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Old 10-13-2012, 05:35 PM #81
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Default Re: Worlds most powerful handheld 4.4W 445nm

Quote:
Never thought about pennies and such. Arayan should test it out
I tried with a 2 euro cent coin with the beam focused by a lens. Some smoke arose after 40 sec and after 50 sec I turned off the pointer to avoid excessive heat. The coin had began very very heat but only a little sign remains on it. I want to try again with a better lens and obtain a video.

Quote:
Did you try to hit some clouds? I can't with my 445nm but the 638nm does it on the lower ones.. looks like the batman sign :P
I want to try it but away from my house... just to be safe against curious people


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Old 10-13-2012, 06:55 PM #82
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Default Re: Worlds most powerful handheld 4.4W 445nm

Quote:
Originally Posted by Arayan View Post
I tried with a 2 euro cent coin with the beam focused by a lens. Some smoke arose after 40 sec and after 50 sec I turned off the pointer to avoid excessive heat. The coin had began very very heat but only a little sign remains on it. I want to try again with a better lens and obtain a video.
Nice! Maybe you could try doing several duty cycles? Not sure how much it'd cool inbetween, though.

Quote:
Originally Posted by Arayan View Post
I want to try it but away from my house... just to be safe against curious people
Of course, dont forget to take pictures
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low 445nm: C6 from Survival Lasers (1351mW pk|1289mW avg|1100mW rtd)
high 450nm: NewWish (12.6mW pk|5mW rtd) | Dominator by Blord (3010mW pk|2779mW avg during 5min)
462nm: 501B by Atomic (1507mW avg)
473nm: BWB-10-OEM labby by CNI (10mW rtd)
~462-476nm "Tunablue" by Atomic (1.5W pk)
low 520nm: MXDL pen by DTR (31.6mW pk|28.8mW avg)
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589nm: Spartan from Dragon Lasers (58.4mW pk|37mW avg|50mW rtd)
632.8nm: HeNe pointer by Atomic (0.68mW rtd)
635nm: NewWish (4.6mW avg|5mW rtd)
638nm: Classic from Lazerer (409.3mW pk|389.4mW avg|415mW rtd)
650nm: NewWish (10.6mW pk|5mW rtd) | Dilda (216.3mW avg|200mW rtd)
685nm: laser-in-a-box by Atomic (30.4mW pk|29.3mW avg) | 501B by Atomic (32.4mW avg)
780nm: module (2.7mW avg|5mW rtd)
808nm: Classic modded from a 532nm (162mW avg)
850nm: module (8.8mW avg|7mW rtd)
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Old 10-13-2012, 07:05 PM #83
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Default Re: Worlds most powerful handheld 4.4W 445nm

Did anybody tried 'reaching the clouds' with other laser ? This is blue and bad divergence, so it would be equivalent to much weaker green for example. Of course, with this much power you have a lot to spare and you could try using some serious beam expander.
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Old 10-13-2012, 07:25 PM #84
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Default Re: Worlds most powerful handheld 4.4W 445nm

TBH I don't think divergence makes it harder. The only laser I can "often" hit the clouds with has one of those 638nm Mitsubishi diodes running at 415mW.

I guess having a bright dot and a weaker beam helps seeing what's dot and what's beam.
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low 445nm: C6 from Survival Lasers (1351mW pk|1289mW avg|1100mW rtd)
high 450nm: NewWish (12.6mW pk|5mW rtd) | Dominator by Blord (3010mW pk|2779mW avg during 5min)
462nm: 501B by Atomic (1507mW avg)
473nm: BWB-10-OEM labby by CNI (10mW rtd)
~462-476nm "Tunablue" by Atomic (1.5W pk)
low 520nm: MXDL pen by DTR (31.6mW pk|28.8mW avg)
high 520nm: Laserlands (8mW avg)
532nm: NewWish (28.6mW pk|26.8mW avg|10mW rtd) | Dapper (30.3mW pk) | Classic (120.0mW pk|103.1mW avg|100mW rtd) | "The Green Box" by Atomic (176.7mW pk|140.0mW avg)
589nm: Spartan from Dragon Lasers (58.4mW pk|37mW avg|50mW rtd)
632.8nm: HeNe pointer by Atomic (0.68mW rtd)
635nm: NewWish (4.6mW avg|5mW rtd)
638nm: Classic from Lazerer (409.3mW pk|389.4mW avg|415mW rtd)
650nm: NewWish (10.6mW pk|5mW rtd) | Dilda (216.3mW avg|200mW rtd)
685nm: laser-in-a-box by Atomic (30.4mW pk|29.3mW avg) | 501B by Atomic (32.4mW avg)
780nm: module (2.7mW avg|5mW rtd)
808nm: Classic modded from a 532nm (162mW avg)
850nm: module (8.8mW avg|7mW rtd)
980nm: NewWish (81mW pk|5mW rtd) | 2nd line around 490nm

