Scalable background-limited polarization-sensitive detectors for mm-wave applications

Karwan Rostem; Aamir Ali; John W. Appel; Charles L. Bennett; David T. Chuss; Felipe A. Colazo; Erik Crowe; Kevin L. Denis; Tom Essinger-Hileman; Tobias A. Marriage; Samuel H. Moseley; Thomas R. Stevenson; Deborah W. Towner; Kongpop U-Yen; Edward J. Wollack

doi:10.1117/12.2057266

23 July 2014 Scalable background-limited polarization-sensitive detectors for mm-wave applications

Karwan Rostem, Aamir Ali, John W. Appel, Charles L. Bennett, David T. Chuss, Felipe A. Colazo, Erik Crowe, Kevin L. Denis, Tom Essinger-Hileman, Tobias A. Marriage, Samuel H. Moseley, Thomas R. Stevenson, Deborah W. Towner, Kongpop U-Yen, Edward J. Wollack

Author Affiliations +

Proceedings Volume 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII; 91530B (2014) https://doi.org/10.1117/12.2057266
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

We report on the status and development of polarization-sensitive detectors for millimeter-wave applications. The detectors are fabricated on single-crystal silicon, which functions as a low-loss dielectric substrate for the microwave circuitry as well as the supporting membrane for the Transition-Edge Sensor (TES) bolometers. The orthomode transducer (OMT) is realized as a symmetric structure and on-chip filters are employed to define the detection bandwidth. A hybridized integrated enclosure reduces the high-frequency THz mode set that can couple to the TES bolometers. An implementation of the detector architecture at Q-band achieves 90% efficiency in each polarization. The design is scalable in both frequency coverage, 30-300 GHz, and in number of detectors with uniform characteristics. Hence, the detectors are desirable for ground-based or space-borne instruments that require large arrays of efficient background-limited cryogenic detectors.

Citation Download Citation

Karwan Rostem, Aamir Ali, John W. Appel, Charles L. Bennett, David T. Chuss, Felipe A. Colazo, Erik Crowe, Kevin L. Denis, Tom Essinger-Hileman, Tobias A. Marriage, Samuel H. Moseley, Thomas R. Stevenson, Deborah W. Towner, Kongpop U-Yen, and Edward J. Wollack "Scalable background-limited polarization-sensitive detectors for mm-wave applications", Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 91530B (23 July 2014); https://doi.org/10.1117/12.2057266

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