I found in the literature that it is possible to cut about 700um deep (400um wide) in one slow passage at 60W. I'm assuming I could have several passages and cut deeper (re-adjusting focus in between passages). However, since I have no experience doing that, I would like to make sure my assumption is correct and get some advises before getting a 100W CO2 laser. Anyone with such experience?
Hi Hugo,
It is easily possible to make the cut in PDMS using CO2 100W laser. The only hardship that you have to do is to get the optimization for the power require to cut a certain width and depth in the PDMS, cut timings (if it you are using an laser cutting bed) and whether the kerf width is in the acceptable range as per your requirement. If you are trying to make microchannels in PDMS using laser cut, i would advice you to go for molding techniques. They are very reliable and you can easily procure and use them as compare to CO2 laser cutting machines.
Regards
Amit
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