Variable blu-ray laser control

[wwwtotalitaerde]

Check out my homepage for further experiments using laser. There are several easy to do examples to split the beam, modulate on of the two and then recombine them to produce low frequency beats. These beats should be able to induce currents into the body to transmit sound or steer muscles if used with high power lasers.

[TheHuwaidah]

duamm star-warts is back

[blahrg65]

Not that hard to attach a rheostat to a battery assembly, We did it a lot in my PHY 111 class.

[42191bd]

now figure out how to control the length of the beam and u will have made a light saber sir. lol

[FrigginSmift]

Ah, back in the good old days when ~20mW of 405 was the sh!t :D

[link1478]

@FrigginSmift I know now its mostly ~1-2W of 450nm

Dear lord please help the buyers of these powerful lasers to use safety goggles!

[tomrvn666]

lmfao, its not that complicated to make it:P like seriously. i could just watch an bloody tutorial and i would be able to create a thing just like that. but seriously thats a high intensity laser. not strong to cause major damage but it could easily blind you.

[jayls5]

@tomrvn666

This video was made about 3 years ago. People weren't really putting out tutorial videos you could watch at the time.  Also, the laser was weak... in the range of 5-10mW. Like seriously.

[killankyboi]

@MikeDino1 tosser

[MOZZWIGAN]

Love it! I want it!

[DisturbedAndMore]

wouldnt that just be pot modding

[NoPointSketch]

No protection glasses? even you built the variable control.... Your not that smart using it.... :O

[jayls5]

@NoPointSketch

By protection glasses, you mean sun-glasses (they work on this wavelength). We didn't need them. We knew the output was low.

[vilipukki]

LIGHTSABER!

[Rayden440]

Light Saber lol

[mercanaries3]

@MikeDino1

uh oh!!!

ding ding ding!! siren going off

RETARD ALERT RETARD ALERT!!

[joemcbobinite]

whats its burning capabilities? this is supa cool to me haha.im still jus learnin bout lasers and was wondering if you could do that. awesome you can sounds simple but how do you put the rheostat in or w/e?

[Firecloud20]

laser sword woho

[apxeli]

LUKE, I'M YOUR FATHER!

[hemi243]

im building one of these with a blu ray disc laser from an old ps3

[MaXiKiNg05021984]

@hemi243

"an old ps3" ... sounds funny xD

[lennartjuhh]

awesome

[kopjesenseo]

it looks like that each blu ray laser have an different color blue on youtube.

i think that is how the camera ''sees'' that violet color.

some looks much more blue and others looks much more violet/purple...but purple

is on the other site of the human vision spectrum.

violetblue looks purple because our blu cones in the eye can't see the real violet color because we have only red green and blue conest and can only see each color tint within that 3 cone range.

[ouyeso]

nice

[BEASYtheGREAT]

nyce

[sarahpage01]

whats a blue-ray light for?? is it just a laser?

[jayls5]

@MikeDino1

Nah, You're just retarded. hahaha.

[Hyudryu]

@jayls5 Lol. True

[ultra4delux]

dude all he is doin is adjusting the pot resister while having the laser on...easy stuff

[BigFatLoserDude]

seems kinda fat for a laser,,, are you sure that's not just " lens flare "

[MrRedeyedJedi]

may i just ask.. where can i obtain the laser you see here?.. don't want an xbox laser lol ;p

[joncmaxwell]

oh man.... radiation

[erj154]

Just to put a variable resistor =)

[MrRedeyedJedi]

winki you remind me of the classic troller raywilliamjohnson impersonates. what the hell made you think something so obserd as it being fake anyway? "hmm..what shall I do today~? oh! I know.. I'll make and post a fake video of a blu-ray laser"???...why would someone waste time doing that lol wtf. man there needs to be an age limit on youtube or something.. no.. a compulsery stupidity anylsis test! can't annoy and waste peoples time then lol. MEEP.. sorry.. your score was bollux, NO access.

[TiagoTiagoT]

it would be an interesting, and potentially easy SFX exercise

[winkipinky]

the light beam angles don't match with the motion on your FAKE video, but nice try....I am sure you fooled many fools.

[jayls5]

Haha ok buddy. This is not complex stuff here. Rheostats in conjunction with a basic current regulating circuits allow you to control output on DPSS lasers. The video was taken with a crappy old Canon S410 camera. I would love to have the video editing skills to make a fake version of what you see here. I actually still have a video of the first one my friend and I made here: BwmnAqkT734. Or this one: 8VV7NKXjSeI .... or this one: 21n0drWI24o . I guess we faked all of them huh?

[Jinashimaru]

@Author:

Win.

