[Laser] laser diode data sheets ?

[F1AVYopto at aol.com]

Steve, 
You could have a look on:
_http://pageperso.aol.fr/YvesF1AVY/UK2.html_ 
(http://pageperso.aol.fr/YvesF1AVY/UK2.html) 
The  schematic can be modified for a 30 mA current.
Be careful because the wiring  of laser diodes can be very different versus 
provider.
73 Yves  F1AVY