1 files changed, 17 insertions, 0 deletions
diff --git a/3755/CH13/EX13.5/Ex13_5.sce b/3755/CH13/EX13.5/Ex13_5.sce
new file mode 100644
index 000000000..770dc85d9
--- /dev/null
+++ b/3755/CH13/EX13.5/Ex13_5.sce
@@ -0,0 +1,17 @@
+clear
+//
+//
+//
+
+//Variable declaration    
+NA=0.22;    //numerical aperture
+delta=0.012;    //relative difference
+
+//Calculations
+N=1-delta;
+n1=sqrt(NA^2/(1-N^2));      //core refractive index
+n2=N*n1;     //cladding refractive index
+
+//Result
+printf("\n core refractive index is %0.2f ",n1)
+printf("\n cladding refractive index is %0.3f ",n2)