Added(A)/Deleted(D) following books

 A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter10.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter11.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter12.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter13.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter14.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter2.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter3.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter4.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter5.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter6.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter7.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter8.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter9.ipynb
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/screenshots/1.png
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/screenshots/2.png
A  Fiber_Optics_and_Optoelectronics_by_R._P._Khare/screenshots/3.png
A  sample_notebooks/LalitKumar/Ch3.ipynb

1 files changed, 246 insertions, 0 deletions

diff --git a/Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter6.ipynb b/Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter6.ipynb
new file mode 100644
index 00000000..042791db
--- /dev/null
+++ b/Fiber_Optics_and_Optoelectronics_by_R._P._Khare/Chapter6.ipynb
@@ -0,0 +1,246 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Chapter6 - Optical fiber cables and connections"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 6.1 : Page 119"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "refractive index = 1.59\n"
+     ]
+    }
+   ],
+   "source": [
+    "from __future__ import division\n",
+    "#refractive index\n",
+    "l=0.47##in db\n",
+    "nf=10**((l/-10))##\n",
+    "from sympy import symbols, solve\n",
+    "x=symbols(\"x\")\n",
+    "p=1+-2.22*x+x**2##\n",
+    "y=solve(p,x)##\n",
+    "print \"refractive index = %0.2F\"%y[1]"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 6.2 : Page 121"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "part (a)\n",
+      "insertion loss at the joint = 0.64 dB\n",
+      "part (b)\n",
+      "insertion loss at the joint = 0.286 dB\n"
+     ]
+    }
+   ],
+   "source": [
+    "from math import log10, acos, pi\n",
+    "#loss\n",
+    "print \"part (a)\"\n",
+    "dya=0.1##\n",
+    "n1=1.50##refrative index\n",
+    "na=1##\n",
+    "k1=n1/n1##\n",
+    "k2=1##\n",
+    "nf=((16*(n1)**2)/((n1+1)**4))##\n",
+    "nlat=(2/(3.14))*(acos(dya/2)-(dya/2)*(1-(dya/2)**2)**(1/2))##\n",
+    "nt=nf*nlat##\n",
+    "lt=(-10*log10(nt))##in dB\n",
+    "print \"insertion loss at the joint = %0.2f dB\"%lt\n",
+    "print \"part (b)\"\n",
+    "dya=0.1##\n",
+    "n1=1.50##refrative index\n",
+    "na=1##\n",
+    "k1=n1/n1##\n",
+    "k2=1##\n",
+    "nf=((16*(n1)**2)/((n1+1)**4))##\n",
+    "nlat=(2/(pi))*(acos(dya/2)-(dya/2)*(1-(dya/2)**2)**(1/2))#\n",
+    "nt=k2*nlat##\n",
+    "lt=(-10*log10(nt))##in dB\n",
+    "print \"insertion loss at the joint = %0.3f dB\"%lt"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 6.3 : Page 122"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "total loss = 0.75 dB\n"
+     ]
+    }
+   ],
+   "source": [
+    "from math import sqrt\n",
+    "#loss\n",
+    "d=100##micro meter\n",
+    "dx=0##\n",
+    "dy=3##in micro mete\n",
+    "dth=3##in degree\n",
+    "dthr=dth*(pi/180)##\n",
+    "dya=0.02##\n",
+    "n1=1.48##refrative index\n",
+    "na=1##\n",
+    "k1=n1/n1##\n",
+    "k2=1##\n",
+    "nf=((16*(n1)**2)/((n1+1)**4))##\n",
+    "nlat=(2/(pi))*(acos(dy/100)-(dy/100)*(1-(dy/100)**2)**(1/2))##\n",
+    "NA=n1*(sqrt(2*dya))##\n",
+    "nang=((1-(na*dthr)/(pi*NA)))##\n",
+    "nt=nf*nlat*nang##\n",
+    "lt=(-10*log10(nt))##in dB\n",
+    "print \"total loss = %0.2f dB\"%lt"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 6.4 : Page 124"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "total loss = 4.1260 dB\n"
+     ]
+    }
+   ],
+   "source": [
+    "from scipy import log10\n",
+    "#loss\n",
+    "d1=80##micro meter\n",
+    "na1=0.25##\n",
+    "alpha1=2##\n",
+    "d2=60##in micro meter\n",
+    "na2=0.21##\n",
+    "alpha2=1.9##\n",
+    "ncd=(d2/d1)**2##\n",
+    "nna=(na2/na1)**2##\n",
+    "nalpha=((1+(2/alpha1))/(1+((2/alpha2))))##\n",
+    "nt=ncd*nna*nalpha##\n",
+    "lt=(-10*log10(nt))##in dB\n",
+    "print \"total loss = %0.4f dB\"%lt"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example 6.5 : Page 125"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "total loss forward direction = 3.52 dB\n",
+      "total loss backward direction = 0.217 dB\n"
+     ]
+    }
+   ],
+   "source": [
+    "#loss\n",
+    "d1=60##micro meter\n",
+    "na1=0.25##\n",
+    "alpha1=2.1##\n",
+    "d2=50##in micro meter\n",
+    "na2=0.20##\n",
+    "alpha2=1.9##\n",
+    "ncd=(d2/d1)**2##\n",
+    "nna=(na2/na1)**2##\n",
+    "nalpha1=1##\n",
+    "nalpha=((1+(2/alpha1))/(1+((2/alpha2))))##\n",
+    "ncd1=1##\n",
+    "nna1=1##\n",
+    "nt=ncd*nna*nalpha1##\n",
+    "ltf=(-10*log10(nt))##in dB\n",
+    "nt1=ncd1*nna1*nalpha##\n",
+    "ltb=(-10*log10(nt1))##in dB\n",
+    "print \"total loss forward direction = %0.2f dB\"%ltf\n",
+    "print \"total loss backward direction = %0.3f dB\"%ltb"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.9"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}