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Old 07-10-2014, 12:46 AM #1
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Default 2W M462 462nm Laser Diode

2W M462 462nm Laser Diode








Spot size. Now this the best I could do at the moment. I will try to get a picture more aligned later but it is a pain. The spot/line on the M462 is just a little smaller than the M140 and less splash from dye reflection.








Now for the power test. No animals were harmed in the making of this test but two poor diodes were mortally wounded.























!!!Not Suggested to proceed past this point. 1.8A Max Suggested!!!





!!!Zombified!!!


Zombie running @ 800mA still does 550mW but if you try to increase it looses power....



So that is it for now More info to be added as it comes in.




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Old 07-10-2014, 01:03 AM #2
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Default Re: 2W M462 462nm Laser Diode

So for these, is there a guaranteed supply? Or did you manage that on the 9mm's too.

I'm sure everyone wants to know
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Old 07-10-2014, 01:04 AM #3
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Default Re: 2W M462 462nm Laser Diode

Nice to see another 462nm diode to perform so well, thanks dtr for the testing!
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Old 07-10-2014, 01:06 AM #4
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Default Re: 2W M462 462nm Laser Diode

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Originally Posted by ZRaffleticket View Post
So for these, is there a guaranteed supply? Or did you manage that on the 9mm's too.

I'm sure everyone wants to know


Nope these like the 9mm which are from a completely different supplier both say they are limited runs. Only time will tell if that is true or not but the 9mm ones already seem to be drying up which is good I found these.

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Old 07-10-2014, 01:13 AM #5
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Default Re: 2W M462 462nm Laser Diode

Good to know, glad I bought two 9mm's
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Old 07-10-2014, 02:39 AM #6
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Default Re: 2W M462 462nm Laser Diode

The divergence looks very similar to the osram PLT450B.

I'm glad that we have another cheaper alternative to the 462nm 9mm diodes.

Looking forward to the spectro readings
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Old 07-10-2014, 03:58 AM #7
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Default Re: 2W M462 462nm Laser Diode

Hmm. I think its about time to fill my empty kryton groove...

As always, thanks for another diode DTR
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Old 07-10-2014, 04:15 AM #8
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Default Re: 2W M462 462nm Laser Diode

Hmm...these look better than the 9mm variants in every way except maybe in how they take abuse. The 9mm ones can manage higher wavelengths due to their hardier nature.
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Old 07-10-2014, 04:55 AM #9
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Default Re: 2W M462 462nm Laser Diode

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Hmm...these look better than the 9mm variants in every way except maybe in how they take abuse. The 9mm ones can manage higher wavelengths due to their hardier nature.
I wouldn't speak so soon. You haven't seen the sprectrometer results yet
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Old 07-10-2014, 12:07 PM #10
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Default Re: 2W M462 462nm Laser Diode

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Originally Posted by IsaacT View Post
Hmm...these look better than the 9mm variants in every way except maybe in how they take abuse. The 9mm ones can manage higher wavelengths due to their hardier nature.
Agree, looks like these cant be pushed hard like the 9mm but I would like to know the WL @ say 1.7-1.8a.

It would be nice to achieve 469nm without over driving them too far.

Interesting note: the 5.6mm and 9mm seems to cap out around 2W (more or less)hmm
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Old 07-10-2014, 02:33 PM #11
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Default Re: 2W M462 462nm Laser Diode

You may not be able to tell, but does the zombified diode seem to stick at the wavelength it was at right before death, or jump back down to where it was at 800ma, pre-zombification?

PS, don't throw that zombie out. It would be interesting to spectro at some point.
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Old 07-10-2014, 03:44 PM #12
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Default Re: 2W M462 462nm Laser Diode

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Originally Posted by rhd View Post
You may not be able to tell, but does the zombified diode seem to stick at the wavelength it was at right before death, or jump back down to where it was at 800ma, pre-zombification?

PS, don't throw that zombie out. It would be interesting to spectro at some point.
I agree, I wouldn't mind a 500mW 473nm
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Old 07-10-2014, 05:30 PM #13
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Default Re: 2W M462 462nm Laser Diode

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I agree, I wouldn't mind a 500mW 473nm
Or, if wavelength continues to rise in its zombie state above 2.3A, then it would be equally neat to discover a 480nm 50mW zombie
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Old 07-10-2014, 05:46 PM #14
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Default Re: 2W M462 462nm Laser Diode

Despite it being multimode, it would still be desirable.

Granted, if something like that would actually still operate.
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Old 07-10-2014, 06:35 PM #15
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Default Re: 2W M462 462nm Laser Diode

Oh I kept it. Makes a nice little 350mW with a three element lens. The beam sucks with a G-2 as the beam pattern is all fouled up but a three element squeezes it all together into a nice beam.
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Old 07-10-2014, 07:03 PM #16
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Default Re: 2W M462 462nm Laser Diode

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Oh I kept it. Makes a nice little 350mW with a three element lens. The beam sucks with a G-2 as the beam pattern is all fouled up but a three element squeezes it all together into a nice beam.
You should send it to lazeerer for wavelength testing. You never know, you may have a one of a kind laser there Does it appear a lighter blue than the other M462 diodes now?
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250mW 650nm handheld

20mW 532nm pen
50mW 532nm pen

50mW 520nm Laserbtb handheld
1W 445nm Lazerer handheld
~150mW Single Mode 450nm C6

>1W 445nm DDL/LM317 Complete Homemade Build
3.1W Mag Machine


Wer fremde Sprachen nicht kennt, weiß nichts von seiner eigenen
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