Antenna length and polarization response of antenna-coupled MOM diode infrared detectors |
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| Authors: | Jeffrey A. Bean Badri Tiwari Gergo Szakmány Gary H. Bernstein P. Fay Wolfgang Porod |
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| Affiliation: | 1. Institute of Applied Physics, Military University of Technology, 2 Kaliskiego St., 00-908 Warsaw, Poland;2. Vigo System S.A., 129/133 Poznańska St., 05-850 O?arów Mazowiecki, Poland;1. Centre for Broadband Communication, Physics Dept., Nelson Mandela Metropolitan University, P.O. Box 77000, Port Elizabeth 6031, South Africa;2. The Square Kilometre Array (SKA) Project, South Africa;3. University of Kabianga, Kenya;1. Spectroscopy Division, Zuev Institute of Atmospheric Optics, Siberian Branch of the Russain Academy of Science, 1 Akademichesky Av., Tomsk 634055, Russia;2. RAL Space, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 OQX, UK;3. Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK;4. Institute of Applied Physics, Russian Academy of Science, Nizhnii Novgorod 603950, Russia;5. Department of Meteorology, University of Reading, Earley Gate, Reading RG6 6BB, UK |
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| Abstract: | This work focuses on the fabrication and response of dipole antenna-coupled metal–oxide–metal diode detectors to long-wave infrared radiation. The detectors are fabricated using a single electron beam lithography step and a shadow evaporation technique. The detector’s characteristics are presented, which include response as a function of incident infrared power and polarization angle. In addition, the effect of dipole antenna length on detection characteristics for 10.6 μm radiation has been measured to determine resonant lengths. The response of the detector shows a first resonance at a dipole length of 3.1 μm, a second resonance at 9.3 μm, and third at 15.5 μm. The zeros intermediate to the resonances are also evident. |
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