Antenna-coupled microbolometer-based THz detectors for room temperature beam profile imaging of the photoconductive THz pulse emitters

Author

Kasalynas, I. ; Venckevicius, R. ; Adomavicius, R. ; Valusis, G. ; Krotkus, A. ; Svigelj, A. ; Sesek, A. ; Pavlovic, L. ; Trontelj, J. ; Vinciunas, M.

Author_Institution

Center for Phys. Sci. & Technol., Vilnius, Lithuania

fYear

2014

fDate

14-19 Sept. 2014

Firstpage

1

Lastpage

1

Abstract

Properties of antenna-coupled microbolometers optimized for room temperature 300 GHz and 600 GHz resonant frequency detection is reported. Dipole antenna placed on freestanding SiN membrane is used to couple THz radiation power to the titanium-based thermo-resistor. We demonstrate that antenna-coupled micro-bolometers can be well suited for beam profile imaging of the THz pulses emitted by the photoconductive antenna switch.

Keywords

antennas; bolometers; membranes; microsensors; silicon compounds; terahertz wave detectors; SiN; THz radiation; antenna-coupled microbolometer-based THz detectors; beam profile imaging; dipole antenna; free- standing SiN membrane; frequency 300 GHz to 600 GHz; photoconductive THz pulse emitters; photoconductive antenna switch; resonant frequency detection; temperature 293 K to 298 K; titanium-based thermo-resistor; Antenna measurements; Arrays; Detectors; Dipole antennas; Frequency measurement; Imaging; Temperature measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared, Millimeter, and Terahertz waves (IRMMW-THz), 2014 39th International Conference on

Conference_Location

Tucson, AZ

Type

conf

DOI

10.1109/IRMMW-THz.2014.6956017

Filename

6956017