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Beam waist measurement for terahertz time domain experiments

Abstract : Classical variable aperture masking method is not directly applicable to Time Domain Spectroscopy (TDS) experiments. Here, we present a simple and reliable method for measuring beam waists in TDS. It is based on the successive diffraction by an opaque disk followed by a small circular aperture. © 2009 IEEE.
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Guilhem Gallot, Alexander Podzorov, Antoine Wojdyla. Beam waist measurement for terahertz time domain experiments. 34th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2009, Sep 2009, Busan, South Korea. pp.1-2, ⟨10.1109/ICIMW.2009.5325575⟩. ⟨hal-00838901⟩



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