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Old 06-14-2009, 11:18 PM #1
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Default FS: Coherent 40W 808nm diode (price drop! $100!!!)

I'm selling my 40W pump diode. This is the standard "CCP" package from coherent.

Its been tested to put out over 40W @ 48A.

Still in the original packaging from coherent, this was sold to me as being brand new, and it definitely looks the part.

This diode is PERFECT for side pumping an ND:YAG rod with absolutely no additional optics needed for focusing into the rod. Just place the diode along the rod, about a half a millimeter away.

This diode will also need to be cooled. A large aluminum heatsink with TEC would be perfect.

This will cut glass, light things on fire, and be a GREAT DPSS pump.

The price is $150 + shipping. EDIT: Price dropped to $100 + shipping! They go for about double that amount on ebay.

First person to PM me gets it!!



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Old 06-15-2009, 01:17 AM #2
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Hey GG... how about a pic...

Jerry
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Old 06-15-2009, 01:37 AM #3
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Sure

One sec...
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Old 06-15-2009, 01:43 AM #4
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Old 06-15-2009, 06:13 AM #5
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just for some personal info, these diodes need to be attached to further equipment in order to properly work? they do not work like normal Lds that just need power and lenses?
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Old 06-15-2009, 01:54 PM #6
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This diode is like any other diode, all it needs is power. About 2v at 48A to get full power.

Other than that it just needs cooling, just like any other diode.
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Old 06-15-2009, 03:20 PM #7
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so it also needs some form of driver circuit? or can it use any amount of current that is near 2v and 48Amps
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Old 06-15-2009, 05:06 PM #8
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I'm still learning about amps and stuff. What kind of power source will i need to get 2v and 48 amps ?
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Old 06-15-2009, 05:08 PM #9
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can this be made into a handheld ?
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Old 06-15-2009, 05:28 PM #10
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You will need one helluva PSU to get 2V@48A. A large step-down transformer coupled with a rectifier, filter caps might work but you still gotta somehow regulate the current...
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Old 06-15-2009, 05:49 PM #11
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Hey GooeyGus...
what is the threshold current...
BTW... for the pics...

Jerry
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Old 06-15-2009, 06:38 PM #12
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The easiest way to power this would be to use a rewound microwave oven transformer, along with a variac to adjust power.

Add in a rectifier and a few filter caps and you're set!! For more info on this, check out mariomaster's thread on this very subject. This is how he powers his diode and it works great.

Or, buy a low voltage high amperage power supply

as far as the threshold... I'm not really sure. I'd guess around 10 or 15A

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Old 06-16-2009, 09:53 PM #13
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Bump!

Price drop to $100 + shipping... I gotta pay some bills

Dont miss out on your chance to have 40W (40,000mW) of power in a tiny little package!!
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Old 06-18-2009, 10:14 AM #14
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I've got an old-type, flash-based ND:YAG rod; does it work with that?
Also, how does one get the beam to colimate?

any link to mariomaster's thread?

Thanks!
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Old 06-18-2009, 05:00 PM #15
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How does it hook up ? or where does the light come out ? and optics are needed to culminate the beam ?
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Old 06-18-2009, 05:13 PM #16
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Quote:
Originally Posted by wesdaman14 View Post
How does it hook up ? or where does the light come out ? and optics are needed to culminate the beam ?
Positive to the copper die, negative to the gold middle section... The light is emitted from the ends of the gold section...
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