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Old 02-18-2013, 08:50 AM #1
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Default M-140 tem01

i have a M-140 diode, and when i tried to use it my driver blew and my diode went TEM01
it could also have been a heating problem

apparently the back (where the leads are) gets hottest, and so its best to try and cool that part


i thought i had LED the diode, but it still lases

i sadly dont have a bench power supply and didnt take a pic
does anyone here have a solution for the heat problem?


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Old 02-18-2013, 09:23 AM #2
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Default Re: M-140 tem01

Quote:
Originally Posted by mrfloppy88 View Post
does anyone here have a solution for the heat problem?
You mean like improving the heat sinking? It would help to know what heat sinking you're using now. Pics would show us a lot.
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Old 02-18-2013, 09:32 AM #3
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Default Re: M-140 tem01

i dont have it here with me, or i would snap a pic right now

i did find some that looks the same on ebay

45mm Industrial Laser Diode House Housing Case W. Lens | eBay


Edit: i am willing to buy a new house for the diode if this one is crap

also, it will be seated in a projector, so size doesnt matter all that much...

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Old 02-18-2013, 11:00 AM #4
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Default Re: M-140 tem01

Never run a diode stand alone , they can take a lot but not uncooled , check this link
https://sites.google.com/site/dtrlpf/home/diode-modules
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MELLES GRIOT HeNe 75 mW max , 632.8 nm ( 38 mW )
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Old 02-18-2013, 11:11 AM #5
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Default Re: M-140 tem01

it looks a lot smaller than what i use
mine is not copper at all though

these Aixiz module are all pressed in
and the back is free with only the leads there

i need to run this diode for hours on end
so better cooling is required

i pointed a 12cm fan at it directly but it still mode hopped to TEM01 :S

those DTR modules are supposed to be fitted into a bigger heatsink?
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Old 02-18-2013, 02:11 PM #6
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Default Re: M-140 tem01

yes you need 1 of those from that site , and then fit that module in a bigger ( big ) heatsink cpu heatsink or something else
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MELLES GRIOT HeNe 75 mW max , 632.8 nm ( 38 mW )
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Old 02-18-2013, 02:59 PM #7
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Default Re: M-140 tem01

I started this thread about bench-top heat sinks. there are some good ideals and links in it.

what bench heat sinks do you use?

The search function is your friend.
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