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Old 10-20-2009, 05:25 PM #1
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Default wanted: tiny TEC

yesterday i read some post about 635nm diodes and cooling them.. i have those 7mw rated diodes, they go up to 20mW. they will lase at a higher wavelength by then, which kinda makes the whole idea useless.. how about cooling the diode with a TEC? with 2.5V and 80mA the diode generates less than 200mW heat. even the tiniest TEC is up to that! a tiny 10x10mm TEC could fit into the head too. with the advantage to be able to electrically insulate the diode from the host too.
will measure what size it has to be at a max later.

does anyone have such tiny TECs? or a source for them? germany here, though!

prefer to trade some of my "old" laser stuff, but paypal is ready too.

manuel


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Old 10-20-2009, 05:30 PM #2
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Default Re: wanted: tiny TEC

Hey Manuel, the 1st time the "BOX" came by me, there was a whole bag of them. I didn't take any though, & I don't know who did, sorry...........rob
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Old 10-20-2009, 05:36 PM #3
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Default Re: wanted: tiny TEC

i think laserbee had some tiny ones at one point.. he was using them to test out for a new LPM but they didnt work the way he expected. pm him and see if he has any more.
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Old 10-20-2009, 05:38 PM #4
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Default Re: wanted: tiny TEC

"box"? sounds interesting, didnt hear anything about that? have a link to the thread? prolly for US, i guess..

thanks for the hint, i'll PM him!

manuel
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Old 10-20-2009, 05:40 PM #5
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Default Re: wanted: tiny TEC

Just U.S.A. for now, but there IS some talk about other countries !!!!!!!!
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Old 10-20-2009, 08:32 PM #6
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Default Re: wanted: tiny TEC

HIGH POWER LASER DIODE TEC COOLER HEATER UNIT 15mm SQ - eBay (item 330369678935 end time Oct-25-09 21:38:04 PDT)

this is Herruursciences i believe
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Old 10-20-2009, 09:19 PM #7
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Default Re: wanted: tiny TEC

oh, yes indeed, thank you! :-)

i just had a look at my host, 15mm is definitely too big.. i guess it'll have to be less than 10mm, will measure tomorrow. depends on the TECs thickness too.. but then i'm not sure how i will mount it, will see..

manuel
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"Some say he eats Gallium Nitride for breakfast, others say that he can moonwalk and still defeat a Ferrari on the quarter mile......all we know is, he's called IgorT."
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Old 10-20-2009, 11:09 PM #8
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Default Re: wanted: tiny TEC

I just replied to your PM Krutz...

Jerry
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Old 10-21-2009, 12:43 AM #9
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Default Re: wanted: tiny TEC

VERY SMALL HIGH POWER LASER DIODE TEC COOLER HEATER - eBay (item 290361330865 end time Oct-25-09 21:25:14 PDT)

This one is 6mm by 6mm... Small enough?

-Jakob
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Old 10-21-2009, 04:22 PM #10
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Default Re: wanted: tiny TEC

wow, now thats what i call tiny! :-)
thank you for linking, i found them too by browsing chris' auctions. will see what he replies!

thank you all, will surely post how it turned out, once some overkill-cooled pointer is done :-)

manuel
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"Some say he eats Gallium Nitride for breakfast, others say that he can moonwalk and still defeat a Ferrari on the quarter mile......all we know is, he's called IgorT."
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Old 10-21-2009, 07:24 PM #11
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Default Re: wanted: tiny TEC

Quote:
wow, now thats what i call tiny! :-)
thank you for linking, i found them too by browsing chris' auctions. will see what he replies!
No problem Hope you get a good price on it!
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Functional Lasers

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• 445nm XJ-A140 Diode: 1500mA: Hotlights 18650 Host: 1600mW
• 473nm Oceanus 5mW RPL Style: <5mW
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