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Power loss in the galvo's mirrors
I'm wondering, if I am the only one to have a lot of loss in my galvo mirrors : something like 30-35% loss over the two axis!
I have Widemove scanners (also called M9024), the mirrors are normaly >95%, so max 10% loss over two axis...
I tryed to clean them again and again, but nothing better. Maybe I removed some coating by cleaning them too hard?
And you, which loss do you measured? Did anybody who has Widemove (or any other scanners) already measured the power loss?
Seb
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35% loss across your scanners? That's way too much. I loose about 8-10% across my DT-40's. I've been told that some scanners (ie: Cambridge) have even less loss than that. But 35% is crazy. Either you need to clean them, or the coating is shot. Hmmm... Just noticed you said you already cleaned them several times. Maybe your cleaning solution is too harsh?
Adam
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Yes that's why I'm thinking, I consider to change them, but it's a difficult operation.
But it's strange, when I look at the mirrors, they look very clean without any trace of damage, and the reflected beam is perfect, no scatter...
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