The Spyder 3 is the most powerful laser currently available that complies as FDA 3a/3r.
You can get one from http://www.wickedlasers.com/
Ok Bob, let me know how you get on or if I can be of any further assistance at all...
Sorry for the delay in getting back to you.
I've been pondering this over the past couple of days but I cannot figure out a suitable solution for you, so I'm afraid I will have to opt out.