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The 7 watt would be your best bet if youre just starting. Dont skimp on safety goggles!

Personally Id go for the 470nm blue, mostly because Teal is my favorite color, and I have enough strong blues, second would be the green since I dont have any strong greens yet, but personally its your choice and you must be safe, for what purpose do you want a high power laser?

What do you want help with? All 3 lasers will burn, The green will appear brightest to the eye, and the blues are just hella powerful. You better invest in some protective eyewear first!

If youre too broke to play with green lasers like me, https://www.survivallaser.com/Eagle_Pair__190-470nm___660-760nm_Laser_Safety_Goggles/p556088_3653083.aspx Get these, they work spectacularly, I have the same ones. I play mostly with 405-450 nm lasers, 50w+. They also protect me from my 636...

So I need to figure out some kind of lense setup that makes the focal point as far as possible from the output, or near the output but with good divergence

fiber could be an option, if I converge all the energy into the end of a fiber optic couldnt I technically pump as much wattage through I want through it then terminate it into a simple lense like a cheap commercial pointer lense to get one decent line? Even having a 5 inch beam would be fine as...

can a beam expander turn shittily collimated light into one confined beam?? (Curious about my knife edged projector arrays that have a focal point that melts glass and zinc..) (edit) I saw your post and the expander only collimated the beams to a further focus point. Is there anyway to...

Most of the time green light is produced via DPSS in cheap lasers. Im not sure in honesty how green 'diodes work' but its probably the reason so many green lasers start with an infrared beam then split the nm in half to get green.. light harmonics or something.. I dont understand how magic...

Hiya and welcome to the forums!! I know its probably already answered but I'll give ya my take here as well, though I highly agree with Paul~ Safety glasses, always buy from a reputable manufacturer, the forums should have a list here somewhere maybe, also styro made a good video on this and...

So just get a concave and a convex lenses and separate them by the sum of their focal distances.. Shine into the smaller concave, get it out the larger convex for a larger beam with better divergence? How does this work if Im wrong or if it can be done better~

https://www.ebay.com/itm/143296034339?hash=item215d1bf623:g:J6EAAOSw32lYql5n https://www.ebay.com/itm/142351969799?hash=item2124d6ae07:g:UbYAAOSwRbVhDpLE Or if youre looking for something terrifying and higher price https://www.ebay.com/itm/143610372878?hash=item216fd8630e:g:TYUAAOSwST9gVXF5...

To try and fix the divergence and have a more stable beam?

Try a new battery, not much else you can do without further damage and\or voiding the warranty, if any

eBay

After a long dormancy and moving, I finally got to my laser box. After melting a few small zinc discs with my projector arrays, I broke out my red arrays. I got thinkin, broke out the soldering iron, and got to work... I apologize for the shitty camera quality as currently my only electronic...

Can you pay shipping? It's only fair I offer to you first. Bubble wrap, if Schorshi can't would you be willing to pay shipping via paypal :) thank you

I have two working FAP1200 Fiber Optic Laser Modules that will take around 60 amps@2v and produce 80W of infrared lasers light. The units are functioning, and will be shaped same day via USPS priority. Asking price is 80$ for one unit, or 150$ for the pair plus shipping. Offers heavily considered.

Would lasic lasers be technically eye safe? Lasers are eye safe under the right circumstances. Such as.. hm, I guess if it's eye safe they don't call it a laser you win

A handheld laser pen of course :p

A 10w death ray?