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  1. kecked

    Another Big He-Ne

    He is. I talk to him regularly. He’s however getting low on isotopic mix and helium 3. It just too expensive to buy more. Did you see his six footer down in the basement! If anyone could do it it would be dale.
  2. kecked

    Another Big He-Ne

    Contact hhrlasers if you want a new tube. He has even pumped the 100mw monsters.
  3. kecked

    Success shifting wavelengths of single mode 660nm diode laser using diffraction grating method

    I think you can shift via temp even more. Using temp is generally how 808nm diodes are tuned to match a lbo.
  4. kecked

    Greatest Burning Power, Where To Buy From

    yes Ban him as requested
  5. kecked

    Yellow 573nm DPSS Laser Modules

    If I had the time I’d try cooling one and driving it with a higher power pump to see what it can do. Bet you can get at least 100mw out of it which in yellow is a lot of visibility. My 10mw unit is very bright to the eye. So figure that would just a bout triple brightness is each power double...
  6. kecked

    Yellow 573nm DPSS Laser Modules

    Drop it in acetone and let the solvent dissolve the glue. Toss the diode. Clean the crystal start over with fresh diode
  7. kecked

    5W 488nm OPSL

    Pair looks like copper vapor
  8. kecked

    Make DPSS ruby laser worked!

    So end pumped? What the input and how did you couple? Basic reflector or something special? Hr pass 445 reflect 695 oc 2% 695? Where did you get the optics or just flat high pass dichroic.
  9. kecked

    Introducing Valkyrie 𖤍 573nm "True Yellow" & Mirror-Polished Steel Host!

    I’m beyond happy. And those gratings are a lot of fun. I rotated one and got a surprise they change! It’s the right power level too. Any more would be too bright. I had thought I wanted 100mw. That would have looked like a 5w blue. This is perfect. THANK you. The host is great too...
  10. kecked

    Introducing Valkyrie 𖤍 573nm "True Yellow" & Mirror-Polished Steel Host!

    Thank you. At first I thought it didn’t work! There is plastic on the battery. The color is certainly yellow. It’s still got a very slight green to it compared to 577 out of my dye laser but you have to look hard. Really nice thank you and to anyone thinking about they are realllly well...
  11. kecked

    Introducing Valkyrie 𖤍 573nm "True Yellow" & Mirror-Polished Steel Host!

    Wow that was fast! Just got mine this morning. I’ve never had one so please tell me which way the battery goes? I assume positive in but I think I read something different. Also I assume the black box with the usb is a charger for this battery? A slip of paper would be nice with this...
  12. kecked

    New exciting drivers coming soon!

    I don’t remember er anymore but yes I think your right
  13. kecked

    New exciting drivers coming soon!

    Do you have any that are modulatable? 6-10A. With a bias control. Leave pins to add lasorb on output would be nice. Ie a high current version of the flex mod. Or the same in 2-4A. Size doesn’t matter. Don’t forget interrupt for power and softstart to meet safety requirements. I have not...
  14. kecked

    PBS cubes

    I killed a cube will a nitrogen laser in about a day!
  15. kecked

    Don Gillespie of Eldon Lasers Passed Away

    Sorry for the loss i did not know him
  16. kecked

    PBS cubes

    Like 4 hrs a day full power 30 days so 120 hrs. Remember my stuff is pulsed with peak power in the kw.
  17. kecked

    Review of the Tinker brand 561nm SFDPSS Yellow-Green Laser Pen

    Any news on the 577nm laser modules?
  18. kecked

    PBS cubes

    Yes your right spread the power out and then telescope back down. Greta idea. I would not have considered that at diode levels but makes sense. Lens cheaper than optical contact cubes!


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