(‘\Delta, Dogleg, mm’);
title(‘HW1, Problem 1, Parts b and c’);
legend(‘b: n=1.5’,‘c: n=4.0’,0);
Problem 2.2: Some Lenses
2.2a Consider the thin lens in Figure P2.4A. Let the focal length be f = 10 cm. Plot the image
distance as a function of object distance from 50 cm down