blob: 213df0c1d8c0789b602c326b9fc7ad0d70175323 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
//Example 5.3, Page number 5.29
clc;clear;close
// variable declaration
d=50 // diameter
n1=1.450// unitless
n2=1.447// unitless
lamda=1 // wavelength
// Calculations
N_a=(n1**2-n2**2) // Numerical aperture
N=4.9*(((d*10**-6*N_a)/(lamda*10**-6))**2)// Numerical aperture
// Results
printf("Numerical aperture = %.5f",N_a)
printf("\nNo. of modes that can be propogated = %.f",N)
|
