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Thread: True green diode laser rgb build

  1. #41
    Join Date
    Oct 2009
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    Eindhoven, The Netherlands
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    921

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    Quote Originally Posted by Phritzler View Post
    Hi!
    This are green OSRAM Diodes. Surely I have the new units blue Diodes (1,4W CW rated at 452nm) on my table for test. A bit better beamdata than the Nichia/CA$IO, and a nice blue wavelength - but still more expensive...
    Bests,
    Phil
    Are you talking more buck per diode here or more expensive per watt of actual photon power?

    Obviously, a 1,4W CW rated diode is a bit more expensive than any 1W rated diode would be.

  2. #42
    Join Date
    May 2007
    Location
    Austria/Vienna
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    Hi!
    I will just test it, no post results before.
    1.4W CW, 452nm says spectrometer, beamanalyzer says 15*1um Emitter Size (which is better than the nichia).
    The only thing is a small corona on one aixis on the beam. It´s just 3-4mW
    The only thing : the Current/Temperature curve isn´t as linear as I hoped.
    Price is arround 400,-€ each at the moment.
    The green Diodeprices dropped a bit, becouse i bought a mass. 195,- € each.
    Bests,
    Phil

  3. #43
    Join Date
    Aug 2011
    Location
    Alabama
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    270

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    Is the new price for 10 or more pieces? How much would shipping be to the US?

  4. #44
    Join Date
    May 2007
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    Austria/Vienna
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    Its the price becouse I bought 50pcs.
    With that its dropped for the guys here
    US shipping is about 20USD if I´m right
    Bests,
    Phil

  5. #45
    Join Date
    Aug 2011
    Location
    Alabama
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    270

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    I'm in for one. Give me a few days to see if anybody else is interested.

    I do have a couple questions though. What driver are you using? I need something small such as a Flex v5. What have you been setting the current to? I don't need the output to be anymore than 50 to 60mW.
    Last edited by DrEvil; 08-22-2012 at 03:59.

  6. #46
    Join Date
    Jan 2007
    Location
    Florida
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    4,382

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    Are the green diodes sensitive? (translation: easily converted into very expensive LEDs and bring tears to eyes .. and not tears of joy heh

  7. #47
    Join Date
    Aug 2012
    Location
    Pennsylvania, USA
    Posts
    1

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    Alright, DrEvil brought me here from LPF, I've snooped around here for some neat hosts before anyway.
    Sending PM!

  8. #48
    Join Date
    Dec 2006
    Location
    denver,co
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    1,078

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    Has anyone done any test of these? Do we know forward voltage, safe run currents, threshold, static sensitivity? I assume they are 3mm. Is there a data sheet? Are they single mode? Any tests with available lenses? How thermally sensitive are they? Are they case isolated? Still haven't seen any pics

    chad


    When the going gets weird, the weird turn pro.


  9. #49
    Join Date
    May 2007
    Location
    Austria/Vienna
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    310

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    Hi!
    you will get the data with the diodes from me (or ask per PM). Im not allowed to give out the official datasheet.
    Its 3,8mm case, they are Single mode. Im working on get a better collimator for green. Thermally sensitivity : The efficiency is lower than at red or blue ones,... With that I will let you know its better to use a tec and a good heatsink for it (its a nice diode). More info come soon.
    Bests,
    Phil

  10. #50
    Join Date
    May 2007
    Location
    Austria/Vienna
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    Hey guys!
    This data I´m allowed to give you out of the Osram green Diode :
    Case 3,8mm
    515-530nm , typically 520nm
    Operating Current 160-200mA (Better not over 160mA becouse of lifetime)
    Operating Voltage 7-8V
    Emittersize arround 7*25deg

    Bests,
    Phil

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