Old 07-31-2010, 09:45 PM #1
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Default best 150-300 mw 650 nm diode

I am planning to build a multiple diode 650 nm (4 or 9) lab laser based on a single heat sink with multiple holes to support the can style diodes. I need a good source for the diodes and a glass focusing lens for each diode. I do not need drivers or lens mounts. To make this work the lasers need an output that has a consistent angle relative to the heat sink flange. Any idea on the magnitude of this potential variability.


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Old 07-31-2010, 09:56 PM #2
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Default Re: best 150-300 mw 650 nm diode

Search for the LPC-815. For lense, the aixiz glass or acrylic for red should both do fine.
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Old 08-02-2010, 02:58 AM #3
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Default Re: best 150-300 mw 650 nm diode

I agree with grix on this one you're best bet is an LPC-815 sled for the diode.
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Old 08-02-2010, 03:47 AM #4
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Default Re: best 150-300 mw 650 nm diode

i myself would rather go for the LCC diode, its much less susceptible to dying from touching the die (common for newbies) as there is a can around it...

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Also, would a crap-load of evenly-wound aluminum duct tape work for heatsinking around the Aixiz module?
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Old 08-02-2010, 06:28 PM #5
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Default Re: best 150-300 mw 650 nm diode

Thanks for the recommendations. I plan to use 9 of these diodes and the LCC would be best if safer to handle, but 9 sleds are kind of a drag. Any ideas on a source of new or extracted diodes? Also will a can have any effect on the pointing consistency of the individual diodes in that the resulting grid of 9 beams should be as co-linear as possible
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Old 08-03-2010, 06:24 PM #6
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Default Re: best 150-300 mw 650 nm diode

Harvested from sled:
HighTechDealZ - 650nm 20x DVD Burner LPC815 Harvested Laser Diode

Not harvested, with sled:
HighTechDealZ - 650nm 20x DVD Burner LPC815 Sled

I'd go for the second option.
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