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  1. bdgreenb

    Need people interested in 6X cylindrical pairs for the NUBM44

    mine arrived. Thanks Glutton!
  2. bdgreenb

    Holy @#$%... $100 488nm diode!!

    Re: Holy @#$%... $120 488nm diode!! Well played sir! Definitely in for at least 3. +rep
  3. bdgreenb

    Laser with throttle capabilities

    I have an M140 laser that uses a 5 mode led driver that allows 3 outputs as well as stove and sos, there are also 3 mode ones that just have low middle and high. There is a link to it in my sit.
  4. bdgreenb

    Direction Based Pass/ Reflect System

    A new angle on controlling light | MIT News This article explains a new system of passing/ reflecting light like a dichro or pbs, only it's based on the beams direction, not wavelength or polarization.
  5. bdgreenb

    GearBest Give Away

    #1 tasty lil lumia
  6. bdgreenb

    589nm misbehaving - wrong wavelength!!

    sweet! The first of my "532"s i put through my grating has 3 lines from a cold start 2 lines at 532+ the 3rd faint one was much more on the yellow side than my 543 HeNe. Once it warms up it is 532 only.
  7. bdgreenb

    Memory Lane (Pic Heavy)

    Bring a tear to my eye! Please elaborate on 500nm!
  8. bdgreenb

    Is it possible to achieve the same power density using an LED as with a laser diode?

    Fair enough. I used "application" incorrectly.:can: From the post i figured he was trying to achieve power density in a line. I thought a laser would be his best option compared to other light sources available.
  9. bdgreenb

    Is it possible to achieve the same power density using an LED as with a laser diode?

    This is one of those rare situations where our answer is that a laser is best for this application. Never don't use a laser when you should :D We usually get questions like, "Can i light a cigarette with a laser?" The answer is yes, but a lighter would work better and be safer.
  10. bdgreenb

    Lines in defocused spot?

    My condolences :cryyy:
  11. bdgreenb

    FEELER: XPL lasers RG:yellow with single mode diodes.

    I'm interested in one of these R+G. Also, are you selling PL520's by their lonesome michael? I would be interested in a few.
  12. bdgreenb

    Lines in defocused spot?

    I just have to chime in. Are you sure its not your batteries or possibly the driver? Low current to the diode can also cause individual lines to wink out. DTR even stated that lack of current can cause this effect. Its just always good to double check everything before you go for a whole...
  13. bdgreenb

    Probably unecessary reminder

    Your camera is more sensitive to 405nm light than your eyes. Anyone who has taken pictures of 405 can attest that only some cameras are able to show laser color properly, especially when it comes to ones at the edge of the visible spectrum. DPSS lasers are lasers that contain IR as it is...
  14. bdgreenb

    Sci-Fi lasers the legend of Eithan

    ? explain.
  15. bdgreenb

    DIODES on SALE!!

    I would just like to chime in that these diodes are awesome, nice and clean and work perfectly. I think i got a lucky a140. Powered it up just now and am getting 1.5W+ out of a blitzbuck at a little over an amp. +rep AB
  16. bdgreenb

    SXD Super X-Drive Adjustable 5A Driver Can preset current for you.

    Re: ~700mW 405nm violet laser & new SXD adj 5A & microboost driver Is the microdrive still for sale?
  17. bdgreenb

    SciFi 445 1W Problem

    it's always satisfying to see the forum working the way it's supposed to! well played everyone
  18. bdgreenb

    NUBM44.......Share your Ideas, concepts, videos, builds and more.

    Am I the only one who thinks 7watts in a hand held is just ridiculous? I just built my first 44 build and holy smokes. Instant fire? Gee whiz. Gonna go take a long vacation back into single modes for a while... Maybe check out that new 2.6W 465nm diode Edit: @ Cowboy: I'm aware the 465nm is...


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