Material Database

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<?xml version="1.0" encoding="utf-8"?>
<!-- derived from data found on http://www.octonus.com/oct/projects/adsorbtion_spectra.phtml -->
<scenedata>
		<medium>
			<name>Emerald_medium</name>
			<precedence>10</precedence>
			<basic>
				<ior>1.576</ior>
				<cauchy_b_coeff>0.014</cauchy_b_coeff>
				<absorption_coefficient_spectrum>
					<regular_tabulated>
						<start_wavelength>0.38E-06</start_wavelength>
						<end_wavelength>0.76E-06</end_wavelength>
						<num_values>20</num_values>
						<values>
							184.058 199.834 220.868 173.539 141.987 78.881 36.812 39.441 68.363 105.175 147.246 184.058 231.386 262.939 241.904 236.644 131.47 105.175 89.398 0.0
						</values>
					</regular_tabulated>
				</absorption_coefficient_spectrum>
			</basic>
		</medium>
		<material>
 		<name>Emerald</name>
 		<specular>
 			<transparent>true</transparent>
			<internal_medium_name>Emerald_medium</internal_medium_name>
 		</specular>
 		</material>
</scenedata>
-->