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Old 10-14-2012, 12:30 AM #85
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Default Re: Worlds most powerful handheld 4.4W 445nm

Coins dont work all that well anymore there all alloy's but if you got back pre 70's you may have something...

most good coinage comes from pre 60's even in the post 60's they were playing with alloys becaue people were counter fitting coinage..

You should be able to do the math of the compund you want to melt somehow.. Ya got a sustainable 4W of output is it hot enuf to melt what you want to melt? Maybe some Flux would help...
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Old 10-17-2012, 03:50 PM #86
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Default Re: Worlds most powerful handheld 4.4W 445nm

Well, it would probably take more than 4W of heat to melt a penny, and the laser is only producing 4.4W. The transfer won't be 100% efficient either, so only a fraction of the lasers power will be transferred to the penny as heat.
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Old 10-17-2012, 04:19 PM #87
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Default Re: Worlds most powerful handheld 4.4W 445nm

Quote:
Originally Posted by ARGLaser View Post
Well, it would probably take more than 4W of heat to melt a penny, and the laser is only producing 4.4W. The transfer won't be 100% efficient either, so only a fraction of the lasers power will be transferred to the penny as heat.
I will try to melt the same coin with my 40W CO2 laser
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Focusable 150 mW, 532 nm
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170 mW, 650 nm from jeffreythe00 Link
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Old 10-17-2012, 05:28 PM #88
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Default Re: Worlds most powerful handheld 4.4W 445nm

Please make us a video :P
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405nm: NewWish (29.1mW avg|5mW rtd) | Dilda (81.5mW avg|200mW rtd) | 501B by Blord (633mW pk)
low 445nm: C6 from Survival Lasers (1351mW pk|1289mW avg|1100mW rtd)
high 450nm: NewWish (12.6mW pk|5mW rtd) | Dominator by Blord (3010mW pk|2779mW avg during 5min)
462nm: 501B by Atomic (1507mW avg)
473nm: BWB-10-OEM labby by CNI (10mW rtd)
~462-476nm "Tunablue" by Atomic (1.5W pk)
low 520nm: MXDL pen by DTR (31.6mW pk|28.8mW avg)
high 520nm: Laserlands (8mW avg)
532nm: NewWish (28.6mW pk|26.8mW avg|10mW rtd) | Dapper (30.3mW pk) | Classic (120.0mW pk|103.1mW avg|100mW rtd) | "The Green Box" by Atomic (176.7mW pk|140.0mW avg)
589nm: Spartan from Dragon Lasers (58.4mW pk|37mW avg|50mW rtd)
632.8nm: HeNe pointer by Atomic (0.68mW rtd)
635nm: NewWish (4.6mW avg|5mW rtd)
638nm: Classic from Lazerer (409.3mW pk|389.4mW avg|415mW rtd)
650nm: NewWish (10.6mW pk|5mW rtd) | Dilda (216.3mW avg|200mW rtd)
685nm: laser-in-a-box by Atomic (30.4mW pk|29.3mW avg) | 501B by Atomic (32.4mW avg)
780nm: module (2.7mW avg|5mW rtd)
808nm: Classic modded from a 532nm (162mW avg)
850nm: module (8.8mW avg|7mW rtd)
980nm: NewWish (81mW pk|5mW rtd) | 2nd line around 490nm

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Old 10-18-2012, 01:57 PM #89
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Default Re: Worlds most powerful handheld 4.4W 445nm

Quote:
Originally Posted by Atomicrox View Post
Please make us a video :P
Failed! More or less the same result obtained with 4.4 W laser. BTW I remember that my CO2 was not capable to punch an hole in a black can while a pulsed YAG laser succeeds How to burn a "burn" with a YAG laser
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Worlds most powerful handheld 4.9W 445nm by ARGLaser Link
>80 mW, 473 nm CNI-style handheld laser SOLD
160 mW, 532 nm, Optotronics pen SOLD
Focusable 150 mW, 532 nm
5 mW, 532 nm, Laserglow Anser
2 mW, 594 nm, Laserglow Rigel-2 SOLD
380 mW, 635 nm, the Copperhead by Wolfman Link
170 mW, 650 nm from jeffreythe00 Link
double beam pointer <5 mW, 650 nm ; 532 nm, Z-Bolt
<400 mW (220 mW) 808 nm Armlaser
KW-range 1064 nm pulsed YAG laser "gun" from AnselmoFanZero Link
40W, 10600 nm DIY CO2 laser Link
Safety glasses for each wavelength described above



