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{
"metadata": {
"name": "",
"signature": "sha256:a213742fda8c74130f9501f7775b062f79302454ea874815627cdc7db481bf9e"
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"worksheets": [
{
"cells": [
{
"cell_type": "heading",
"level": 1,
"metadata": {},
"source": [
"Chapter 17: Introduction To Fiber Optic Technology"
]
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 17.1, page no. 557"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variable Declaration\n",
"n1 = 1.50 # Refractive Index of Substance 1\n",
"n2 = 1.46 # Refractive Index of Substance 2\n",
"\n",
"# Calculation\n",
"import math # Math Library\n",
"THEETA_c = math.asin(n2/n1) # Critical angle of incidence (degrees)\n",
"\n",
"# Result\n",
"print \"The critical angle of incidence between two given substances is THEETA_c =\",round(THEETA_c*180/math.pi,1),\"degrees.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The critical angle of incidence between two given substances is THEETA_c = 76.7 degrees.\n"
]
}
],
"prompt_number": 4
},
{
"cell_type": "heading",
"level": 2,
"metadata": {},
"source": [
"Example 17.2, page no. 566"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variable Declaration\n",
"tr = 2.00*pow(10,-9) # Rise Time (s)\n",
"Cd = 3.00*pow(10,-12) # Capacitance (F)\n",
"Cdh = 2.00*pow(10,-12) # Assumed Capacitance (F)\n",
"\n",
"# Calculation\n",
"import math # Math Library\n",
"BW = 0.35/tr # Bandwidth (Hz)\n",
"Rl = 1/(2*math.pi*BW*Cdh) # Resistance (Ohms)\n",
"\n",
"# Result\n",
"print \"BW =\",round(BW/pow(10,6)),\"MHz\"\n",
"print \"Rl =\",round(Rl),\"Ohms\"\n",
"print \"In practice, a value approximately 25 percent of this calculated value will be used.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"BW = 175.0 MHz\n",
"Rl = 455.0 Ohms\n",
"In practice, a value approximately 25 percent of this calculated value will be used.\n"
]
}
],
"prompt_number": 7
},
{
"cell_type": "heading",
"level": 3,
"metadata": {},
"source": [
"Example 17.3, page no. 569"
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"\n",
"# Variable Declaration\n",
"Mu_A = 40.00 # Diode Current (uW)\n",
"Mu_W = 80.00 # Incident Light (uW)\n",
"\n",
"# Calculation\n",
"import math # Math Library\n",
"R = Mu_A/Mu_W # Responsivity (A/W)\n",
"\n",
"# Result\n",
"print \"The Responsivity of the light detector is R =\",round(R,1),\"A/W.\""
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"The Responsivity of the light detector is R = 0.5 A/W.\n"
]
}
],
"prompt_number": 12
}
],
"metadata": {}
}
]
}
|
