From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 3415/CH4/EX4.3/Ex4_3.sce | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 3415/CH4/EX4.3/Ex4_3.sce

(limited to '3415/CH4/EX4.3/Ex4_3.sce')

diff --git a/3415/CH4/EX4.3/Ex4_3.sce b/3415/CH4/EX4.3/Ex4_3.sce
new file mode 100644
index 000000000..e7a0bb003
--- /dev/null
+++ b/3415/CH4/EX4.3/Ex4_3.sce
@@ -0,0 +1,20 @@
+//fiber optic communications by joseph c. palais
+//example 4.3
+//OS=Windows XP sp3
+//Scilab version 5.4.1
+clc
+clear all
+//given
+lambda=0.82//wavelength in um
+n1=3.6//refractive index of core AlGaAs slab
+n2=3.55//refractive index of cladding
+n3=3.55//refractive index of cladding
+n0=1//refractive index of Air
+
+
+//to find
+NA=sqrt(n1^2-n2^2)//Numerical aperture
+alpha0=asind(NA/n0)//Acceptance angle in degree
+
+mprintf(' Numerical aperture  =%f ',NA)
+mprintf(' \nAcceptance angle in range  =+%fdegree to -+%fdegree',alpha0,alpha0)
-- 
cgit