Re: GGW-H20L 6x Sled GB!!! THE EPIC GB THREAD LAWL
Well, i took some time off, to do some testing.
I forced the ultra low efficiency de-canned 4x to put out >150mW. It's doing 157mW at 193mA.. Let's see how long this lasts..
The current is really high, which worries me, but the power is comparable to the first 4x i put through testing.
What i want to find out is, if diodes of a different efficiency are set to the same power (instead of the same current), which will last longer. The high or the low efficiency ones.... The low efficiency ones are at a disadvantage of the high current required to bring them to the same power.
EDIT: Just measured it at 152mW. Could it really be degrading this quickly?!? I thought it could be temperature, so i put it in my pocket powered up for a few minutes, for it to warm up, and it was back at it's original power.
Problem is, even at the super high current, the diode is still in it's kink. As it warms up and the kink moves up, the power gets higher. It's too dependant on the temperature. It's gonna be hard to track degradation this way.
Another thing that bothers me is, even if they can survive being pushed above their kinks, with 4x's, these kinks are often so long, that the beam is still deformed, when the graph would seem to indicate that the kink is over. I don't like distorted spots. I could push it till the spot fills out again, but then i woud shorten it's life even more.. I think PHRs have much shorter kinks... Or at least the spot fills out much faster, as you raise the current.
EDIT 2: I got bored of the kinky spot and pushed the windowless 4x a bit further, to 205mA, where it's putting out 170mW. But the spot is still deformed..
I also noticed something very interesting. I've never seen this before. It's a projection of the top of the pedestal next to the beam! I guess the light reflecting off the lens reflects off the pedestal and comes back out as a projection. Somehow it would seem the can blocks this under normal circumstances.
Did anyone ever see this with de-canned diodes?
EDIT 3: It's at <130mW now after less than an hour of use!
I stopped using it so that i can plot it again, and hopefully get to see what degradation really looks like. Since there's 40mW missing, the difference should be very noticable! This is the first time i'm happy about a diode degrading.. ;D
