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How to convert length units to inverse cm

  1. Jun 24, 2011 #1
    how to convert length units to inverse cm.For example arngstroms,nanometers to cm^-1.Thanks
  2. jcsd
  3. Jun 24, 2011 #2


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    Staff: Mentor

    Please elaborate what you are trying to do.

    In general - you can't, as one is a length unit, other is a spatial frequency unit. Different things.
  4. Jun 24, 2011 #3
    i want to use it with Fabry-Perot interferometer
  5. Jun 24, 2011 #4
    Well, you could have barns per centimer, or something like that. Not sure why you'd want it, but you cold.
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