Title :
Broad-band fast detection in Nb HEBs
Author :
Wood, K.P. ; Araujo, H.
Author_Institution :
QMC Instrum. Ltd., London, UK
Abstract :
Discusses design and test of a niobium superconducting edge hot-electron bolometer which operates from a standard 4K helium cryostat. It has a peak optical responsivity of 160 V/W and a minimum optical NEP of 4 pW.Hz/sup - 1/2 / with a detection time constant of 1.6 nanoseconds. The detector can be used throughout the millimetre, infrared and optical spectral regions. These performance figures should make the device very useful for free electron laser and pulsed field detection applications.
Keywords :
bolometers; cryostats; hot carriers; infrared detectors; millimetre wave detectors; niobium; photodetectors; superconducting devices; type II superconductors; 4 K; HEBs; Nb; cryostat; detection time constant; free electron laser; minimum optical NEP; peak optical responsivity; pulsed field detection; superconducting edge hot-electron bolometer; Bolometers; Electron optics; Free electron lasers; Helium; Infrared detectors; Infrared spectra; Niobium; Optical pulses; Superconducting photodetectors; Testing;
Conference_Titel :
Infrared and Millimeter Waves, 2000. Conference Digest. 2000 25th International Conference on
Conference_Location :
Beijing, China
Print_ISBN :
0-7803-6513-5
DOI :
10.1109/ICIMW.2000.892970
