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thanks guys (and GALS) for all your input. I'm taking a hiatus for a month and will be working on it off and on, I'll let you know what the outcome is.... thanks! i think a 405 nm beam is where I will go, as it seems best fitted for testing ($) and for my project. Thanks

SOrry, meant to pm

Hi, I actually am serious, as I'm looking to do a project on a budget...even though I realized I shouldn't be sacrificing safety for money.... would you suggest these as being decent?: Protection Safety Glasses Goggle for 808-850nm IR Laser - eBay (item 220440030652 end time Dec-14-10 07:12:40 PST)

also, would it be wise to use a lower NM beam? or would that negate the cutting effect, seeing as the beam would be spread out with a line generator. I don't want to go blind when using it, so would a 655nm with a higher wattage suffice?

great, sounds like glass line generators are the way to go. what beam would you recommend then for optimal 'cutting'/burning, other than an 808nm?

Honestly, I'm not the kind of person who forgets about ideas. Once I come up with one, there's not much you can do to stop my mind. Mind you, I don't know if I mentioned this, but the size of the 'knife" length I need is no more than 2inches....which I think I could attain after trial and...

less than one mm. i'm going to try a 200mw 808nm 'portable' version first. do you think the line generator would melt away? this would be a big problem! thanks

oh, very sorry, i had edited it to say 200, but left out the 2... basically I would like to try a 808nm maybe 1w laser and attach that to a 'line generator' in order to have it act like a knife to cut a small thread....also, i would like this to run on batteries, thus making it small or...

does anyone know what I need? there have been 40 views, I cannot believe nobody knows that I'm talking about...should I explain it better?

Would anyone recommend the cheap $15 laser googles for protection against red 655nm 200mw laser? New and used laser goggles, Electronics, Business Industrial on eBay.ca

Hi there! I just joined this forum as it seems like a very knowledgeable one with professionals who visit regularly. Basically I have a few questions regarding building a small size laser. I currently own a 200mw red laser pointer which I obtained through DX for $30. It is about the size of...