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diff --git a/Solid_state_physics/Chapter_12_1.ipynb b/Solid_state_physics/Chapter_12_1.ipynb deleted file mode 100755 index 2311a687..00000000 --- a/Solid_state_physics/Chapter_12_1.ipynb +++ /dev/null @@ -1,252 +0,0 @@ -{ - "metadata": { - "name": "" - }, - "nbformat": 3, - "nbformat_minor": 0, - "worksheets": [ - { - "cells": [ - { - "cell_type": "heading", - "level": 1, - "metadata": {}, - "source": [ - "Chapter 12: Fiber Optics" - ] - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.1, Page number 12.6" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "n1 = 1.55 #refractive inde of core\n", - "n2 = 1.50 #refractive index of cladding\n", - "\n", - "#Calculation\n", - "NA = math.sqrt(n1**2-n2**2)\n", - "\n", - "#Result\n", - "print \"Numerical Aperture =\",round(NA,3)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Numerical Aperture = 0.391\n" - ] - } - ], - "prompt_number": 3 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.2, Page number 12.6" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "n1 = 1.563 #refractive inde of core\n", - "n2 = 1.498 #refractive index of cladding\n", - "\n", - "#Calculation\n", - "NA = math.sqrt(n1**2-n2**2)\n", - "alpha_i = math.degrees(math.asin(NA))\n", - "\n", - "#Result\n", - "print \"Angle of acceptance =\",round(alpha_i,2),\"degrees\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Angle of acceptance = 26.49 degrees\n" - ] - } - ], - "prompt_number": 14 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.3, Page number 12.6" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "NA = 0.39 #numerical aperture\n", - "delta_n = 0.05 #differnce between refractive indices of core & cladding\n", - "\n", - "#Calculaations\n", - "n1 = NA/math.sqrt(2*delta_n)\n", - "\n", - "#Result\n", - "print \"Refractive index of core =\",round(n1,4)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Refractive index of core = 1.2333\n" - ] - } - ], - "prompt_number": 16 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.4, Page number 12.7" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "#Variable declaration\n", - "n1 = 1.563 #refractive inde of core\n", - "n2 = 1.498 #refractive index of cladding\n", - "\n", - "#Calculation\n", - "delta = (n1-n2)/n1\n", - "\n", - "#Result\n", - "print \"Fractional index change for the given fiber is\",round(delta,4)" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Fractional index change for the given fiber is 0.0416\n" - ] - } - ], - "prompt_number": 17 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.5, Page number 12.7" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "n1 = 1.48 #refractive inde of core\n", - "n2 = 1.45 #refractive index of cladding\n", - "\n", - "#Calculations\n", - "NA = math.sqrt(n1**2-n2**2)\n", - "alpha_i = math.degrees(math.asin(NA))\n", - "\n", - "#Result\n", - "print \"Numerical aperture =\",round(NA,4)\n", - "print \"Angle of acceptance =\",round(alpha_i,2),\"degrees\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Numerical aperture = 0.2965\n", - "Angle of acceptance = 17.25 degrees\n" - ] - } - ], - "prompt_number": 18 - }, - { - "cell_type": "heading", - "level": 2, - "metadata": {}, - "source": [ - "Example 12.6, Page number 12.14" - ] - }, - { - "cell_type": "code", - "collapsed": false, - "input": [ - "\n", - "import math\n", - "\n", - "#Variable declaration\n", - "Pout = 40. #output power(mW)\n", - "Pin = 100. #input power(mW)\n", - "\n", - "#Calculation\n", - "A = -10*math.log10(Pout/Pin) #Attenuation(dB)\n", - "\n", - "#Result \n", - "print \"Attenuation =\",round(A,2),\"dB\"" - ], - "language": "python", - "metadata": {}, - "outputs": [ - { - "output_type": "stream", - "stream": "stdout", - "text": [ - "Attenuation = 3.98 dB\n" - ] - } - ], - "prompt_number": 22 - } - ], - "metadata": {} - } - ] -}
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