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Old 12-31-2012, 03:09 AM #17
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Yeah man, I dont want to lose a 445nm laser diode over a hypothesis.. Just do some of your own tests and report the findings!!

Also there is a thread about pushing M140's

- Anyone pushed a M140 beyond 2.0A?
- Pushing the M140

I hope this helps!


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Old 12-31-2012, 03:51 AM #18
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Excellent Work, I am anxious waiting for my two MS V3 26650.
1+
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Magic Stick V3 2.9W 9mm 445nm @ 2.1A (9mm lens)
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WL Arctic G2 SS 2.0 Low:180mW/High:795mW



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Old 12-31-2012, 09:12 AM #19
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Thanks JLM..

Thats strange , I sent three parcels that day , The other two reached there destination before christmas..
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Old 12-31-2012, 02:17 PM #20
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Quote:
Originally Posted by awillis2589 View Post
^ maybe a 9mm definitely not a m140. If so I would love to see you do it with your m140
Quote:
Originally Posted by sinner View Post
Yeah man, I dont want to lose a 445nm laser diode over a hypothesis.. Just do some of your own tests and report the findings!!

Also there is a thread about pushing M140's

- Anyone pushed a M140 beyond 2.0A?
- Pushing the M140

I hope this helps!

I tested my m140@2A enough to say that !
In my build i drive the diode @1,9A but only because i wanted longer duty cycles and with my heatsink i have an continuously duty cycle @1,9A!!!

And I'm not alone with this !

Quote:
Originally Posted by Blord View Post
I push an efficient M140 beyond 2A to test my new LPM and it measures 2.8 Watt.
I believe the diode can handle the 2A current.
DTR also tested an M140 with 2,1A and no Problems

M140@2,1A


Like I said "If you keep your diode CHILLLED! 2A is definitely not a problem"

Last edited by Th3dArKn3o; 12-31-2012 at 02:18 PM.
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Old 12-31-2012, 02:29 PM #21
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Default Re: M140 445nm Build - 1.77A in a Custom Host

In case you noticed the obvious dimming after 1.85-1.95A and goes completely dim at 2.1A.. This may be true for some diodes , but one cannot have a continuous duty cycle..
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Old 12-31-2012, 02:44 PM #22
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Quote:
Originally Posted by sinner View Post
In case you noticed the obvious dimming after 1.85-1.95A and goes completely dim at 2.1A.. This may be true for some diodes , but one cannot have a continuous duty cycle..
Yes some diodes will dim over 1,8A and some will like the extra current! I said exactly that earlier ...
You can test your M140 easy with an LPM for her limits !
Anyway you need a good heatsink or very short duty cycles (~20s) @2A+

I call 30min a nearly continuous duty cycle wouldn't you ?

Last edited by Th3dArKn3o; 01-01-2013 at 04:15 PM.
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Old 12-31-2012, 03:10 PM #23
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Yes I would call it a continuous dc.. I might try this next time i build a laser i do have a spare diode and a bench that will go upto 3A & by that time my lpm setup will be ready too..

Thanks for the suggestion..
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Old 01-01-2013, 04:24 PM #24
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Default Re: M140 445nm Build - 1.77A in a Custom Host

No Problem mate
I hope my Ophir Head arrives in the next few weeks so I can make some tests on my own!
I look forward to your lpm results on this build
Best Regards
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Old 01-07-2013, 05:37 PM #25
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Default Re: M140 445nm Build - 1.77A in a Custom Host

A Couple of MOAR PICS!!

Polished it Today.. I was very Impressed by how beautiful the copper gets
when polished.. But too bad, It will only last a couple of weeks or so!!





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Old 01-08-2013, 12:53 AM #26
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Default Re: M140 445nm Build - 1.77A in a Custom Host

You should try clear lacquer it will last longer !
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Old 01-12-2013, 11:14 PM #27
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Love that host man! But I know I would play around with force oxidizing the copper, to give it a bit more character and rugged look. But different strokes for different folks.
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Old 01-12-2013, 11:28 PM #28
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Default Re: M140 445nm Build - 1.77A in a Custom Host

Thanks Guys.. @Jc: What do you suggest!!
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Old 01-12-2013, 11:58 PM #29
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Default Re: M140 445nm Build - 1.77A in a Custom Host

I have never tried it on copper, because I am mostly acid etching, stonewashing, and heat coloring Steel and titanium, but here is a good write up on copper patina(ing)

9 Tips on How to Oxidize Copper - wikiHow

I might get one of these hosts and see what I come up with later.

John
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Old 01-13-2013, 12:04 AM #30
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Default Re: M140 445nm Build - 1.77A in a Custom Host

I might go for electroplating , maybe nickel.. and these household patina methods looks pretty interesting too.. for the link!!

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Old 01-13-2013, 12:58 AM #31
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Default Re: M140 445nm Build - 1.77A in a Custom Host

If anything, try one thing, if you don't like it, brush it off, and hey something that fits you.
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