Additional Resources
Other Optical Constants Databases
https://refractiveindex.info/
https://science.gsfc.nasa.gov/691/cosmicice/constants.html
https://www.physik.uni-jena.de/en/21824/databases-of-dust-optical-properties
https://www2.mpia-hd.mpg.de/HJPDOC/
https://icedb.strw.leidenuniv.nl/
https://www.sshade.eu/
https://www1.univap.br/gaa/nkabs-database/data.htm
http://www.ct.astro.it/lasp/optico.html