add books

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diff --git a/Fiber_Optics_Communication_by_H._Kolimbiris/chapter11.ipynb b/Fiber_Optics_Communication_by_H._Kolimbiris/chapter11.ipynb
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+{
+ "metadata": {
+  "celltoolbar": "Raw Cell Format",
+  "name": "",
+  "signature": "sha256:6cd44032dbf15e431b274fcb89eff0e69cbc30954e1206f394e571ea69d8987f"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 11: Multiplexing"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 11.1,Page number 386"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "\n",
+      "#given\n",
+      "\n",
+      "q=4.9*10**-18;          #in m/W.GHz raman  gain slope\n",
+      "f=100;                  #in GHz\n",
+      "A=50*10**-6;            #cross sectional area in micro  meter square\n",
+      "P0=3.5;                 #in mW\n",
+      "Le=10*10**3;\n",
+      "G=q*f*10**6/2/A;\n",
+      "N=20;\n",
+      "print\"G =\",\"{0:.3e}\".format(G);\n",
+      "CT=N*(N-1)*(P0*10**-3*G*Le)/2;\n",
+      "print\"CT(L) =\",round(CT,3);\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "G = 4.900e-06\n",
+        "CT(L) = 0.033\n"
+       ]
+      }
+     ],
+     "prompt_number": 2
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 11.2,Page number 410"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "\n",
+      "#given\n",
+      "\n",
+      "K0=2*math.pi*625;    #in MHz/V\n",
+      "Ip=0.6;              #in mA\n",
+      "N=64;           \n",
+      "w=2.44;              #in Mhz\n",
+      "Z=5;\n",
+      "Vout=5;              #in V\n",
+      "C=(4*K0*10**6*Ip*10**-3*Z)/(2*math.pi*N*w*w*10**12);\n",
+      "print\"The value of capacitance is\",round(C*10**9,4),\"nF\";\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The value of capacitance is 19.6835 nF\n"
+       ]
+      }
+     ],
+     "prompt_number": 4
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 11.3,Page number 410"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "import math\n",
+      "\n",
+      "#given\n",
+      "\n",
+      "K0=2*math.pi*625;       #in MHz/V\n",
+      "Ip=0.35;                #in mA\n",
+      "N=64;           \n",
+      "w=2.44;                 #in MHz\n",
+      "Z=5;\n",
+      "Vout=4;                 #in V\n",
+      "C=22;                   #in nF\n",
+      "Z=math.sqrt((2*math.pi*N*w**2*C)/(4*Ip*K0*0.25));\n",
+      "print\"Zeta is\",round(Z,4);\n",
+      "\n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Zeta is 6.1904\n"
+       ]
+      }
+     ],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
\ No newline at end of file