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Old 09-29-2016, 03:34 PM #289
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Default Re: Holy @#$%... $100 488nm diode!!

Quote:
Originally Posted by HydroSean View Post
Yeah if I am not mistaking, it is cyan
Yeah, I've had a argon 488nm in the past and the beam color was stunning.
This youtube is a good example


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Old 09-29-2016, 04:04 PM #290
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Default Re: Holy @#$%... $100 488nm diode!!

The 7675 is the one I keep mentioning to people to buy over the M462. Forget about the extra output of the M if you really want to see a lighter blue at half the cost of the 07.


Edit:
Watching that video it looks almost like my greenest 07 except that the 488 looks just a bit lighter in color. That's on my netbook. Watching it on my note 4 it looks greener and darker and closer to what I have.
I am NOT saying that mine is 488nm at all. It does look like the video one though. My bet is in person it is WAY more green than the video shows. What a shock it would be if they looked the same in person but I'm saying no way would mine be that high. It would have to be a super freak.
I do have difraction gratings now in different flavors and couldn't believe my 44 doesn't just burn it up.
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I was thinking depending upon the real output of these I would build one into a pen to go with my pen collection although I sure wish I had another laser66/leadlight.
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Old 09-29-2016, 07:23 PM #291
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Default Re: Holy @#$%... $100 488nm diode!!

They did not get released today. Got this though.


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Maybe if driving hard pushes these up in the 490nm range it can get close to that awesome 500nm color. I am still kicking myself for letting that one go. Sent it out to get spectroed and it never came home. I had planned to do a nice build review with it get a lot of pictures but this is all I have now.

I had suspected at the time it might have been a PLT5-488 that got mixed in with a batch of PLTB450B as I never found anything like it before or again. I really don't think it was a fluke diode just a misshipment.




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Old 09-29-2016, 07:51 PM #292
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Default Re: Holy @#$%... $100 488nm diode!!

Mmmmmmm those pics are making me, eherm....you know I can't wait to get my hands on one of these bad boys. That's too bad about that diode you never got back, did you file a claim for it?

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Old 09-29-2016, 09:24 PM #293
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Default Re: Holy @#$%... $100 488nm diode!!

I have thought many times about a 500nm, that aquamarine glowing rod would look good, funny I used to hate those old aquamarine sears trucks, kind of a blueish teal, but as a laser beam it would be unique.

I would also love to have about 50 watts of 650nm in a 5mm wide beam, I still love that perfect red too.
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Old 09-29-2016, 10:13 PM #294
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Default Re: Holy @#$%... $100 488nm diode!!

Yeah, can't wait to do my own comparisons Red. Red can look really really nice especially the 650/660nm range as it is really red and not orange/red. Anyone want to see some beautiful red like Red and I are talking about take a look at the reds I posted in this thread:
Got red?
So what exactly does that mean J? I'm assuming you have had that happen also? Regardless I don't want anything to make you frustrated enough to think about not selling diodes anymore. We used to do things like have a bunch of members contribute to a diode test in case anything went wrong so we would all take the load. I don't know what happened to things like that. It's a shame that isn't the norm anymore. We use to work together a lot more than we do now
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Old 09-29-2016, 10:38 PM #295
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Default Re: Holy @#$%... $100 488nm diode!!

Some awesome teaser pics Jordan, such a beautiful wavelength!
I'm keeping my fingers crossed for this deal to be a success. I've got a lonely J/L Ti-B waiting to be fulfilled.
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Old 09-29-2016, 11:27 PM #296
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Default Re: Holy @#$%... $100 488nm diode!!

You really want to try over driving something that expensive and that you can possibly never get again? Wow. Assuming this is legit and they're of decent quality of course. I wonder if their multi mode 'oops' diodes or something weird... I have heard that 488 diodes are pretty fragile compared to other GaN diodes.
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Old 09-29-2016, 11:37 PM #297
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Default Re: Holy @#$%... $100 488nm diode!!

I have 3 main hopes regarding this.
1-They're for real.
2-They're reliable, relatively durable and long lasting.
3-They can consistently be acquired, and they're not some engineering samples that were smuggled out of a lab or something. It's gonna suck if they can only sell a small amount of them and we all need to fight over them.
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Old 09-30-2016, 12:05 AM #298
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Default Re: Holy @#$%... $100 488nm diode!!

