"Doped" YAGs ?
A short video explaning what "Doped" YAGs are and how they are used to make different color laser light.......
View ArticleMechanical Laser Show.
Here's a simple handcranked device for creating equally simple patterns. https://youtu.be/_dtBUiaAqRE
View ArticleClik here to view.
this is why I don't like my friends knowing my hobby.
This isn't all my friends, just a couple PI** me off with this crap! I'm obviously the Blue and he's the white. I wasn't gonna post this but I kinda wanted to. Attached Thumbnails Â
View ArticleHow to roughly estimate the beam power of a 532 nm laser?
I just bought a [relatively] cheap 532 nm today. It's Chinese with no stated power rating to speak of. It draws 300 mA at 3 Volts, but that stat is of no use because it clearly has a linear current...
View ArticleA battery recommendation
After some poking around the interwebs and one endorsement from Arcticdude this is a brand I would recommend too Keeppower li-ion battery. Here's a graph of performance. Test/Review of Keeppower 26650...
View ArticleBuild Request - 480nm in a Pen
As many of you may know, these 480nm diode samples have hit the market. What kind of build would be more ***y than a pen? none if you ask me So, I come to you guys for this... Is there any builder out...
View ArticleClik here to view.
505nm and 480nm diode RESULTS
OK guys got word back from kevin FIRST OFF HEADS UP the spec sheet they provide has the wrong pinout. pin 1 is cathode and 3 is anode - on both diodes Pinout matches this The results are as follows (at...
View ArticleNew abstract show "Istanbul, not Constantinople"
This was just a show for fun. I wanted something irreverent. Something to clap along with. Educated silliness and “They Might Be Giants” has always fit that bill. One of the best things to come out of...
View ArticleGreetings from Eastern Europe
Hi there. One more noob joining the forum. My first encounter with this forum was a good number of years back, more than 5, probably, when I got a notion that my life is not complete without a powerful...
View ArticleClik here to view.
A few questions about unusual lenses ???
I have two lenses that have some unusual properties to them and I'm curious about what these unusual properties do. The first is a double concave lens but one side is curved more than the other, What...
View ArticleLasers prove we've been to the moon !
I have always known there is a laser reflector we put on the moon surface but I didn't know it is what's called a "Retroreflector" which can reflect laser light back to it's source from any angle it...
View ArticleClik here to view.
FS: sold
Hi guy's, I have a Aspire Mech-Mod + 2 screw-on heatsink setup's, for sale. I've already got a setup similar so this one is up for grab's!!! Cost: $soldUSD Shipping: sold USD, tracked international...
View ArticleMartial Arts?
Think there was a thread about this years ago, but the poll got lost in the transfer to the new forum software, so here we go again. :D What martial art do you practice? Feel free to post why you...
View ArticleStart a Laser Store
So recently I was introduced to the hobby and I am clucking addicted. I was thinking of opening a store. I am semi skilled in web design and web hosting so I could handle that part but would need...
View ArticleClik here to view.
LPF Stick!
Unfortunately I already started burning it long before I decided to put everyone's name on it, or at least active users. I may start another later. But if your name isn't on here let me know. I have a...
View ArticleMy 1st year on LPF
Whoa, time flies on wings so fast. Just realised that I had my 1-year membership celebration day on yesterday.. Thanks all of you guys for great companion and amazing forum here on LPF! Me thinks it's...
View ArticleSteam summer sale
Each year is more disappointing than the last because I have more of the games I want already. So I spend less which is good but can't brag bout good bundles I've got so much. Also with Steam now doing...
View ArticleAnything wrong with eBay lasers? :(
As you can see with my signature I have a couple of eBay lasers in my collection, I know they aren't of the highest quality but what do you guys think of diode based eBay lasers, like: 650, 635, 515,...
View ArticleLaser Emitting light not in dot or beam
Well I just got a laser of Ricker and it feels very nice but one thing worries me and that is that there is sort a huge circle of light around the laser. I have nothing against it as the laser fulfills...
View Article