Dual Band Kinetic Inductance Bolometers for Submillimeter-wave Imaging
Experimental and Theoretical Optical Response
S.O. Dabironezare (TU Delft - Electrical Engineering, Mathematics and Computer Science)
J. Hassel (VTT Technical Research Center of Finland)
E. Gandini (TU Delft - Electrical Engineering, Mathematics and Computer Science)
L. Grönberg (VTT Technical Research Center of Finland)
H. Sipola (VTT Technical Research Center of Finland)
V. Vesterinen (VTT Technical Research Center of Finland)
N. Llombart (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
In this contribution, a focal plane array (FPA) at submillimeter wavelengths is presented for security applications. The detectors are based on kinetic inductance bolometers. Two frequency selective absorber (FSA) sets were designed to implement a security imager. The effective pattern of the imager coupled to a black body point source over a wide frequency band (1:6) was demonstrated experimentally with excellent agreement to the one estimated by using a Fourier optics based technique.