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Laboratory work, TE or TM polarization?

  1. Jun 4, 2012 #1
    I have an IR laser for which I want to find the TE (Transverse Electrical) vs. TM (Transverse Magnetical) mode.

    I know that the laser has linear polarization, and is configured for a single longitudinal mode with transverse mode close to TEM00.

    I have a polarizer (not exactly but nearby the wavelength of the laser) and a half-wave plate.
    Since the laser is in IR its hard to see the beam with your eyes. I can use a power meter but how do I know when its TE and TM?

    Any help would be very much appreciated.
  2. jcsd
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