Title :
Beam-combining superconducting detector for submillimetre-wave astronomical interferometry
Author :
Withington, S. ; Campbell, E. ; Yassin, G. ; Tham, C.Y. ; Wolfe, S. ; Jacobs, K.
Author_Institution :
Dept. of Phys., Cambridge Univ., UK
fDate :
4/3/2003 12:00:00 AM
Abstract :
The feasibility of making single-chip, superconducting detectors for submillimetre-wave astronomical inteferometry is demonstrated. An experimental device based on back-to-back corrugated horns, and back-to-back finline transitions, was fabricated. The detector was illuminated at 350 GHz, using a coherent laboratory source, and 0.6° fringes were measured.
Keywords :
radioastronomical techniques; radiowave interferometry; submillimetre astronomy; submillimetre wave detectors; superconducting photodetectors; 350 GHz; back-to-back corrugated horns; back-to-back finline transitions; beam-combining single-chip superconducting detector; submillimetre-wave astronomical interferometry;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20030418
