Antenna-coupled MKIDs for an Integral Field Unit at 7.8 THz
Alejandro Pascual Laguna (SRON–Netherlands Institute for Space Research, TU Delft - Electrical Engineering, Mathematics and Computer Science)
Juan Bueno (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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 - Electrical Engineering, Mathematics and Computer Science)
Shahab O. Dabironezare (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Huasheng Zhang (TU Delft - Electrical Engineering, Mathematics and Computer Science)
N. Llombart (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Jochem J.A. Baselmans (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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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.