Antenna-coupled MKIDs for an Integral Field Unit at 7.8 THz
Alejandro Pascual Laguna (SRON–Netherlands Institute for Space Research, TU Delft - Tera-Hertz Sensing)
Juan Bueno (TU Delft - Electronics)
Stephen J.C. Yates (SRON–Netherlands Institute for Space Research)
Lorenza Ferrari (SRON–Netherlands Institute for Space Research)
Vignesh Murugesan (SRON–Netherlands Institute for Space Research)
David J. Thoen (TU Delft - Tera-Hertz Sensing)
Shahab O. Dabironezare (TU Delft - Tera-Hertz Sensing)
Huasheng Zhang (TU Delft - Tera-Hertz Sensing)
N. Llombart (TU Delft - Tera-Hertz Sensing)
Jochem J.A. Baselmans (TU Delft - Tera-Hertz Sensing)
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Abstract
A focal plane array of extended-hemispherical silicon lenses coupled to aluminum coplanar-waveguide (CPW) Microwave Kinetic Inductance Detectors (MKIDs) has been designed to operate at 7.8 THz. Low-dispersive leaky-wave radiation has been used to efficiently illuminate the antireflection-coated lenses. To minimize the radiation loss from the antenna feeding lines at these high frequencies, the CPWs have been miniaturized and placed on a dielectric membrane. A test device has been fabricated and its experimental characterization in terms of sensitivity, optical coupling, and beam patterns is ongoing.