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How to achieve 0.01mm laser spot size?

R

rajhlinux

Member
Joined
Dec 26, 2020
Messages
67
Points
8
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So I ended up buying the famous 405nm "BDR-209" laser module with the G2 lens from "DTR" at eBay. Seems like Mr. "DTR" is a serious laser guy, with over 7K 5-stars at eBay, I gotta say thanks to Mr. "Giannis_TDM" and "Alien Laser" for providing such reputable laser source, I always seeks for the most professional, reliable and honest sources when it comes to buying electronic components.

I got in contact with two professional "f-theta" lens company, one from "Egimos" and another from "Geomatec".

"Egimos" can produce f-theta lens like the ones found in laser printers and can customize tailored to my needs.
"Geomatec" has precision based f-theta lens like the ones fiber lasers use with galvo scanners.

Hopefully I'll find a solution which can make the scanning laser beam down to 0.01mm at the surface accurately and reliably all day without breaking the bank...
 





L

LH4PI

New member
Joined
Jul 8, 2023
Messages
1
Points
1
Hi , rajhlinux
Did you achieve your goal to get that fine focus at 300 mm distance as you want using 405nm "BDR-209" laser module with the G2 (or maybe G8 ) lens from "DTR" I have an Form1 runnin openfl that I want to change the uv laser source to get finer focus (presently 0.130 mm) so your finding could be of interest .

Best Regards Lars
 
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