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- Title
Tailoring the High-Q LC Filter Arrays for Readout of Kilo-Pixel TES Arrays in the SPICA-SAFARI Instrument.
- Authors
Bruijn, M.; Gottardi, L.; Hartog, R.; Kuur, J.; Linden, A.; Jackson, B.
- Abstract
Following earlier presentations of arrays of high quality factor (Q $$>$$ 10.000) superconducting resonators in the MHz regime, we report on improvement of the packing density of resonance frequencies to 160 in the 1-3 MHz band. Spread in the spacing of resonances is found to be limited to 1 kHz (1 $$-$$ $$\sigma )$$ with the present fabrication procedure. The present packing density of frequencies and chip area approaches the requirements for the SAFARI instrument on the SPICA mission (in preparation). The a-Si:H dielectric layer in the planar S-I-S capacitors shows a presently unexplained apparent negative effective series resistance, depending on operating temperature and applied testing voltage.
- Subjects
BANDPASS filters; PARTICLE detectors; PIXELS; CRYOGENICS; SUPERCONDUCTING junction devices; CAPACITORS
- Publication
Journal of Low Temperature Physics, 2014, Vol 176, Issue 3/4, p421
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-013-1003-6