www.LaserFreak.net

Let me be more specific with the info:
Dilas M1F2S22-976.2-130C-IS29.2M3

I removed the fibre-attachment gear and placed:
https://www.thorlabs.com/thorproduct.cfm?partnumber=ACL2520U
And it melts stone, concrete and metal at a distance of 50mm or so, fine but the flame-output will damage the lens ...

Well Michael.

No one has yet told me what kind of lenses to use...
With a "neutralising" lens taken from a broken "same-type" i can collimate to a 5-8mm spot
With an aspheric condenser lens i burn a blazing hole thru a tin-can and even more spectacular a wooden stick, it lookes like plasma is ...

Yes, next step of "burning laser-pointer"
Intents is to cut roots of tree stumps to bend them up from the dirt.
My background?

Born in a small town growing up with my mother and two sisters, went to school and learned my abc, had few freinds, one was from south korea, if i stop there at the age of ...

Hi all.

I'd like to focus a 130W laser to a small spot and then collimate it, any suggestions!?

aka
I manage to break a dilas 130W, bought another one and then used to lenses inside the broken one to collimate the "new one" and now I've got a 5-8 mm spot that makes glass of concrete / stone at 2,5 ...