It's a very interesting idea. I'm not the person who would be able to say if this would work or not, but I can't see why not. All I know is the http://mfgcn.com/
sells some cool laser modules, pick up a <5mW red with adjustable focus. Then follow this tutorial: http://www.instructables.com/id/Laser-F ... ht-Hack!!/
(curse those exclamation marks, you'll need to copy and paste to get it all)
simply replacing the banned burner diode with a CD player diode. Should cost <$10 total, not too bad a loss if it doesn't work.
(Make sure you read the comments, never attach a diode to batteries without some form of regulation circuit)