Physics – Instrumentation and Detectors
Scientific paper
Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4008..328m&link_type=abstract
Proc. SPIE Vol. 4008, p. 328-336, Optical and IR Telescope Instrumentation and Detectors, Masanori Iye; Alan F. Moorwood; Eds.
Physics
Instrumentation and Detectors
2
Scientific paper
We report on the design and testing of a new readout scheme for Superconducting Tunnel Junction (STJ) arrays. By grouping the electrodes in rows and columns, this method drastically reduces the number of connections and electronic circuits required for reading out a large format array of pixelated detectors. It is a generic scheme in that it could be applied to different kinds of detector arrays. Using charge sensitive amplifiers with junction field-effect transistors we verify that the energy resolution degrades primarily due to capacitance increase at the amplifier's input node. However, since each detector is read-out by two independent circuits, these two outputs can be combined to increase the signal-to-noise level. The measurements reported here were carried out on an array of 6 by 6 junctions. All junctions were biased but only 2 rows and 2 columns read-out. We compare the result to measurement carried out on a similar 6 by 6 array fabricated from the same trilayer but with individual pixel read-out. The measurements show that stable biasing of STJs is possible with the new configuration and that the measured optical spectral line resolutions are consistent with our theoretical predictions.
Goldie David J.
Martin Didier D.
Peacock Anthony J.
Verhoeve Peter
No associations
LandOfFree
Matrix readout for superconducting tunnel junction arrays does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Matrix readout for superconducting tunnel junction arrays, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Matrix readout for superconducting tunnel junction arrays will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-893876