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Antenna-coupled bolometers for millimeter waves

By: Ade, P.; Myers, M.J.; Tran, H.T.; Spieler, H.; Smith, A.; Richards, P.L.; O'Brient, R.; Lee, A.T.; Holzapfel, W.; Engargiola, G.;

2005 / IEEE

Description

This item was taken from the IEEE Periodical ' Antenna-coupled bolometers for millimeter waves ' We report on the development of antenna-coupled bolometers using Transition-Edge Sensors (TES) for millimeter waves. Our design uses a double-slot dipole antenna which feeds superconducting niobium microstrip. Microstrip filters are used to define the frequency band to which the bolometers are sensitive. The microstrip is terminated with a load resistor and the dissipated power is measured using a TES. We present the results of electrical and optical characterization of single bolometer pixels and discuss the development of a large bolometer array based on this design. This array is being developed for a Cosmic Microwave Background (CMB) polarization anisotropy experiment.