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You should really post a link. I'm too lazy to try and find what you're talking about. Obviously I don't have one.

If I had the money I would offer $1000 for the lathe, disc grinder and tall drill press. If he's moving and doesn`t want to have to ship it, he might go for it. With that lathe you could make all kinds of laser parts. But if you don't already know how to use a lathe, than don't even bother...

I feel even more stupid for ever buying a Pulsar from WL(didn't even have a driver). Of course, that was like four years ago too Steve

The reason they wanted it on a plane was so they can intercept the missile right after it is launched(boost phase). This is when the missile is most vulnerable. They probably couldn't blow them up while they're on their way down. The MTHEL millitary laser can blow up smaller stuff from the...

An infrared laser would not be any different than blu-ray or red unless you are talking about watts( thousands of mWs ). The lasers we build on this forum are made with dvd and blu-ray cd burners. A couple of the members were lucky enough to get 500mW from a blu-ray burner laser. That's still...

You should be able to, but if it is only a dvd reader you won't get much output.... maybe 5-10mW, and it won't burn anything exept your retina. A dvd burners' diode would be better, and you could cut black tape and light matches. You would be better off just forgetting those optics and stuff...

Re: FS: Diffraction Gratings. 13,500 lines/inch double axis $4 for 4 is a great deal! I can't wait to get them. My cats are going to go crazy.

You need a brick Power Supply Unit(PSU). 12 VDC with a ballast resistor will not light up a Helium Neon Laser tube. That tube will need at least 1000 VDC at very low amperage to lase. To get a PSU, look on Ebay or PM member "Heruusciences". He (Chris) supplied me with mine. You need to be...

I don't mind doing it. Is it sku 1997? PM me. You'll have to PayPal me the money plus shipping($13canadian). Also, you should know, DX takes about a month to get stuff to me.

Big thanks to JimmyMCJimtheJim for pointing out that HeNe pointer on E-bay. I shopped victoriously.(won) Just waiting on the seller to give me a final shipping price. Should be around $67AUD. That's pretty good compared to what it probably costed brand new in the 1980s. ($1000+) Message to...

I can't wait for these drivers to become available here on the forum. I'm pretty good with a soldering iron, but I'm not about to build a pulsed driver. Hats off to Frosty for developing one.

Awesome job. Seeing how a green dpss laser works in action really clarifies things. That must have taken a lot of time and patience to set that up and not bump the table for enough time to take the pictures. Very cool. Steve

I just saw John post this link so I checked it out and I baught it too. Looks like a good host for a laser to run off of 18650 batteries. Steve

It looks like a nice host, but who knows what's really inside of it. It looks too good to be ''true''.

I made a couple of 100mW blue-rays with the batteries, charger and sticker specifically to sell on this forum. They were made of all brand new parts, and they cost $75 in parts plus my time to make them. Then some total jack-ass came in and took a big shit all over my thread, saying that they...

That movie was awesome. Executive Decision starring Kurt Russel and Steven Seagal gets killed in the first 10 minutes of the film. That laser could actually be a reality now.

We all know that Rog is the master when it comes to new and unique laser builds. First off, the demonstration of whoever lighting a smoke is just plain stupid. Look how close it is to his eyes. Kipkay should have at least mentioned Rogs' build being his inspiration and shouldn't have said...

Tritium isn't radioactive enough to penetrate skin. I wouldn't want to accidentally breath any in though. I have one of those keychains on the back end of my bottle style green laser. That small amount of gas couldn't harm a fly.

I baught my first laser when I was 12, in 1992. It was 79.99 at Radio Shack plus tax($92Canadian) It took 3 N sized batteries to run it and it was 0.08mW. Sure was fun until I shined it onto a cop at the mall and he took it away.

Hey Alex You asked "I guess it's time to replace it with a PHR. (btw, does anyone know, will a rkcstr run off of two CR2 3.0V?) " I believe a PHR and a rkcstr driver would run off of two CR2 rechargeables. My PHR with a 114mA fixed rkcstr runs off of two 10440 batteries that are rated 3.6V...