Light-matter interactions [img:3f72555e71]http://mw.concord.org/modeler1.3/mirror/quantum/light1.gif[/img:3f72555e71][img:3f72555e71]http://mw.concord.org/modeler1.3/mirror/quantum/light2.gif[/img:3f72555e71] [url]http://mw.concord.org/modeler1.3/mirror/quantum/lightmatter.html[/url]