• Eidetic's Avatar
    02-17-2018, 07:49
    Here is a set of old laser pointers that'll warm the heart of any gas laser enthusiast. Two versions of the same model, they are both 1988 Laseronix, Inc. model LR10 He-Ne pointers with a case design that shows off the plasma tube inside. Dubbed the "Laseron", they both have inputs for inputs for...
    1 replies | 176 view(s)
  • Eidetic's Avatar
    02-08-2018, 06:50
    A very interesting old he-ne was just added to the archive with thanks to our own Laserbuilder, who shipped it all the way from Odessa, Ukraine. It's the 1986 LG-126 tunable he-ne shown below. The tube is cracked, but all the pieces are intact. There is a turret on the rear end that holds three...
    0 replies | 211 view(s)
  • Eidetic's Avatar
    02-07-2018, 06:42
    I've seen a green laser operating here with a 4nm bandwidth, but the project was shelved over a year ago.
    7 replies | 334 view(s)
  • Eidetic's Avatar
    02-06-2018, 07:25
    A desplecker for a laser beam is a "holy grail". No current technology will do it on such a small scale, and there's certainly nothing that'll cost less than $50. One can use an LCoS display random diffuser functions, but that won't work with scanning beam projectors. I think you're gonna' have...
    7 replies | 334 view(s)
  • Eidetic's Avatar
    01-24-2018, 06:44
    Eidetic replied to a thread Very Old Ruby Rods in The Lounge
    I don't understand the reference.
    3 replies | 345 view(s)
  • Eidetic's Avatar
    01-23-2018, 06:52
    Eidetic started a thread Very Old Ruby Rods in The Lounge
    Here is a real nugget for the VLA that showed up on Ebay recently. It's a set of ruby laser rods and associated optics that I believe came from Trion Instruments of Ann Arbor, Michigan. Trion was formed in 1961 by Lloyd G. Cross and Don Gillespie specifically to make pulsed ruby lasers. It was...
    3 replies | 345 view(s)
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