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24 September 2012 A 3mm multipixel SIS receiver for IRAM 30-m Pico Veleta Telescope
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Abstract
A 3mm band focal plane array heterodyne receiver is being developed for Nasmyth focus of the IRAM 30-m Pico Veleta Radio Telescope located in the Sierra Nevada Mountains, south of Spain. This receiver will comprise 25 dual linear polarization pixels operating across the 80-116GHz nominal band. Design efforts are being made to enlarge the band to cover the full 3mm atmospheric transmission window available at Pico Veleta, i.e. 72-116GHz. The instrument will be coupled to the Pico Veleta Telescope via a purely reflective low-loss optical system that includes a de-rotator. The receiver will be based on 5 x 5 cryogenically cooled dual-linear polarized feed horns cascaded with Ortho Mode Transducers (OMT) and side band separating SIS mixers, a technology which offers state-of-the-art performances for millimeter and sub-millimeter receivers.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Anne-Laure Fontana, Catherine Boucher, Patrice Serres, Yves Bortolotti, Florence Cope, Irvin Stil, Bastien Lefranc, Olivier Garnier, Gilles Butin, François Mattiocco, Santiago Navarro, Dave John, Alessandro Navarrini, and Karl F. Schuster "A 3mm multipixel SIS receiver for IRAM 30-m Pico Veleta Telescope", Proc. SPIE 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, 84522E (24 September 2012); https://doi.org/10.1117/12.926177
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