{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import numpy as np\n",
    "import matplotlib.pyplot as plt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from solcore.light_source import LightSource, SmartsSolverError"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "wl = np.linspace(300, 3000, 200)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Now different types of light sources can be defined"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "gauss = LightSource(source_type='laser', x=wl, center=800, linewidth=50, power=200)\n",
    "bb = LightSource(source_type='black body', x=wl, T=5800, entendue='Sun')\n",
    "am15g = LightSource(source_type='standard', x=wl, version='AM1.5g')\n",
    "spectral = LightSource(source_type='SPECTRAL2', x=wl)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Plot comparing the different light sources"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "plt.figure(1)\n",
    "plt.plot(*gauss.spectrum(), label='Gauss')\n",
    "plt.plot(*bb.spectrum(), label='Black body')\n",
    "plt.plot(*am15g.spectrum(), label='AM1.5G')\n",
    "plt.plot(*spectral.spectrum(), label='SPECTRAL2')\n",
    "\n",
    "try:\n",
    "    smarts = LightSource(source_type='SMARTS', x=wl)\n",
    "    plt.plot(*smarts.spectrum(), label='SMARTS')\n",
    "except SmartsSolverError:\n",
    "    pass\n",
    "\n",
    "plt.xlim(300, 3000)\n",
    "plt.xlabel('Wavelength (nm)')\n",
    "plt.ylabel('Power density (Wm$^{-2}$nm$^{-1}$)')\n",
    "plt.tight_layout()\n",
    "plt.legend()\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "try:\n",
    "    if \"smarts\" in locals():\n",
    "        # Plot comparing the spectra calculated with SMARTS at different hours of the day\n",
    "        for h in range(8, 20):\n",
    "            plt.plot(*smarts.spectrum(HOUR=h), label='{} h'.format(h))\n",
    "        plt.xlim(300, 3000)\n",
    "        plt.xlabel('Wavelength (nm)')\n",
    "        plt.ylabel('Power density (Wm$^{-2}$nm$^{-1}$)')\n",
    "        plt.tight_layout()\n",
    "        plt.legend()\n",
    "except SmartsSolverError:\n",
    "    pass\n",
    "\n",
    "plt.show()"
   ]
  }
 ],
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