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Old 01-14-2016, 02:57 AM #1
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Wink 3W Laser 66 Build Amazing !

So i build another cool laser 66 today aww its nice
this time am using green led

So i got a driver and the diode and i was playing around with the potentiometer and i adjusted it to 3.5W
i saw it was doping so i adjusted the potentiometer back to 2.4A / 3.1W
its not getting hot at all amazing !

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3W Laser 66 Build Amazing !-img_6861.jpg   3W Laser 66 Build Amazing !-3.jpg   3W Laser 66 Build Amazing !-4.jpg   3W Laser 66 Build Amazing !-5.jpg  


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Last edited by Alien Laser; 04-24-2016 at 07:17 PM.
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Old 01-14-2016, 03:01 AM #2
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Default Re: 3W Laser 66 Build Amazing !

i'm speechless....... 3 watt of 450nm.....in a pen....
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Old 01-14-2016, 04:58 AM #3
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Default Re: 3W Laser 66 Build Amazing !

Its amazing
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Old 01-14-2016, 05:46 AM #4
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Default Re: 3W Laser 66 Build Amazing !

Wow what diode is that? That's definately nice, I bet you used a lot of thermal compound heatsinking. 3W damn!!! I feel mine is hot like in 10 seconds (my first fail build), did you feel the same thing when building mine? (Bet you built it also with thermal compound if I'm rite

Thanks,

Edit: ohhhhh it's a NDB7879 got it.

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Old 01-14-2016, 03:03 PM #5
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Default Re: 3W Laser 66 Build Amazing !

It gets warm after like 45 seconds i did use a lot of thermal hahha
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Old 01-14-2016, 10:57 PM #6
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Default Re: 3W Laser 66 Build Amazing !

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It gets warm after like 45 seconds i did use a lot of thermal hahha
Which one? I wish mine was like that, in my first build it's untouchably hot after 7-8 seconds. If yours were 45 sec with 3W, bet mine might be over a min .

I used a 1.5A x-drive with M140, power should be about 1.8-1.9W but it shouldn't be that hot, any tricks you use to fix that?

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Old 01-15-2016, 01:38 AM #7
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Default Re: 3W Laser 66 Build Amazing !

Quote:
Originally Posted by Alien Laser View Post
So i build another cool laser 66 today aww its nice
this time am using green led

So i got a driver and the diode and i was playing around with the potentiometer and i adjusted it to 3.5W
i saw it was doping so i adjusted the potentiometer back to 2.4A / 3.1W
its not getting hot at all amazing !

What diode and what host are you using?

Looks like a pen...what driver fits in there :-)
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Old 01-15-2016, 01:38 AM #8
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Default Re: 3W Laser 66 Build Amazing !

What diode and what host are you using?

Looks like a pen...what driver fits in there :-)
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Old 01-15-2016, 01:59 AM #9
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Default Re: 3W Laser 66 Build Amazing !

All drivers fit what i do i use a blade to minimize the driver to fit perfect any diode will fit see images what diode i used
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Old 01-15-2016, 03:21 AM #10
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Default Re: 3W Laser 66 Build Amazing !

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Originally Posted by Andrew124C41 View Post
What diode and what host are you using?

Looks like a pen...what driver fits in there :-)
Host from laser66.com

Laser66.com/html/pointerhost.html

Get it with the switch PCB option.

It fits ALL 12mm modules, any diode, any driver.

2x 10440 3.7V batteries (8-10v Total)

Thanks,

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Old 01-15-2016, 05:27 PM #11
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Default Re: 3W Laser 66 Build Amazing !

Thanks. The only problem of course is run time. Stick a high powered diode in and you will eventually burn your hand!

I wonder if these are popular. What I would like to find are some wicked or jetlaser like hosts.
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Old 01-15-2016, 05:44 PM #12
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Default Re: 3W Laser 66 Build Amazing !

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Originally Posted by Jersagfast View Post
Host from laser66.com

Creative Technology Lasers - Pointer Host Component Page

Get it with the switch PCB option.

It fits ALL 12mm modules, any diode, any driver.

2x 10440 3.7V batteries (8-10v Total)

Thanks,
Do you buy much from them. I see they have sorts of thing...APC modules, etc.
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Old 01-15-2016, 06:30 PM #13
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Default Re: 3W Laser 66 Build Amazing !

To be honest Id be a little cautious with the run times if its not getting hot quickly. You dont have much in terms of heat sinking, so it should get warm very quickly at those currents. Also remember that thermal paste still has a very low thermal conductivity somewhere around 7 Wm-1K-1 as opposed to Al and Cu at ~ 200 and 400 Wm-1K-1 respectively. If the module was loose when you put it together and you used thermal paste to fill the gap, this may be the reason. If that was the case, Id suggest some indium foil, or perhaps copper or aluminium foil instead. You can then apply a very very thin layer of the thermal compound between the foil and the case.

If not you may drastically reduce the life of your diode.
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Old 01-16-2016, 01:28 AM #14
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Default Re: 3W Laser 66 Build Amazing !

Quote:
Originally Posted by grainde View Post
To be honest Id be a little cautious with the run times if its not getting hot quickly. You dont have much in terms of heat sinking, so it should get warm very quickly at those currents. Also remember that thermal paste still has a very low thermal conductivity somewhere around 7 Wm-1K-1 as opposed to Al and Cu at ~ 200 and 400 Wm-1K-1 respectively. If the module was loose when you put it together and you used thermal paste to fill the gap, this may be the reason. If that was the case, Id suggest some indium foil, or perhaps copper or aluminium foil instead. You can then apply a very very thin layer of the thermal compound between the foil and the case.

If not you may drastically reduce the life of your diode.
What's the advantage of using indium foil rather than copper? Is its thermal conductivity even higher?
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Old 01-16-2016, 01:31 AM #15
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Default Re: 3W Laser 66 Build Amazing !

i forgot the batteries were not charged hahahaha the laser is getting hot after 40 seconds
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Old 01-16-2016, 06:51 AM #16
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Default Re: 3W Laser 66 Build Amazing !

i might have to buy myself one of those host for my 16x bdr builds...
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