Integrated Microbolometer Antenna Characterization from 95-650 GHz

Electrical responsivity and radiation patterns are presented for a Nb microbolometer coupled to an ultrawideband spiral antenna at 300 K. A hyper-hemispherical substrate lens focuses incident radiation through the substrate onto the antenna. The Nb bridge is suspended in air between the feed points...

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Bibliographic Details
Main Authors: Dietlein, C., Chisum, J.D., Ramirez, M.D., Luukanen, A., Grossman, E.N., Popovic, Z.
Format: Conference Proceeding
Language:English
Subjects:
Antenna feeds
Antenna measurements
Antenna radiation patterns
Bandwidth
Bolometers
Bridges
lens antennas
Lenses
Niobium
Spirals
submillimeter wave antennas
submillimeter wave detectors
submillimeter wave measurements
Ultra wideband antennas
Ultra wideband technology
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Description
Summary:Electrical responsivity and radiation patterns are presented for a Nb microbolometer coupled to an ultrawideband spiral antenna at 300 K. A hyper-hemispherical substrate lens focuses incident radiation through the substrate onto the antenna. The Nb bridge is suspended in air between the feed points of the equiangular spiral antenna with a nominal bandwidth of 0.2-1.8 THz. Pattern measurements are performed at 95 GHz, 238 GHz, and 650 GHz. Polarization at 95 GHz is also explored.
ISSN:0149-645X
2576-7216
DOI:10.1109/MWSYM.2007.380337