Old 03-09-2017, 08:33 PM #33
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Default Re: Hello!

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Originally Posted by paul1598419 View Post
This is the setup for a lab laser. It is better than what you showed before, but the NUBM44 driven to output close to 7 watts puts out a lot of heat. If I were going to use this for that diode, I'd add a TEC to keep the temperature down. You might get by without it, but it is what I would do.
fans over the heat sink for peltier, peltier over the laser's heatsink?
nice idea, but the tec absorb to much A for a portable laser


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Old 03-09-2017, 09:29 PM #34
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Default Re: Hello!

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Originally Posted by Hurry View Post
fans over the heat sink for peltier, peltier over the laser's heatsink?
nice idea, but the tec absorb to much A for a portable laser
A good start would be a much larger/heavier all copper diode module--20mm, 25mm, and 35mm are available , see: https://sites.google.com/site/dtrlpf/home/diode-modules, then mount that in a finned heatsink with enough surface area to dissipate the heat from the diode/copper module/driver by convection. or a host wth enough mass to transfer the heat from the module.
You can probably get 30 minuters of run time with one of DTR's XYZ mounts --see: https://sites.google.com/site/dtrlpf...-mount-modules Ask DTR.

Use the LPF search function and research other people's solutions for NUBM44 diodes.

Last edited by Encap; 03-10-2017 at 02:36 AM.
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Old 03-10-2017, 12:10 AM #35
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Default Re: Hello!

^ This. That lab laser unit wouldn't make a good portable laser anyway. Those are not intended for use in the field.
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Old 03-10-2017, 06:26 AM #36
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Default Re: Hello!

@Encap @paul1598419 thank you
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