18650 3.7v batteries
I remember a few years back a member was selling great batteries. I think he might have been from Texas. Anyone know if he is still selling his batteries? I bought a few back then but need a couple...
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Driver for cnc DIY
Hello everybody, I try to build laser driver for my laser engraver with a dvd burner. I made this following plan: i chose red laser from dvd burner with 320mA therefore R1= 3,9ohm, 1watts. After...
View ArticleQuick Question for CO2 Lasers
So I was firing up my CO2 Laser again, and I accidentally connected the leads backwards. Realized my stupid mistake within 10 seconds, turned the PSU off and put the leads back on in the right...
View Article5mw Green Diode?
I am trying to find a 5mw green laser diode, w/ a driver attached, because newbies like me don't want to do a test load.
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100 Watt HID Mod
I once modded something similar for a customer and I've since wanted to make one for myself... The host and battery shown below are a perfect fit for each other... :) Note: I'll be updating the beam...
View ArticleMy first experience with 520nm (and mech mods)
Thanks to Ricker, I got my first direct diode green laser today. I've been around lasers in the lab/educational seting, but I'd never seen the green or 462-470nm blue diodes before. First impression of...
View ArticleWindows 10 slow?
Hey all, I'd like to get some opinions from anyone else running windows 10 on their computer. I currently have 2 computers running 10 (a laptop, and a tower), and both were originally Windows 7 that...
View ArticleCompound changes infrared laser to white light retaining divergence
Came across this cool article today: New Compound Can Transform Infrared into Visible Light | Chemistry, Materials Science | Sci-News.com tl;dr scientists have discovered a compound that can transform...
View ArticleNew to hobby
Hello all. I have been lurking on this site for a bit. My jump into this hobby was a purchase of DTR's 22mm modules. I used to be into RC cars and boats a few years ago. That wasnt a cheap hobby at...
View ArticleQuestion about Wicked lasers
I am considering buying an arctic spider 3 1w laser from wicked lasers and have a few questions about shipping to Canada 1)How often if at all do these kinds of lasers get seized by CBSA/customs 2)How...
View ArticleRecommendations on a good source for 532nm modules?
I'm going to be ordering some modules for some builds, and I was planning an order from DX. I figured I'd see if anybody had better recommendations first. I'd really like for some decent quality...
View ArticleIs the 20mw 589nm Dragonlasers Spartan any good?
I want a 589nm but the 50mw one is way too bright. 20mw is still dangerous obviously, but is more along the lines of some of the overpowered chinese ones I currently have. Basically, I just want to...
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"new pics" 6/11/16
These pics were taken the first week in May. Most of them are of two 405nm 500mw lasers going thru two fan diffraction gratings into the two glass spheres. When 405 beams go thru glass they turn green...
View ArticleWhy You Should NEVER Buy Cheap Glasses
So recently, I bought the cheapest pair of glasses I could find on ebay with free shipping, to see if they were good.:thinking: Safety Glasses 600nm 700nm Red Laser Protection Goggle with Hard Protect...
View ArticleXPL discussion - "the miracle company"
Hello folks! I recently discovered a Chinese company called XPL while endlessly searching for yellow lasers on Aliexpress. They had beam-combining RB and RG lasers which caught my eye immediately - and...
View Article10 Watt Blue 445nm Handheld Laser.
https://www.youtube.com/watch?v=aW_4...ature=youtu.be Thoughts?
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EL Wire - Amazing and unique light source
My local electronics store started carrying EL Wire, and the whole range of EL - Pads, tape, wire, adapters and drivers etc... I happily found out when receiving their flyer and went to pick some up...
View ArticleNeed some expertise
Can anyone tell me about the nubm47-a1 vs the nubm44? I know you can get a bit more power out of the 47 but how is the divergence? Is it horrible like the 44 or is it better?
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