Just starting. Is everything working correctly? Laserworld DS-900 RGB

[catalanjo]

Electrical part is not the problem ...it's the mechanical bit (no space available) that's tricky!
Second problem is U need more than one diode to get the power you need and LW are over-driving the original!

I will be doing it for sure sometime ..... but not soon!

Cheers

[kipperavl]

Electrical part is not the problem ...it's the mechanical bit (no space available) that's tricky!
Second problem is U need more than one diode to get the power you need and LW are over-driving the original!

Can you tell me more about this?

I was assuming that if I ordered a higher power 520nm diode I would be able to do a swap out. Is this not correct?

Is there not a standardized diode? Or is it simply not receiving enough power that swapping it out for a higher mW diode would generate no change?

[catalanjo]

Jeez man .... Ur trying to squeeze blood out of a stone !
Have to talk off the top of my head here, since I haven't yet stripped one down to take a butcher's at the internal setup!

In a nutshell ....problem is going to be diode size = probably 3.8mm .
....... although in your case (DS900) you may have a 50mw ( PL520) so you MIGHT be in luck ..... in which case you could probably upgrade to the NDG4216 515nm 100mw and get some joy!

IMHO however even 100mw will still leave U short on green

Next up would be an over-driven PLP520-B1 120mW 520nm (which I suspect is what I already have in the DS1800s) but this is a 5.6mm diode...so you would be faced with re-drilling the diode hole (precision hole needed for press fit = cooling) in what appears initially, to be an integrated diode block (= other colour diodes in same block).... tricky

After that only apparent options are multi-mode diodes in 9mm cans (although I haven't as yet confirmed the can size of the NUGM01T )
These 9mm diodes require cylindrical correction optics in a position (inside the block) where there is no space available!

I was hoping to find a method of injecting an external green into the beam path after the diode block, and just ignore the existing green but as I have already tried to explain I haven't yet fully explored this option !

Pls bare in mind that this is all conjecture on my part..I may well be WRONG !

Your first job would be to carefully strip the diode block out and check the green diode size...so please post pics when U do it............. On this occasion I would be delighted to have been totally mistaken, in everything I have just said (except for this last statement!)

Cheers

[WookieBoy]

Just to add another little kink in your road, if you do manage to get a diode that fits, you'll probably have to change the driver as well as I doubt the LW driver will cope with a bigger diode. Frankly, this is probably the way to go with all three colours as whatever you replace the current drivers with will most probably be much better quality and give you more control over the existing diodes as well...

[White-Light]

Where abouts are you located and did you buy new?

Legal rights in the EU are much stronger than in the US.

You contract is with the seller not Laserworld. Your warranty is with Laserworld. They're too separate things and which one you resort to will depend on how long it is since you bought the laser and who from.

[catalanjo]

Regarding upgrade (I suggested in an earlier post) to an NDG4261 see DTR's latest post in his thread: http://www.photonlexicon.com/forums/...-LEDs-amp-More
"Yea if you try to push 2x the recommended current into one of the Osram green diodes get damaged either open circuit, LED or zombie. These I put over 750mA and in so far without any damage to the diode after that they dim like the other new Nichia diodes do and then come back to life as you turn the current back down. "

Sounds like by far your best bet ... that way work IS down mainly to electronics (bigger driver or maybe new one in parallel) and then just refitting new diode !
Cheers
PS. This one IS a 3.8mm diode (probably same size as your original diode) and 180mw (safe) instead of 50mw IS noticeable)