What driver is going to be used for these new diodes?
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Old 09-30-2016, 03:28 AM #299
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Default Re: Holy @#$%... $100 488nm diode!!

Quote:
Originally Posted by dden4012 View Post
What driver is going to be used for these new diodes?
Depends what voltage/current they need.

Not sure we know that yet, do we?
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Old 09-30-2016, 03:56 AM #300
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Default Re: Holy @#$%... $100 488nm diode!!

Didn't someone have a data sheet on it? Maybe I'm thinking of a different diode.
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Old 09-30-2016, 04:09 AM #301
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Default Re: Holy @#$%... $100 488nm diode!!

Page one, post thirteen...

http://www.osram-os.com/Graphics/XPi...PLT5%20488.pdf


vf looks pretty high at 6v typical 7.5v max from the datasheet so hopefully a good source of boost drivers pop up as that doesn't seem to leave much wiggle room with dual lipo/buck setups.

Last edited by CynicalBrad; 09-30-2016 at 04:14 AM. Reason: I read the datasheet
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Old 09-30-2016, 04:12 AM #302
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Default Re: Holy @#$%... $100 488nm diode!!

There you go. 6 to 7.5 Vf. Probably a boost driver. Don't know how much more than 100 mA you want to drive it, though.
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445nm 2.2 watts Nichia MS Envy

445nm 2 watt SMP Copper Host
477nm 127 mW 501B
488nm Uniphase #2201-20SLAT argon laser head and power supply >40mW
520nm LaserLands pointer Measures 510nm
532nm LSR532H-1W Laser, LSR-PS-N1 Driver, RS-75-5 P.S. 1300 mW
532nm 200mW Thermostatically Controlled Fan Cooled (Besram) >230mW
532nm 189mW pocket lab laser
532nm lasers X6 100mW-200mW
532nm lasers X4 75mW- 140mW
632.8nm P210 New Laser Tube 0.57mW Melles Griot 05-LMP-827-037 PS
632.8nm Spectra- Physics He- Ne #102-2 4mW heads X2 and #236 power supply
632.8nm PMS He-Ne # 201P/ LPS-115 2mW
632.8nm Siemens HeNe LGK7630S 7.6mW
635nm 1 watt Cyprus II
635nm 1 watt SMP Copper host
635nm 5mW pointer
635nm 100mW pointer
635nm Lifetime17 Mini-camo build 687mW
650nm 65mW pointer
650nm 380mW 501B
808nm 1+W infrared laser
infrared video camera for collimating IR lasers
Ocean Optics USB2000 Spectrometer
Scientech Vector S310 with AC2500 10 Watt LPM
LaserBee II 3.2 Watt LPM
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Last edited by paul1598419; 09-30-2016 at 04:14 AM.
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Old 09-30-2016, 04:46 AM #303
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Default Re: Holy @#$%... $100 488nm diode!!

give lazeerer a call anyone?

or this Hiemal guy.
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Old 09-30-2016, 06:30 AM #304
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Default Re: Holy @#$%... $100 488nm diode!!

Quote:
Originally Posted by CynicalBrad View Post
Page one, post thirteen...

http://www.osram-os.com/Graphics/XPi...PLT5%20488.pdf


vf looks pretty high at 6v typical 7.5v max from the datasheet so hopefully a good source of boost drivers pop up as that doesn't seem to leave much wiggle room with dual lipo/buck setups.
Keep in mind that is a preproduction datasheet posted a year ago for more of an advertisement to get contracts not the final production datasheet. I really doubt we would be getting any test or engineering samples specially for this pricing meaning there could be changes for the actual production model. This was something that really makes me very skeptical about these guys getting them through official channels as they could not provide the production datasheet which would come with any shipment from a authorized Osram dealer.

Anyway if these diodes are 488nm and they are this diode and not another diode looks to be case negative so the driver will need to be able to work with continuous negative side which some don't like most of Lazeerers drivers or isolate. It will also require keeping a case ground which is not a problem for most all builds we do but if you have another diode in a multi diode build that is case positive at least one of the two would need to be case isolated.
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