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Recent content by dgoulian

  1. D

    Laser optics puzzle

    If I'm understanding your answer correctly, that would not work for interior surfaces (see original attached diagram).
  2. D

    Laser optics puzzle

    OK, a contemptuous in tone but useful. Thanks.
  3. D

    Laser optics puzzle

    Seems reasonable, but I suspect details on the the mirror design you propose would be complex. Care to show zoomed in detail on that mirror?
  4. D

    Laser optics puzzle

    I am trying to construct an inexpensive laser flatness detector to bring on my trip to Egypt. Because of their optics, lasers all tend to be round, so the beam will never exit at the surface that it rests on (yes, you can aim the laser below the edge of the surface, but that won’t work for...




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