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FrozenGate by Avery

Tem01






Trevor said:
I vote you take it apart down to the module and test that. :p

Until then we're only speculating. ><

-Trevor
Click to expand...

I'm in the middle of breaking up with me GF, and moving. So its kind of low on the priority list ATM.
 
this problem is also happen to my 1W 447nm spartan.
after a week, its mode hopping to TEM01.
the center of the beam is actually blank.

i found that the center of the lens is not on a good condition anymore.
there are a bulge on it.

FYI the lens of spartan is acrylic, not a glass lens.
 
The spartan's use acrylic lenses on the 1W? What the the hell. I figured they'd know better.

Though lens melting won't be the culprit on the 405nm TJ is talking about. 30-40mW of 405nm which is what these pens average, isn't going to melt an acrylic. Plus if it was a melted lens, it wouldn't change depending on the orientation of the laser like is happening here.
 
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