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1 September 2004 Resonant grating effects at terahertz frequencies
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Abstract
Narrow band resonant reflection of a polarized focused beam from a single-crystal silicon grid is demonstrated at terahertz frequencies with an efficiency close to 100 %. A spectral width of less than 7 μm at a resonance wavelength of 570 μm is achieved with a 4 mm-waist beam which overlaps with only ~10 grid periods. This compact reflection filter is a scale model of what can be expected at optical frequencies, but also represents a new type of compact terahertz device.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Emmanuel Bonnet, Alain Cachard, Alexandre V. Tishchenko, Olivier M. Parriaux, Frederic Garet, Jean-Louis Coutaz, and Georges-Andre Racine "Resonant grating effects at terahertz frequencies", Proc. SPIE 5466, Microwave and Terahertz Photonics, (1 September 2004); https://doi.org/10.1117/12.547447
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