On 09/03/11 06:36, jmelson2 wrote:
> I use Kodak digital sciences laser recording film, apparently made for laser recording of medical scans. I don't know if regular B&W paper is red sensitive.
It's not -- but it is blue sensitive! Hence the use of a BluRay LD.
How did you rig up the laser driver? High speed opamp to generate
constant current, then another one driving a transistor/resistor shunt
to short over the diode (and thus set the current through the diode)?
Thanks,
--
Phil.
ygroups@...http://www.philpem.me.uk/