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Thread: Another Old Soviet Educational Laser

  1. #1
    Join Date
    Jun 2009
    Mesa, AZ

    Default Another Old Soviet Educational Laser

    Here's one that has a unique feature. The 1982 LG-209 He-Ne includes a beam blocker that pulls off the front end by use of an antenna type extender. There's also a clear acrylic cover inside to allow safe observation of the laser's guts while in operation. The plasma tube was cracked so I didn't expect it to make the journey from Ukraine, and it didn't. I suppose I should've asked the seller to remove it for shipment, but that's hindsight. This laser is quite different than the 1980 LG-209 already in the collection. I'm so happy the Russians decided to include the dates on the lasers they made. Still, it's weird to see such different lasers with the same model numbers.

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  2. #2
    Join Date
    Jul 2005
    Tampa Florida


    What a strange design. Dam shame the tube was broken.
    Phil Bergeron( AKA 142laser)

  3. #3
    mixedgas's Avatar
    mixedgas is offline Creaky Old Award Winning Bastard Technologist
    Infinitus Excellentia Ion Laser Dominatus
    Join Date
    May 2007
    A lab with some dripping water on the floor.


    Ever hear of GOST? I bet some of the LG model numbers are ex Soviet "State Committee" designs adopted for production. As JSC Plasma and the company in Ukraine have a few overlapping models. So some GOST standards specified exact hardware, others specified the functionality and production quality and it was up to competing design bureaus and manufacturing plants to meet the goal however they could.

    I've seen pictures of an ophthalmic Argon system that basically was a Nidek clone, right down to a very similar tube to the SP glass Argon. I'm not calling it a copy, as we all know that making the plasma tube was not that easy a task, even if you had one to look at.

    A technical standard would often include sample or example plans for the device as a state standard. If you made it to the plans you called it a LG-xxx model, if you modified it, you either applied for another model number or re-labeled it.

    : ГОСТ , Is now Euro-Asian Council for Standardization, Metrology and Certification (EASC)
    , See WIKI for a really good explanation.

    Last edited by mixedgas; 06-11-2019 at 01:28.
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