initial commit / add all books

2 files changed, 27 insertions, 0 deletions

diff --git a/3875/CH9/EX9.6/9_6.txt b/3875/CH9/EX9.6/9_6.txt
new file mode 100644
index 000000000..4d0b400ef
--- /dev/null
+++ b/3875/CH9/EX9.6/9_6.txt
@@ -0,0 +1,5 @@
+The numerical aperture is = 0.285

+The acceptance angle is = 16.6 degree

+The critical angle at the core cladding interface is = 79.1 degree

+The velocity of light in the core is = 2e+08 m/s

+The velocity of light in the cladding is = 2.04e+08 m/s
\ No newline at end of file
diff --git a/3875/CH9/EX9.6/Ex9_6.sce b/3875/CH9/EX9.6/Ex9_6.sce
new file mode 100644
index 000000000..0136b4662
--- /dev/null
+++ b/3875/CH9/EX9.6/Ex9_6.sce
@@ -0,0 +1,22 @@
+clc;

+clear;

+n1=1.5 //core refractive index

+delta=1.8*10^-2 //fractional refractive index 

+ratio=0.982 //ratio of cladding to core refractive index

+c=3*10^8 //velocity of light in m/s

+

+//calculation

+NA=n1*sqrt(2*delta) //numerical aperture

+mprintf("\nThe numerical aperture is = %1.3f\n",NA)

+

+i_a=asind(0.285)

+mprintf("The acceptance angle is = %2.1f degree\n",i_a)

+

+i_c=asind(ratio)

+mprintf("The critical angle at the core cladding interface is = %2.1f degree\n",i_c)

+

+v_core=c/n1

+mprintf("The velocity of light in the core is = %1.0e m/s\n",v_core)

+

+v_clad=c/(ratio*n1)

+mprintf("The velocity of light in the cladding is = %1.2e m/s",v_clad)