[Hyudryu]

@jayls5 -.- So many people without brains. Its at an angle because the diode didnt align with the lenses PERFECTLY so its a bit slanted. No need to hate

[Zenodilodon]

It's an optical illusion. your brain is just trying to make sense of the beams stop at the video so it makes it look off. same thing with pointing it up in the sky, it looks like it just stops where in reality it doesn't your brain just process a stop where the vanishing point is. thos is not a fake video.

[choab]

yeah, in ya mouth

[gigobait]

@winkipinky Dude ur an idiot..

[chemicaltemptation]

cooool! i wanna have one too! ^^

[mariokart81]

lightsaber

[narotu200]

o look a giant light saber that you can see but it has no plasdtic with cheap led`s

[kathodenstrahl45]

awesome laser

[Weezy95100]

ur howt

[catmaster141]

very cool although when you turn it up all the way it almost looks fake..

[mercanaries3]

@catmaster141

you you.. are an idiot you do understand that when you add more power to lasers they look brighter right.

[catmaster141]

@mercanaries3 huh? i posted that like 6 months ago, didnt know what you were talking about at first..

[catmaster141]

@mercanaries3 Also i wasn't saying it was fake, i was saying it looked cool and almost looked fake. there's a difference between almost and is, dumbass.

[andretodopoderoso7]

How can I know what resistor and capacitor to use to use? i got a 250mw red laser

[redking15ca]

LIGHHTSAPER D: :D D: :D

[machr62]

wooow

[studistudi]

variable resistance

[WB1A2]

Very cool. Could you possibly link a schematic or point in the right direction as to how this was done? Cheers.

[jayls5]

If i remember correctly, this one used a simple regulator, a silicon diode, a >10v capacitor, a resistor, switch, and a rheostat/potentiometer.

Basically, the resistor sets the absolute max current you want going to the diode (wired between specific prongs of the regulator, every regulator should have instructions). The rheostat is then put in series with the resistor. Thus, you have a range of almost no current to the limit set by your resistor.

[WB1A2]

Thanks lots!

[djtrixen]

May the force be with you. lol

[HiggsFenderU2]

Hi, how much di that cost?

[midgetking101]

u can get a blu ray laser online for like 45 $

[deadgod33]

luke i am ur father lol

[L3G3NDARYK1LL3R]

neither one of them had blue...

[uzbtrkusa]

ʎʎunɟ ןoן˙˙˙˙˙sɐuɐuɐq

[DylanAndersen]

how do u type upside down???

[Imageofgodsl]

he used a website... flipmytext or something like that...

[flash132222]

how did you do yhat

[Nat25251]

cool!!!

how much mw is that thing at full power???

[jayls5]

It was only like 10 or so mW maybe. This was back in the day when hardly anyone had them, and only the weaker diodes were available cheaply.

[CxC2007]

did you used heatsink?

[jayls5]

The case itself was a heat sink, powder coated aluminum.

[40ozbros]

relax controlp41 "mr professor" this is youtube not one of your lectures. its supposed to be a fun video

[WillCBACK]

lol exactly, lots of ppl on yotube do that to sound smart hah, totaly agree wit u 40ozbros

[linkfan69]

use the force!!!

[Motresku]

so it is possible...

they showed some bullshit video on tv that its imposible to make a a beam of light stop in thin air especially portable, they said it takes half a citys electricity or something

[jayls5]

It appeared to stop at a certain point because of the little spray of fog we used. The light appears to stop because at low powers it's not strong enough to penetrate through it. This was one of the first blu-ray pointers out, and the diode sucked. Now there are 100+ mW ones instead of 10mW.

[controlp41]

you sir are an idiot, the closest thing to stoping light in mid air other then shining it into something (matter) so it disapates as thermal energy, is to shine it into a b-e condensate which will slow the light while it is within the b-e condensate. Google search b-e condensation, it is a state of gas/matter (such as h and he) that occurs when they are super cooled to just above absolute zero (which takes alot of energy), while in b-e condensate form the gas exists as a composite wave function.

[eyetheskies]

build me one, k?

[swordomar]

AWESOME

schematics plz =0

[hrocky101]

Epic fail

[bmxryder4209]

lmao. agreed.

[haulikkomies2]

it looks like a lightsaber

[pelukenx]

LO VENDE XD

[Tboy91]

How did you do that just make it so you can switch the voltage.

[jayls5]

Potentiometer/Rheostat in conjunction with a current limiting circuit. The circuit had a resistor set on it so the pot wouldn't destroy it when you turned down the resistance all of the way.

[chance1234asdf]

does it burn

[jayls5]

Nah, it was a relatively low powered one from back in the day when the burner ones were ridiculous in price.

[TiagoTiagoT]

just don't point towards anyone's eyes

[MrKerr3]

STAR WARS REAL LIFE! lol :)

[bumblebag96]

that cool will you please post a vid on how to make it...

[antimoron08]

can it burn stuff?

