Old 03-08-2014, 01:37 PM #1
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Default need advice for a loose laser diode

I have a dragonlasers spartan series green laser, the diode inside of it has been loose lately. If I shake the laser even slightly, I can hear the wobble of the diode.

Any hits, advice or tips that I can do to tighten the lase diode inside without damaging anything?

Would superglue work without being melted on the heatsink?

I am trying to avoid shipping it back to dragonlasers and waiting for a replacement, as that takes about 2 months.

ty



Last edited by laserza; 03-08-2014 at 01:44 PM.
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Old 03-08-2014, 06:24 PM #2
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Default Re: need advice for a loose laser diode

Some pictures would be good.
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Old 03-09-2014, 12:20 AM #3
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Default Re: need advice for a loose laser diode

hmm.. really hard to get a good, clear picture of the diode, its really down inside laser body..

also the diode being loose is not creating a huge gap, big enough to see anyways.. ill try
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Old 03-09-2014, 12:35 AM #4
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Default Re: need advice for a loose laser diode

also, im able to somehow twist the diode in either direction, it does not become any looser or tighter, im just able to move it..
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Old 03-09-2014, 12:37 AM #5
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Default Re: need advice for a loose laser diode

Maybe two part epoxy will work. Heat transfer will be small problem,that depends on the temperature of the diode.
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Old 03-09-2014, 12:54 AM #6
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Default Re: need advice for a loose laser diode

hmm ok.. the temp of the diode does not get too hot unless i leave the laser on for more than a few minutes, which i hardly ever do anyways..

also, how would i use this adhesive? apply the first and second part separately, or mix them and apply them at once?

Thanks!!
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Old 03-09-2014, 12:56 AM #7
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Default Re: need advice for a loose laser diode

Mix and then apply. That is how i would do it. Not much science going on there
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Old 03-09-2014, 12:59 AM #8
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Default Re: need advice for a loose laser diode

ok, ill pick some up form a department store and give it a shot! thank you for the help.. would have been a big hassle to ship it back and have a replacement.. dragonlasers has awsome customer service, but shipping back and fourth from china to canada(my location) takes forever!
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Old 03-09-2014, 01:23 AM #9
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Default Re: need advice for a loose laser diode

Hope you fix it good! Have fun
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Old 03-10-2014, 01:13 PM #10
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Default Re: need advice for a loose laser diode

Umm don't twist the diode, you might damage the leads and that wouldn't be good.
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