วีดีโอ

It felt like only a few years ago that MICR-inspired fonts like Westminster, Data 70, and Minicomputer were universal symbols (well, in English-speaking countries anyway) of computers and technology. It was then replaced slowly by OCR-A, OCR-B, Courier New (another anachronism dating back to the typewriter days), and now squarish geometric fonts and monospace fonts in general.

how about using silver mirror reaction for coting the inside of the chamber in silver

Where is the inductance for you pulse network? No wonder your lamp blew up like A morronic fire cracker on 4th of July 😂 man you can't just dump your capacitor into the lamp like that and call it a day 😂 that was hilariously stupid 🤣 you have to match the puls network to the live time of the lamp ant the lasting time of the lasing material, dude 😅

You could have coated the Aluminum mirror cavity with copper or gold though 🤷‍♂️. Mein Ausbilder sagte einst zu mir "Du Darfst du sein, soviel du willst, du musst dich nur zu helfen wissen" 👀 aber bei dir scheint jede Hilfe zu spät zu sein 🤣.

shrimp????? ...i like it👍🏽🪬😁

Eric: Good work my friend. 2 things.. 1) The likely reason you didn't get an interference pattern in alignment is because the alignment laser was not coherent enough. Some diode lasers and high quality helium are best. In your case, you did it right.. 2) The flash tube: Quartz is good, but Borosilicate is better for passing all spectrum Hope this helps!

Wasn't it worth considering using some jewellers gem polishing paste on the inside of the glass jars?

The salt might be something to do with buoyancy?

As soon as I saw the staining, I thought about plasma cleaning the glass without you mentioning the surface. Maybe this could help.

Ferrofluid diy

😂👍

23:00 I see what you did there

I'd have not played with the microcontroller, way overpowered for the application. A basic pulse counter and a few gates, trigger an 18 khz tone to a supertweeter driving a power amp and when the neighbor's dog goes nuts, I know that the food is done. OK, I'd go nuts too, my high frequency hearing remains unscathed, it's the midrange that's shot to hell... Well, most of the high frequencies, can't hear bats any longer - thank god. Or a lot of the drivel people go on about, save if I crank the volume way up.

I just started a laser welding project for my internship and this really helped me get an impression of how a solid state laser works. I don't know what your job is but you could be a good teacher!

Pulse portrait holograms

I thought that this would be a literal display, like a sort of electronic ink pixel thing (idea for future?). Good work figuring out the nonsticky bit.

Hunh. Sodium carbonate+hydrogen peroxide is similar to something called "base piranha" that etches glass.

I love underrated channels like this

Netowrk :)

Hot, concentrated sodium hydroxide solution followed by a rinse in deionized water would be the simpler solution.

amazing video! would love to see more of your cool projects. Maybe a Spectrometer build with a TCD1304 and some optics :)

I also want to build a solid state laser but I’m fugging dumb and broke

Hey quick question, how did you screw the instrument into the box? Did you need to drill pilot holes in the box first?

Bad way to go

Well, I think you're a genius!

Thank you! 🙌🏽🙌🏽🙌🏽🙌🏽🙌🏽🙌🏽🙌🏽

Make sure not to heat the fluid too much once it’s bubbling it’s good because it will burn and evaporate otherwise lol

Very very cool, glad to see you were ultimately successful. Working on my own yag project here in the coming weeks and you had exactly the info I've been searching for on the output couplers and PFN. Im using krypton lamps from auction though, theyre rated 5kW CW though, so itll be tricky coaxing them into pulses without damaging the electrodes(I imagine at least). It'd be an engineering marvel, but I'd love to turn it into a small laser gun with either CW or pulsed operation available. Garage toys, am i right? 😅🤣

👍

I’m glad that I finally found the kind of video I was looking for, I’ve just been getting How it’s made videos. Sadly, I can’t do this because I lack the equipment, but thanks anyway!

Wouldn't it be less lossy if you pumped the laser rod with appropriate laser diodes? No high voltage power supply, less cooling, etc...

I'm amazed that laser was not done before the sixties as it is relatively easy to achieve.

What will happen if you put some type of dpss crystall in laserbeam? There are lots of diffrent crystals.

Aligning the mirrors perfectly is critical otherwise the "amplified stimulation" part in lASer is missing. Right distance and parallel. So getting those interefernce rings is the critical way to go to get the laser going.

just wondering, would it not be a good idea to have the length of the rod polished ? I'm just guessing but it looks to me like the surfaces are quite rough/opaque compared to the highly polished ends of the rod, would that not help the pump light to enter the rod more efficiently with less scattering ?

dude this goes so hard. thanks for sharing

Hey Eric, I would also love to make a custom music box myself, but I don't have the equipment that allows me to cut and craft with metal. So my idea was: 'Can I make the dots with a soldering iron as well?' I have bought a music box and I will carve off the dots from the cylinder. Now I wanted to use a soldering iron and a bit to Tin to add the dots onto the empty cylinder. Do you think that'll work out? Or do you have tips for me?

Gran video, método en general complicado

Cloudray sold me some, gold tinted for infrared

I need s written step by step lol

I am working on building my own Nd:YAG laser with some surplus laser caivites and finally have everything I need to start setup. Would you provide your PFN and trigger circuit diagrams so I could have another point to look at and compare my designs with? Thanks, your videos were great and helpful!

this is so helpful!

awesome video, love your attitude!

Really nice video dude, you're good teacher. Greetings.

Love the dedication

Awesome, Have fun, this is how I learned most of my electronics

Fantastic video

you can place the rod on its end on a cert. flat piece of marble and with simple machine tools ... a parallel and calipers measure between the marble on one end and the parallel on the other in a few directions and get a very good idea if the ends are parallel

Nice video.

I guess you could try different Rods. I assume there are more, of course Ruby but other types.