• Question: What is you favorite type of laser Argon-Ion or Helium-Neon?

    Asked by xenon to Mike, Pip, Tianfu, Tim, Tom on 3 Jul 2012.
    • Photo: Tim Stephens

      Tim Stephens answered on 3 Jul 2012:

      I prefer Argon-Ion because it’s green. HeNe is red, and as every sci-fi buff knows, the bad guys always use red lasers.

    • Photo: Tom Lister

      Tom Lister answered on 3 Jul 2012:

      Argon ion is tuneable, so can be different colours. It can also get pretty powerful (He-Ne can’t), so it’s a winner for me

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