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authorkinitrupti2017-05-12 18:40:35 +0530
committerkinitrupti2017-05-12 18:40:35 +0530
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-{
- "metadata": {
- "celltoolbar": "Raw Cell Format",
- "name": "",
- "signature": "sha256:917822aee3e6229a07a87d63057673511f871c7eaa92b0a4cf62ab72d96f74ad"
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
- {
- "cells": [
- {
- "cell_type": "heading",
- "level": 1,
- "metadata": {},
- "source": [
- "Chapter 4: Optical Detectors"
- ]
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.1,Page number 99"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "#given\n",
- "\n",
- "Tn=5; #in micrometer\n",
- "Vs=10**7; #in m/s\n",
- "tr=Tn*10**-6/Vs;\n",
- "print\"Response time\",tr/10**-12,\"ps\";\n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Response time 0.5 ps\n"
- ]
- }
- ],
- "prompt_number": 2
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.2,Page number 106"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "#given\n",
- "\n",
- "\n",
- "Pd=1.15; #in mW\n",
- "\n",
- "TA=25; #in deg C\n",
- "theta_JA=200; #in C/W for hermetric led\n",
- "TJ=TA+theta_JA*Pd/10**3;\n",
- "TF=8.01*10**12 *math.e**-(8111/(TJ+273));\n",
- "print\"Value of TJ is\" ,round(TJ,4), \"deg C\";\n",
- "print\"Value of TF is\" ,round(TF,4), \"deg C\";\n",
- "\n",
- "BF=1.1*10**-3; #from table\n",
- "QF=0.5; #from table\n",
- "EF=1; #from table\n",
- "RF=BF*TF*EF*QF*1/10**6;\n",
- "print\"Value of RF\",\"{0:.3e}\".format(RF);\n",
- "print\"Value of MTBF is \",\"{0:.3e}\".format(1/RF),\"hours\";"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Value of TJ is 25.23 deg C\n",
- "Value of TF is 12.3614 deg C\n",
- "Value of RF 6.799e-09\n",
- "Value of MTBF is 1.471e+08 hours\n"
- ]
- }
- ],
- "prompt_number": 1
- },
- {
- "cell_type": "heading",
- "level": 2,
- "metadata": {},
- "source": [
- "Example 4.3,Page number 114"
- ]
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [
- "import math\n",
- "\n",
- "#given\n",
- "\n",
- "R1=0.7;\n",
- "R2=0.99;\n",
- "ad=0.1;\n",
- "\n",
- "Ld=1-R1*R2*math.e**-(2*ad);\n",
- "print\"Decay Loss \",round(Ld,4);\n",
- "trt=40; #fs\n",
- "tph=trt/Ld;\n",
- "print\"Photon lifetime \",round(tph,4),\"fs\";\n",
- "BW=1/tph;\n",
- "print\"Bandwidth\",round(BW*1000,4) ,\"Thz\"; #Answer in Thz \n"
- ],
- "language": "python",
- "metadata": {},
- "outputs": [
- {
- "output_type": "stream",
- "stream": "stdout",
- "text": [
- "Decay Loss 0.4326\n",
- "Photon lifetime 92.46 fs\n",
- "Bandwidth 10.8155 Thz\n"
- ]
- }
- ],
- "prompt_number": 13
- },
- {
- "cell_type": "code",
- "collapsed": false,
- "input": [],
- "language": "python",
- "metadata": {},
- "outputs": []
- }
- ],
- "metadata": {}
- }
- ]
-} \ No newline at end of file