Blue laser project.. Help??

sinisterchopper · Sep 12, 2010

Hello all,
I'm new to this forum, I am wondering if anybody can provide me with some information on an idea I have.
I have some electronic know how as far as fixing LCD screens, adding channels to CB radios and such, so I know the components and how to assemble and solder. But as far as the components needed for my project I am confused.
I am a part time DJ and I would like to add a blue laser to my lighting effects. A couple of ideas I have are as follows.

I have a Scorpion Storm FX red and green laser from Chauvet, and I was thinking about swaping either the green or red laser for a blue. Or adding a blue as well as red and green.
Laser here: Scorpion

I also have a Photon Generator also from Chauvet could I swap this green for a blue. This is the idea I like best.
Laser here: http://www.lighting-effect.com/ebaypics/chauvet/photongen.pdf

And lastly I bought a cheap Chinese laser on eBay to play around with, maybe just turn this into my blue laser.
Laser here: Amazon.com: Laser Effects Light Show Projector With Red And Green Lights: Everything Else

Any thoughts, ideas or help you can provide would be greatly appreciated!
Thanks,
Don

udanis · Sep 12, 2010

I will admit i don't know that much about these just but the first thing you are going to have to see is currents are going to the diodes. From there you can either adjust it to fit the new diodes or match diodes to the current. It will be easier to goto red to 445nm or 405nm than green. Green lasers are ir diodes with special crystals in front of them that convert the color to green. Green lasers modules are usually a good bit different in style and size than red/blue/purple. If you want to convert red to blue/purple that is probably going to be the easiest, all you will have to do is change the diodes and current. Hopefully this gives you some idea.

-Udanis
PS Don't forget to introduce yourself in the welcome section.

sinisterchopper · Sep 12, 2010

Thanks for the info udanis!
I also forgot to mention that the laser can't be anymore powerful than what is already in the factory lasers I have. I want to be safe so that I don't blind any party people

udanis · Sep 12, 2010

sinisterchopper said:
Thanks for the info udanis!
I also forgot to mention that the laser can't be anymore powerful than what is already in the factory lasers I have. I want to be safe so that I don't blind any party people

For that you'll need a laser power meter to get your initial power (unless the mfg states it) then determine what you need from.

sinisterchopper · Sep 12, 2010

Here are all the specs I could find on the Scorpion FX:

Coverage angle: 99°
Light source: 532nm/30mW green laser diode, 650nm/80mW red laser diode
Power and current: 120V, 60Hz: 14W, 0.1A operating, 0.4A inrush

This is info on the Photon Generator:
1 x 4.9mW Green Laser
Diode Part No. 4.9mW
CLASS 3R LASER PRODUCT
5.0 mW max CW Diode 532 nm
IEC/EN 60825-1, ed 1.2

Info on the Chinese junk

Class B
Power:AC power supply Input AC 110-240V,50-60HZ,output 5.0V,1.5A.
Laser generator:Green:wavelength 532nm,power 50mW,Red:wavelength 650nm,power 100mW.

Is any of this helpful?:thinking:

udanis · Sep 12, 2010

Yeah that has the laser power listed. The scorpion fx has a 30mw green laser and a 80mw red guy. You could swap red to blue/purple fairly easily, but like i said before there isn't much that you can do with the green.

The photon generator is green so I would try to covert it to red. It would probably be a good bit of work.

And the third guy has a 50mw green laser and a 100mw red lasers.

With the reds you might be able to convert them to a 405nm (blu-ray produces a purple color) or if your drivers can go that high you might be able to go to a 445nm (it is a lot closer to blue, the only thing that looks "bluer" is 473nm, but that is dpss so you can't use it)

Hope this helps a little.

sinisterchopper said:
Here are all the specs I could find on the Scorpion FX:

Coverage angle: 99°
Light source: 532nm/30mW green laser diode, 650nm/80mW red laser diode
Power and current: 120V, 60Hz: 14W, 0.1A operating, 0.4A inrush

This is info on the Photon Generator:
1 x 4.9mW Green Laser
Diode Part No. 4.9mW
CLASS 3R LASER PRODUCT
5.0 mW max CW Diode 532 nm
IEC/EN 60825-1, ed 1.2

Info on the Chinese junk

Class B
Power:AC power supply Input AC 110-240V,50-60HZ,output 5.0V,1.5A.
Laser generator:Green:wavelength 532nm,power 50mW,Red:wavelength 650nm,power 100mW.

Is any of this helpful?:thinking:

sinisterchopper · Sep 13, 2010

Thanks for the info Udanis, I'm learning something already

I wasn't aware that the green lasers are really UV lasers. I would really like to use either the Scorpion or the Photon because they are both DMX controlable and move very well to the music, the Chinese one is pretty corny. I would also be willing to add a complete blue laser if possible in addition to the red and or green rather than changing just the diode.
Like I said I don't know much about lasers so sorry if any of this is foolish, I'll provide as much info as I can see.

I opened up all three of the lasers and one by one here is what I can see:

The Scorpion FX appears as if it has a red laser that is self contained and only requires power (I lent out my multimeter so I cant check the voltage now, I'll get back to you on that) the sticker on that on only says 650nm Class IIIB. The green laser also appears self contained with a small fan attached to the back, this one says 532nm Class IIIB 12v however it has 3 positive and 3 negative wires going into the module, not sure why.

