A project log for Measuring DVD-RW laser

Scientific approach to figuring out max drive current

DeepSOICDeepSOIC 01/05/2016 at 21:560 Comments

I became curious, if temperature of the diode affects the onset of the wiggles in the L/I curve. Sure it does.

I can't say it's totally unexpected. Upon heating, the wiggles start at higher currents. But the output power at the onset drops. So the wiggles are not tied to specific output power, and to specific current.