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Fourier Gratings Used as THz Multiplexers: Design, Simulation, Test

Abstract : Reflection phase gratings offer great potential as local oscillator beam multiplexers in THz imaging heterodyne receivers. Using the Lagrange's multipliers method, we have optimized the phase profiles to achieve high diffraction efficiencies for three, four and five beam linear multiplexers. Experimental results at 2.5 THz are reported for a three-beam bulk aluminum multiplexing device.
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https://hal-supelec.archives-ouvertes.fr/hal-01095743
Contributor : Thierry Leblanc <>
Submitted on : Tuesday, December 16, 2014 - 10:44:24 AM
Last modification on : Wednesday, September 16, 2020 - 4:45:14 PM

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Vishal Jagtap, Michel Redon, Annick Dégardin, Geoffroy Klisnick, Alain Kreisler. Fourier Gratings Used as THz Multiplexers: Design, Simulation, Test. IRMMW-THz 2014, University of Arizona and the International Society of Infrared, Millimeter, and Terahertz Wave, Sep 2014, Tucson, United States. pp.W2-D19-12, ⟨10.1109/IRMMW-THz.2014.6956422⟩. ⟨hal-01095743⟩

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