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F1.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="css/calculator.css">
<link rel="stylesheet" type="text/css" href="/WebShop/css/calculator.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/js/bootstrap.min.js"></script>
<script type="text/x-mathjax-config">
MathJax.Hub.Config({tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]},displayAlign: "center"});
</script>
<script async src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.9/angular.min.js"></script>
</head>
<body ng-app="main">
<div class="row" id="Diffraction_limited" ng-controller="control_panel">
<div class="col">
<!-- <h1 class="title">Diffraction-limited angular resolution<small><span data-toggle="collapse" data-target="#info_Diffraction_limited" class="glyphicon glyphicon-collapse-down"></span></small></h1>
-->
<div class="banner" data-toggle="collapse" data-target="#info_Diffraction_limited" class="btn btn-default btn-sm">
<div class="banner-content">
<h1 class="title"> <span class="fa fa-chevron-down"></span> Diffraction-limited angular resolution</h1><br>
</div>
</div>
</div>
<div class="col">
<div id="info_Diffraction_limited" class="collapse" >
<p style="text-align:left;">This calculator will help you computes the radiance of a laser beam propagating in a multi-mode or double-clad optical fiber</p>
<center><img src="image/F1-resize.png"></center>
<b><h2 style="text-align:center;"> $\theta$ = arcsin(NA) </h2></b>
<b><h2 style="text-align:center;"> $\Omega$ = $\pi$NA$^2$ $\Omega$ = 2$\pi$(1-cos$\theta$)</h2></b>
<b><h2 style="text-align:center;"> A = $\pi\frac{D^2}{4}$ R = $\frac{P}{A\Omega}$</h2></b>
<p style="text-align:left;">Optical Power, <b>P</b>; Fiber Core Diameter, <b>D</b>; Fiber Numerical Aperture, <b>NA</b>; Beam's Divergence Solid Angle, <b>$\Omega$</b>; Fiber Core Area, <b>A</b>; Radiance, <b>R</b>;</p>
</div><br>
<fieldset class="input">
<legend>Input</legend>
<div class="col">
<h5>Optical Power, P: </h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="Optical" ng-change="myFunc()">
<span class="input-group-addon">W</span>
</div><br>
</div>
<div class="col">
<h5>Fiber Core Diameter, D: </h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="diameter" ng-change="myFunc()">
<span class="input-group-addon">µm</span>
</div>
</div>
<div class="col">
<h5>Fiber Numerical Aperture:</h5>
<input type="number" class="form-control" ng-model="NA" ng-change="myFunc()">
</div><br>
</fieldset><br>
<fieldset class="output">
<legend>Output</legend>
<div class="col">
<h5>Beam's Divergence Solid Angle, $\Omega$:</h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="ohm" readonly/>
<span class="input-group-addon">Steradian (sr)</span>
</div>
</div>
<div class="col">
<h5><br>Fiber Core Area, A:</h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="Area" readonly/>
<span class="input-group-addon">µm$^2$</span>
</div>
</div>
<div class="col">
<h5><br>Radiance R:</h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="Radiance" readonly/>
<span class="input-group-addon">W/(cm$^2$ sr)</span>
</div>
</div>
<div class="col">
<h5><br>Angle $\theta$:</h5>
<div class="input-group">
<input type="number" class="form-control" ng-model="radian" readonly/>
<span class="input-group-addon">radian</span>
</div><br>
</div>
</fieldset>
</div>
</body>
<script>
angular.module('main', [])
.controller('control_panel', ['$scope', function($scope) {
$scope.myFunc = function() {
$scope.Diameter=$scope.diameter*1e-6
$scope.radian=Math.asin($scope.NA);
$scope.ohm=Math.PI*Math.pow($scope.NA,2);
$scope.Area=(Math.PI*Math.pow($scope.Diameter,2)/4)*1e12;
$scope.Radiance=($scope.Optical/($scope.Area*$scope.ohm))*1e5;
};
}]);
</script>
<style>
fieldset {
background-color: #e6e6e6;
}
</style>
<!--OUTPUT-->
<style>
legend {
font-size: 180%;
border-radius: 10px 10px 0 0;
background-image: linear-gradient(to bottom , lightblue,#03448c 90%);
background-color: #668cff;
color: white;
text-align: center;
}
</style>
</style>
</html>