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Old 10-18-2012, 06:17 PM #90
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Default Re: Worlds most powerful handheld 4.4W 445nm

Pity it failed but your other thread made my day. Do you by any chance buy all cool lasers lying around LPF? :P
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405nm: NewWish (29.1mW avg|5mW rtd) | Dilda (81.5mW avg|200mW rtd) | 501B by Blord (633mW pk)
low 445nm: C6 from Survival Lasers (1351mW pk|1289mW avg|1100mW rtd)
high 450nm: NewWish (12.6mW pk|5mW rtd) | Dominator by Blord (3010mW pk|2779mW avg during 5min)
462nm: 501B by Atomic (1507mW avg)
473nm: BWB-10-OEM labby by CNI (10mW rtd)
~462-476nm "Tunablue" by Atomic (1.5W pk)
low 520nm: MXDL pen by DTR (31.6mW pk|28.8mW avg)
high 520nm: Laserlands (8mW avg)
532nm: NewWish (28.6mW pk|26.8mW avg|10mW rtd) | Dapper (30.3mW pk) | Classic (120.0mW pk|103.1mW avg|100mW rtd) | "The Green Box" by Atomic (176.7mW pk|140.0mW avg)
589nm: Spartan from Dragon Lasers (58.4mW pk|37mW avg|50mW rtd)
632.8nm: HeNe pointer by Atomic (0.68mW rtd)
635nm: NewWish (4.6mW avg|5mW rtd)
638nm: Classic from Lazerer (409.3mW pk|389.4mW avg|415mW rtd)
650nm: NewWish (10.6mW pk|5mW rtd) | Dilda (216.3mW avg|200mW rtd)
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Old 10-18-2012, 07:12 PM #91
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Default Re: Worlds most powerful handheld 4.4W 445nm

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Pity it failed but your other thread made my day. Do you by any chance buy all cool lasers lying around LPF? :P
Thanks but unfortunately that "laser gun" is not longer mine but I gave it back to AnselmoFanZero
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Old 11-16-2012, 12:16 PM #92
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Default Re: Worlds most powerful handheld 4.4W 445nm

Would you build one of these for someone if they were to pay you the money for all the parts and your time?? Just curious.. as I'd be in heaven if I owned a 4+watt hand-held laser. That things freaking amazing man!!

Excellent job with the build too! Very professional IMO.

Let me know what you think the total cost would be and I might seriously consider it.

Thanks! Can't wait to see a 5-watt hand-held laser.. I'm sure its just a matter of time before one comes around.
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Old 11-17-2012, 02:30 AM #93
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Default Re: Worlds most powerful handheld 4.4W 445nm

Yes, I can build another for someone if they want. A 2.5W build from someone else (Blord or Lazereer) would be much cheaper (No optics, one less diode, one less driver, no custom host needed, one less lens) The part cost of the laser is not cheap.

It is one of a kind though, and it's amazing being able to see the beam outside on a sunny day. There is nothing quite like it.

I'm sure 5W is possible, I could've ran these diodes at .2A more each most likely, and I could have used a better mirror (This one was from Edmund optics, but there are even better ones) I chose 2A for this to be safe with the diode life, this laser will likely maintain 4.4W for a long time.

Mrcrouse even has a tri-diode host, and 7W is well within the range of possibility using knife edging.

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Old 11-17-2012, 06:05 AM #94
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Default Re: Worlds most powerful handheld 4.4W 445nm

I'd say 6W was possible but that is just my opinion..
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Old 11-17-2012, 04:33 PM #95
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Default Re: Worlds most powerful handheld 4.4W 445nm

Well, the higher the power the more optical loss. I don't like running diodes that hard either
If one diode is already pointed at 90 deg, and you got rid of the wave plate it would be loads more efficient, but with an ugly beam.
It would be possible to get close, but I don't think the 6W mark could be broken with the current 9mm's.
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Old 11-17-2012, 09:31 PM #96
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Default Re: Worlds most powerful handheld 4.4W 445nm

I'd say a 5.5W might be possible if you really push it and use the best optics you can find... maybe we'll get lucky and find some rogue 4W diodes?
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