[HermesTheMessanger]

it should be able to burn

[mnky626]

So you can see the full beam on blue-ray lasers?

[cbrian4]

Trust me, it will not look like that. They're using a ps3 diode, which at most will produce 15mW. I made one using a much more powerful diode from a phr-803t sled. Mine is more than 60mW and still does not look a like this. However if you light say ten matches and wait a bit, the beam visibility increases 20 fold. You can't even see the smoke but its there.

[jayls5]

At around 130 mW at this wavelength, you can see it from any angle in relatively low light conditions - no smoke needed. The violet beam can point out stars easily, which is pretty neat. I put up another video of one with this power.

[mercanaries3]

doesnt that have alot of uv light in it..

or is that violet laser pointers

[jayls5]

Blu-ray is violet. It's really close to the UVA spectrum.

[mercanaries3]

can UV light from a laser cause skin cancer..or is it just uv light from the suns harmeful rays

[machielste]

no you gat cancer from bananas!

[mercanaries3]

you are an idiot. haha

[machielste]

just a joke go eat bananas hahaha

[jayls5]

You can read up on UVA and UVB radiation with a quick google search. It doesn't matter what the source is. At a certain point, the wavelength can cause damage.

[elgranto7]

The wavelength of light this laser produces will not harm you...

[mercanaries3]

ok? but wat if it was UVA light >_>

[temple696]

actually all the people making these are using burning capable laser diodes such as myself. They can pop a balloon at 4 feet and melt garbage bags. put that in somebodies eye for even a second and itll be deep tissue damage

[hellsmaw84]

that is true, even on skin. all lasers generate some heat. even the red ones which are the weakest in most cases. something like that could possibly even do some skin damage if concentrated long enough in one spot.

[jayls5]

A rather drunken individual I know can no longer grow hair on a spot of his arm because of a 300mW red laser my friend built. He was drunk and insisted that we do it, so we obliged.

[RisumTube]

Feel the power of.. Science!

Really cool, reminded me of a Jedi Sword. Maybe show us how it's done? :D

[GokarX]

make it burn through stuff then we destroy the world with death

[ampy999]

A JEDI HAS BEEN FOUND

[struckmand]

hey its the future. the LightSaber

[armenianUFOvartarn]

so how much money did you make total selling these things on the net? I bet you made some good money. very cool

[jayls5]

Not enough to keep doing it, that's for sure :). People sell them even cheaper now I imagine.

[Dragon2012]

where can i get one ?

[jayls5]

We stopped making them to sell because they were annoying to build. Making microcircuits is time consuming and frustrating.

[mercanaries3]

no way

[mercanaries3]

hey wat happens if u point it on ur eye

[jayls5]

It was about 12 mW, which is over double the max value for your average pointer. It would cause minor eye damage if you got hit directly with it for more than a split second. Just my guess.

[busybjorn]

12mW is class III b.

It can cause permanent eye damage if hit directly and can cause slight burns.

[jayls5]

Oh these definitely can't burn anything. Even at this wavelength, it takes a lot more power. Permanent eye damage is pretty easy to accomplish though :).

[DDeafth]

not even light a match? or pop a ballon?

[jayls5]

No.... it's only 12 mW. Lots of regular pointers are 5, so it's really not that much more in the scheme of things.

For the red ones, it's usually at least 90mW before it does any significant burning.

[Xxneenja69]

plz u will look like a loser with one of those on a ar put the buring red one on that kip shows and put it on a beretta or a other gun if u using that ar for combator hunting

[uzda4ce]

Cool. Im gonna make one of these and mount it and sight it on my AR-15.

[jayls5]

It's a terrible color for a gun sight.  If you're going for "cool factor" it would be neat, but it's not practical for that application. It's hard to focus on the color at close range, and it appears fuzzy at distance even when it's not.

[projectverification]

Are all blu ray lasers like that? I was look ing at a blu ray laser diode module that has an adjustable lens and adjustable current ( between 30 mW and 167mW). Would that still appear fuzzy far away. Also can you see the beam in daylight and what type of batery did you use with this?

[jayls5]

This was one of the first variable ones I had seen at the time. It was back when they were low quality diodes that barely did 15mW without blowing. With my newer ~130mW one, the beam can begin to be seen in low light (near sunset). The fuzziness you experience is probably a product of the color itself and the difficulty of your eye to focus on it. I've noticed that perceived fuzziness goes away when you wear sun-glasses, and you can then distinguish the fine point.

[mercanaries3]

what color would 555nm be

[jayls5]

It would be mostly yellow, with a hint of green. You can google the chart showing the electromagnetic spectrum and what range our eyes are sensitive to. 405 nm is on the threshold of human sight, with its shorter wavelength. The shorter the wavelength, the more data can be compressed on a disk, which is what makes "blu-ray" more detailed than DVD's (red) and CD's (infrared). Blu-ray is pretty much the end of the "fun" color lasers, any future data storing breakthroughs will be beyond our sight.

