IF Gain Bandwidth of membrane-based NbN Hot Electron Bolometers for SHAHIRA
Journal article, 2005
SHAHIRA (Submm Heterodyne Array for HIghspeed
Radio Astronomy) is a project supported by the European
Space Agency (ESA) and is designed to fly on the SOFIA observatory.
A quasi-optic design has been chosen for 2.5/2.7 THz and
4.7 THz, for hydroxyde radical OH, deuterated hydrogen HD and
neutral atomic oxygen OI lines observations. Hot electron bolometers
(HEBs) have been processed on 1 um thick SiO2 Si3N4
stress-less membranes. In this paper we analyse the intermediate
frequency (IF) gain bandwidth from the theoretical point of view,
and compare it to measurements.
gain bandwidth
THz
mixer
HEB
NbN
Author
Jean Baubert
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Morvan Salez
Harald Franz Arno Merkel
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Patrick Pons
Serguei Cherednichenko
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Benoit Lecomte
Vladimir Drakinskiy
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Gregory Goltsman
Bruno Leone
IEEE Applied Superconductivity
Vol. 15 2 505-510
Subject Categories
Physical Sciences