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Old 01-02-2014, 01:47 AM #17
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

I think these new host are going to be something special if these do become a reliable source. I think active cooling will be the norm, whether tec or fan.


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405nmMarble Zaser 1060mw *
405nmFocus pen 80mw Pman
445nm Cypress 2750mw*
445nm MS-Envy 2645mw*
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445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
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Old 01-02-2014, 02:29 AM #18
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Quote:
Originally Posted by Tmack View Post
I think these new host are going to be something special if these do become a reliable source. I think active cooling will be the norm, whether tec or fan.
Perhaps, From what I see the issue with tec's is the added power requirements and the added heat, not sure about fans, how quiet can they get?
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Old 01-02-2014, 11:10 AM #19
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

I have a small 12v fan that is quite efficient running off even 1 3.7v cell that's very quiet. I've seen the fans used in a triple diode handheld, and I think jayrob put one in a mag light iirc. I know I've seen the build, just as little fuzzy on the builder.
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Old 01-02-2014, 11:31 AM #20
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Quote:
Originally Posted by CameronJP View Post
This scares me as well. But only because I'm gonna want one. The brightness of my <2watt 445 is astonishing. Then the dominator I'm getting is going to be even brighter... THEN this comes along and probably more than doubles that output... That would be an incredible sight.

It will be cool when people do multi diode builds with these... 20Watts will be easily obtainable for those guys!

Ahh, the future
(*counting days until the new 520's cheapen up*)
Unfortunately I don't think your Dominator will be much brighter than your current laser. It'll be brighter but you'll only notice comparing side-by-side.
I don't think these new ones will be much brighter either, but they'll be great for burning and for beam viewing with gratings (will look like a collection of 1W lasers if they don't burn the gratings!). Brightness seems to be much harder to increase after it gets to the point where the beam is "solid" - that's why I'm far more excited about the 520nm laser.
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Old 01-02-2014, 11:47 AM #21
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Quote:
Originally Posted by Mattronium View Post
not sure about fans, how quiet can they get?
Mine looks and sounds like a jet engine.

Last edited by djQUAN; 01-02-2014 at 11:48 AM.
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Old 01-02-2014, 11:59 AM #22
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

^^ lol really? Even running at the "required" 12v, mine is quiet. Just a little hum. The fans on my aixiz mini lab lasers are almost silent too. I guess they vary like anything else.
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Old 01-02-2014, 12:04 PM #23
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

The 5V fan I used is driven at a little over 6V. Plus there's a bit of turbulence inside the tube to aid cooling of the parts so you get that whooshing sound. Good news though is that it's been tested to be 100% duty. It probably gets pretty warm internally as the exhaust air does get warm at long run times but it hasn't failed yet. Time will tell.

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Old 01-02-2014, 12:18 PM #24
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

I would assume installing the fan in a housing would increase turbulence, in turn increase the noise. I would like to see a line of custom hosts designed to accept a fan for diodes like these, with a internal fan mount, and extra room for the fans independent power source. If 7w could really be achieved, I think a host like this would be great. Could open up possibilities for the c-mount diodes as well.
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405nmMarble Zaser 1060mw *
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445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
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Old 01-02-2014, 01:20 PM #25
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Quote:
Originally Posted by Tmack View Post
I have a small 12v fan that is quite efficient running off even 1 3.7v cell that's very quiet. I've seen the fans used in a triple diode handheld, and I think jayrob put one in a mag light iirc. I know I've seen the build, just as little fuzzy on the builder.

TEC mag 445nm "The FireFarter".



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Old 01-02-2014, 01:29 PM #26
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

There we go! I knew I've seen them pop up from time to time. Would love to give it a try, but I just started putting the word out that I want an extended heatsink for my mag light host.
Now something like that is definitely worthy of the monster 9mm
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405nmMarble Zaser 1060mw *
405nmFocus pen 80mw Pman
445nm Cypress 2750mw*
445nm MS-Envy 2645mw*
445nmMarble Zaser 2940mw*
445nmMag Light Mr crouse Heatsink 2790mw Jayrob & Speedy78*
445nmWicked Laser EVO E2 Custom M140 G2 1580mw*
520nm Sipik 125mw*
532nmHL532 505mw bloompyle
532nmCree B68 Pman Special 120mw, B&D 86mw,
638nmMarble Zaser 510mw *
650nmSFCR 280mw Joker
LK-3D Projector Hakzaw1 GB
Casa CTL-HM Projector Livinloud GB. -----((O))
Chauvet 40 DMX Controller Brucemir
Ophir 5w LPM*
R, G, B, V Marble Zaser set
Need a custom build? Send me a message

LED's - TK75vn killerthrow, BTU Shockervn, MX25L3vn, D40avn, TK61vn ( 622kcd!!) , D25Cvn ti, Mm15vn, V11rvn, V25cvn, C20cvn, S200c2vn, convoy m1 xml2 3a X2 , convoy c8, Tcr10vn, Tcr2vn VIP, X60vn V2, Hc90vn , Mh25, K40mvn (mtg2),Sd6vn, Pd35vn (xpl triple) Sinner titanium xml2
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Old 01-02-2014, 01:44 PM #27
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

If this 9mm does get more "affordable", I'm thinking of making a labby with fan and TEC. 12V input 100% duty using external li ion battery pack
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Old 01-02-2014, 07:50 PM #28
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

It all depends on how hard they can be driven beyond the datasheet values and if it still has a decent efficiency slope beyond 2.3A. If they are like the 9mm 445's now where we can double the datasheet current and get just as much mW/mA then we could be onto some crazy high powers, but if they crap out early then it's not much better than what we already got.
Like jander said it's all wait and see right not, too early to be planning swaps.
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Old 01-02-2014, 07:58 PM #29
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Awesome find shokkunlasers

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Old 01-02-2014, 08:46 PM #30
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Great that we gonna see more and more laser diodes instead of LEDs in these projectors.

This is a good read, I'm not through the whole article yet, but take a look:
Solid-State Lighting: Are Laser Diodes The Logical Successors To LEDs
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Old 01-02-2014, 09:02 PM #31
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

Cool find DJNY. Will definitely be an abundance of LD's if this takes off

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The 3 Furies ~ by Master Photon Wizard Daguin (blk C6 hosts w/ Mrcrouse FR)
Alecto 405nm
Tisiphone 445nm
Megaera 660nm
Gram (Wrath) 445nm ~ an SBA Lasers Custom Build (polished Kryton host 9mm 445nm)
Malice ~ an SBA Lasers Custom Build (Sinner MS-SSW host PL520)
MXDL host 56mw Fasttech green Pman custom build
B&D host "Dominator" 103mw Fastech green Pman custom build
Gordon host 33mw Fasttech green Pman custom build
Dr. Evil & MiniMe (SL Twintask host 660nm Mrcrouse HS & FR - in dev)
Daguin Mini Red
Deadeye Lasers Sirius 445nm Blue
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Old 01-02-2014, 10:40 PM #32
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Default Re: New Generation 445nm Diodes: Nichia NDB7A75

http://laserpointerforums.com/f55/gb...ml#post1265742

Made another thread.

Cheaper source New Nichia 440nm 455nm 3 5W 3500mW 9mm Laser Diode | eBay
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