[videoclip425]

NOT EVEN i have a 135mW blu ray and it can bareley be seen in the dark

[jayls5]

My comment appeared to not go through. Basically, I have two of similar power that I have personally confirmed on a legitimate meter. The beams are easily visible in low light conditions, they can pop balloons, light matches, etc. It burns people's clothes as well. I don't know what to tell you about yours.

[Gmc42082]

most likely b/c it is fried.

[videoclip425]

nope... it burns like shit and is often metered with a kenometer! lol

[TheProffesionalIdiot]

XD !!!!!!!!!!!

[snuckles108]

You can make one with a blue-ray that kip kay showed us how to do.

45$ for a blue-ray?

[BadKidV]

u cant see the control light but with a camra u can try it i can see mines in a camra

[freztino]

omg i didnt knew that its cool

[yourmamaluigi]

i hear they now have ultra violet ones. fear me with my super saber. mwahahahaha!

[Kaynex]

That's likely dangerous.

[xenepp]

Have you got a website or some weblinks? Also, I have a 360 HD-DVD drive spare, they have blue lasers too, right? Could I do this with one of those? Kick ass btw!

[jayls5]

I don't have a website. My friend and I get bored fairly quickly with things anyway and we've moved on to other toys to make. To answer your question, the little spare HD-DVD drive should have a ~405nm diode in it. Give it a good circuit and it should work great... but be careful not to overpower it! The color plays tricks on your perception, so if you have a meter that would be best to ensure it stays alive for a long time.

[si12j12]

actually the diode in the xbox360 hd-dvd add on is much more powerfull diode capable of up to 180mw!

[Johnnyeggz]

FINNALY LIGHTSABERS!!! lol

[stinkoman622]

yeah...too bad it would only blind you lol

[edulas2006]

star wars!

[SeanTuckerBrett]

Ok. Thanks but i have already build one

[SeanTuckerBrett]

will nine volts work with it or is that to much power?

[jayls5]

Current matters more than voltage. Read more before you try to build one...

[SeanTuckerBrett]

I just built one out of a ps3 sled and all I use is a 47 uf capacitor and a 33 ohm resistor and 6 volts. It has been working greatfor a week now. Should it be dead? Or is the diode safe. And no it is not a zomibe diode!

[jayls5]

It will work, but the current can still fluctuate to the point where it can burn out. I just went an extra step to ensure it was safe.

[webo51]

photo-shop.... XD

[jayls5]

huh?

[clonemaker66]

now i want to make 1!

[DemonDash]

Why does the colour look closer to 473nm than 405nm?

[jayls5]

Certain cameras can't pick up the wavelength as well as others. The color interpreter thinks it's more blue than it really is, but it is definitely violet in person.

[DjRaider404]

that's tight, it can do all that. We're having a rave, you think it'd be safe to use those if we make them?

[jayls5]

Yep. You want to avoid direct eye exposure like every other laser pointer though.

[bhig3]

it looks a little thick... but that might just be the camera

[jayls5]

Yeah, they always appear to have bad divergence from the camera view but not in person. Don't know if the wavelength has something to do with it or what...

[qrst1011]

or tell me how to make it

[qrst1011]

i want one plz sell

[jayls5]

Depends on a lot of factors, and there are a lot of implicit costs for materials.

[chr1s510]

how much was it to make that 1?

[jayls5]

I don't remember. I forgot what parts we used for that one. Some of our cases were custom powder coated aluminum. Some used more expensive lenses and essential parts. I'd say a realistic minimum to produce one of them with a potentiometer would be $50 if you had all of the other basic materials to build it already... such as flux, solder, soldering iron, press, drill, epoxy, flexible wire, common tools, etc.

[djlfg4life]

shit hot man thats cool

[elgranto7]

wow you invented a variable resistor

[jayls5]

Yes.

[leukotic]

Thanks Jay, appreciate the help. 5mW of red is just fine with me :) At least I know when I fluoresce something, it could end up being brighter looking. I even picked up some Phosphorescent powder at United Nuclear today in anticipation for my laser. I got the green, blue and aqua glowing ones. Can't wait!

[jayls5]

It will leave trails on glow-in-the-dark objects. It also will leave trails on a standard electron tube TV in pitch darkness (non LCD/plasma). Highlighter left in a bottle filled with water will fluoresce as well. Have fun :)

[Tigsship]

Did you costom make the blu-ray laser?

[jayls5]

Yes.

[thebucketmouse]

this looks a lot more powerful than your other bluray videos, is this just from a regular bluray player also?

[jayls5]

They always look brighter when facing the camera. If the beam were pointed in the other direction, it would look more normal.