Surely not? We've had LEDs at the low-energy end of the
spectrum for decades; why not an infrared laser?
Or are you inferring that you need the energy in order to
produce secondary effects for the cat's optical apparatus
to track? E.g., flames, smoke, charring..
-- #ken P-)}
Ken Coar <http://Web.Golux.Com/coar/> Apache Software Foundation <http://www.apache.org/> "Apache Server for Dummies" <http://Apache-Server.Com/>