Shameless ad - be one of the first to try my new power meter.
Uses a thermal sensor so no need to enter wavelength ;-)
http://cgi.ebay.co.uk/ws/eBayISAPI.d...m=130088255934
more info
http://www.die4laser.com/D4Thing/D4Thing.html
Also doubles as a hotplate controller for soldering laser diode die.
Regards,
Robin.