The Photon Generator also appears to have a self contained green laser though it is much smaller than the scorpion's and has no fan, this one has only a positive and negative wire and a sticker that says >10.00mW DC5V Class 3R.. seems simple enough.

And finally the cheapo has a very small Red module (about 1/2" x 3/4") with a positive and negative wire, and also a very small (about 1/2" x 1 1/2") green module that looks like it has the (driver?) sticking out of the back with only one positive and one negative wire, not sure on the voltage but it's worth it to mention that the entire unit is powered by only 5 volts DC via a wall transformer. No markings on anything other than what they claim on their packaging (which I have a hard time beliving) Green 532nm,50mW, Red 650nm, 100mW.

So is it possible to either,
(A) remove any these modules and drop in a blue one of the same voltage?
(B) add a blue module as well as the red and or green, by just jumping some wires of the appropriate voltage over?

And if so where could I find a reasonably priced module or kit that I could assembly and put in?

Sorry for all the questions! I REALLY want a blue laser in my light show but I can't afford to buy one ready to go and I also would hate to ruin the two nice ones I already have.

Thanks so much for any help!!:thanks:

udanis · Sep 13, 2010

Green lasers start from ir

Blu-Ray 405nm laser are close to UV

Learning more.

I have been happy with the products Ive received from hightechdealz.com modwerx is also highly recommend on this board. The biggest thing is the current that is going to the diodes. Generally the more current the more bight the laser is (the depends on the diode too) Lets say the circuit board is pumping 50mA into one of the red lasers. If you try and lets say attach one of the oh-so poplar blue 445nm diodes to it it wont light up because you need to go past the threshold current of the diode. Your going to have to measure the out put of the circuit board (look up dummy load) and attach that in place of the red diode and measure the current. I personally wouldn't mess with the green stuff, but a lot of red diodes and blue diodes are the same size.

sinisterchopper said:
Thanks for the info Udanis, I'm learning something already I wasn't aware that the green lasers are really UV lasers. I would really like to use either the Scorpion or the Photon because they are both DMX controlable and move very well to the music, the Chinese one is pretty corny. I would also be willing to add a complete blue laser if possible in addition to the red and or green rather than changing just the diode.
Like I said I don't know much about lasers so sorry if any of this is foolish, I'll provide as much info as I can see.

I opened up all three of the lasers and one by one here is what I can see:

The Scorpion FX appears as if it has a red laser that is self contained and only requires power (I lent out my multimeter so I cant check the voltage now, I'll get back to you on that) the sticker on that on only says 650nm Class IIIB. The green laser also appears self contained with a small fan attached to the back, this one says 532nm Class IIIB 12v however it has 3 positive and 3 negative wires going into the module, not sure why.

The Photon Generator also appears to have a self contained green laser though it is much smaller than the scorpion's and has no fan, this one has only a positive and negative wire and a sticker that says >10.00mW DC5V Class 3R.. seems simple enough.

And finally the cheapo has a very small Red module (about 1/2" x 3/4") with a positive and negative wire, and also a very small (about 1/2" x 1 1/2") green module that looks like it has the (driver?) sticking out of the back with only one positive and one negative wire, not sure on the voltage but it's worth it to mention that the entire unit is powered by only 5 volts DC via a wall transformer. No markings on anything other than what they claim on their packaging (which I have a hard time beliving) Green 532nm,50mW, Red 650nm, 100mW.

So is it possible to either,
(A) remove any these modules and drop in a blue one of the same voltage?
(B) add a blue module as well as the red and or green, by just jumping some wires of the appropriate voltage over?

And if so where could I find a reasonably priced module or kit that I could assembly and put in?

Sorry for all the questions! I REALLY want a blue laser in my light show but I can't afford to buy one ready to go and I also would hate to ruin the two nice ones I already have.

Thanks so much for any help!!:thanks:

sinisterchopper · Sep 13, 2010

Here are the pics

udanis · Sep 13, 2010

sinisterchopper said:
Here are the pics

I've never seen the insides of one of those before....cool stuff

Usually diodes are very small like around 1/4" and those are pressed into housing to displace heat, those are the black boxes in the first picture. Generally the diodes are hard to remove with out damaging them. I really think the next thing you should do is build/buy a dummy circuit and test the output of the circuit board. There are a bunch of posts and topics on the forum covering that. One you have that you can decide if it is possible and what diode to use.

sinisterchopper · Sep 13, 2010

Green lasers start from ir Blu-Ray 405nm laser are close to UV Learning more.

Oops..

Lol!! I meant "ir" been playing around with blacklights to much lately getting ready for halloween.. LOL!:crackup:

sinisterchopper · Sep 13, 2010

udanis said:
I've never seen the insides of one of those before....cool stuff

Usually diodes are very small like around 1/4" and those are pressed into housing to displace heat, those are the black boxes in the first picture. Generally the diodes are hard to remove with out damaging them. I really think the next thing you should do is build/buy a dummy circuit and test the output of the circuit board. There are a bunch of posts and topics on the forum covering that. One you have that you can decide if it is possible and what diode to use.

Awesome :thanks: I'll look into that and post back here.. You've been a ton of help, thanks a bunch!

udanis · Sep 13, 2010

sinisterchopper said:
Awesome :thanks: I'll look into that and post back here.. You've been a ton of help, thanks a bunch!

No problem.

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