Old 05-20-2016, 12:15 AM #1
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Default Searching matching red, green and blue diode.

Hello, I want to build a RGB laser somday. At the moment I am still planning and dreaming. A while ago I was doing some tests with multi mode red, multi mode blue and DPSS green lasers. This dit not work out at all because the beam of the DPSS was way thinner than the beam of the another two diodes.
I don't want to do a lot of beam correction.
Now there are 520nm diodes aviable for quite a good price so I thought I'll try it again with three diodes. The problem is that I don't know a lot about the dot size of most diodes. There is some information but not a lot.
I found some which could work but I am not sure.

My suggestion would be:
Blue: Osram PLTB450B(multimode?) or PLT5 450B/PLP450(singlemode)
Red: ML501P73-02(multimode) or ML520G55(singlemode?). Are ther any 500mW singlemode diodes?
Green: PLP520-B1(multimode)

I am not sure if I should get a singlemode red and blue and a multi mode green or all multimode diodes. I guess the multimode blue and red diodes have a way wider beam than the green. So singlemode red and blue should be the choice, but how are their beam characteristics?

Another problem is that I don't know if the ML520G55 is a singlemode diode and if the PLTB450B is a multimode diode.

Hopefully somebody an help out . Greetings.


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Old 05-20-2016, 08:09 AM #2
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Default Re: Searching matching red, green and blue diode.

PM coming
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Old 05-20-2016, 01:32 PM #3
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Default Re: Searching matching red, green and blue diode.

Thanks for the Info but I am looking for three diodes.
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What I have to say first: Sorry for all mistakes I make. But I hope everyone understands my english, thank's
Lasers:
RGB Laser *click me HARD*
<1mW 337,1nm TEA-laser HOMEMADE!*click me HARD*
150mW 405nm RIP HOMEMADE!
500mW 405nm pen HOMEMADE!*click me HARD*
1000mW 445nm 3D Printed Host Build HOMEMADE! *click me HARD*
1000mW 447nm Dragonlasers Spartan
300mW 532nm Skylaser 517mW peak H532L-S300B skylaser
50mW 589nm Dragonlasers Spartan Variable Power Mod *click me HARD*

500mW 635nm HOMEMADE!*click me HARD*

My first tesla coil! : *click me HARD*
My first BIG one! : *click me HARDER*


Want to make a simple diffraction grating?
http://laserpointerforums.com/f49/di...tml#post952546
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