Arrays of Annular Antennas With SINIS Bolometers

Tarasov, M.; Gunbina, A. A.; Mahashabde, Sumedh; Yusupov, R. A.; Chekushkin, Artem; Nagirnaya, D. V.; Édelman, V. S.; Yakopov, G. V.; Vdovin, V. F.

doi:10.1109/tasc.2019.2941857

Cited by 11 publications

(7 citation statements)

References 17 publications

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“…We studied the receiver in the form of a matrix of 5x5 ring planar antennas. The rings were cut in halves and SINIS structures were inserted into the gaps, where S is aluminum superconducting electrodes, I is an aluminum oxide tunnel barrier, N is a layer of non-superconducting aluminum with thin iron sublayer [12,13]. For direct current bias, the rings are connected in series.…”

Section: W II Experimentalmentioning

confidence: 99%

Electron-Phonon Interaction in Aluminum SINIS

Lemzyakov¹,

Tarasov

Édelman³

2022

IEEE Trans. Appl. Supercond.

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A detailed analysis of power flow in superconductorinsulator-normal metal-insulator-superconductor (SINIS) structures with aluminum superconducting electrodes and normal metal absorber made of aluminum with suppressed superconductivity is carried out. From a comparison with the experimental results of measuring the current-voltage characteristics at temperatures from 0.087 K to 0.3 K, it was concluded that the power of the electron-phonon interaction is proportional to the difference of sixth powers of the electron and phonon temperatures. The previously applied relation with the difference of fifth powers leads to an almost twofold error in determining the power of the electron-phonon interaction and an estimate of the electron temperature that is underestimated by about 40 mK.

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Section: W II Experimentalmentioning

confidence: 99%

Electron-Phonon Interaction in Aluminum SINIS

Lemzyakov¹,

Tarasov

Édelman³

2022

IEEE Trans. Appl. Supercond.

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“…FSSs with required spectral characteristics can be integrated with superconducting detectors, as in [14], and develop receivers for several frequency bands. Besides conventional half-wavelength antenna elements [6], wideband detectors with electrically small elements [5,15] can be developed. Another important application of FSSs is in developing spectral filters for background radiation power load suppression.…”

Section: Frequency-selective Surfacesmentioning

confidence: 99%

“…As reported in [4], the SINIS parameters of responsivity dV/dP ∼ = 10 9 V/W and NEP < 10 −16 W/Hz 1/2 can be improved by using microwave superconducting quantum interferometer (SQUID) readout electronics. Integrating SINIS detectors in a series or parallel matrices [5,6] improves the dynamic range and allows for their use in ground-based observatories with a background power load of tens of picowatts.…”

Section: Introductionmentioning

confidence: 99%

Arrays of Sub-Terahertz Cryogenic Metamaterial

et al. 2021

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Integrated quasi-optical cryogenic terahertz receivers contain arrays of detectors, quasi-optical filters, interferometers, and other metamaterials. Matrices of quasi-optical band-pass, low-pass, and high-pass filters, Fabry–Perot grid interferometers, and arrays of half-wave and electrically small antennas with superconductor-insulator-normal metal-insulator-superconductor (SINIS) sub-terahertz wavelength range detectors were fabricated and experimentally studied on the same computational, technological, and experimental platform. For the design of the filters, we used the periodic frequency-selective surfaces (FSS) approach, contrary to detector arrays that can be presented in a model of distributed absorbers. The structures were fabricated using direct electron beam lithography, thermal shadow evaporation, lift-off, alternatively magnetron sputtering, and chemical and plasma etching. The numerical simulation methods of such structures are sufficiently different: for the reactive matrices with low losses, the approximation of an infinite structure with periodic boundary conditions is applicable, and for the arrays of detectors with dissipative elements of absorbers, a complete analysis of the finite structure with hundreds of interacting ports is applicable. The difference is determined by the presence of dissipation in the detector arrays, the phase of the reflected or re-emitted signal turned out to be undefined and the Floquet periodic boundary conditions are correct only for a phased array antenna. The spectral characteristics of the created filters, interferometers, and antenna arrays were measured in the frequency range 50–600 GHz.

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“…Antenna matrices where the power of the incoming radiation is distributed among the detectors are conventionally employed to extend the dynamic range and get a high power in one pixel. A matrix of planar half-wave antennas connected in series or in parallel (depending on the readout equipment) with a period of the order of the wavelength is the classical example [127][128][129]. A matrix of 10 × 10 antennas will occupy an area of about 100 squares of the wavelength.…”

Section: Matrix Of Electrically Small Antennas In the 200-400 Ghz Bandmentioning

confidence: 99%

Superconducting Receivers for Space, Balloon, and Ground-Based Sub-Terahertz Radio Telescopes

Balega

Baryshev

Bubnov

et al. 2020

Radiophys Quantum El

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We give a review of both our own original scientific results of the development of superconducting receivers for sub-terahertz astronomy and the main leading concepts of the global instrumentation. The analysis of current astronomical problems, the results of microwave astroclimate research, and the development of equipment for sub-terahertz radio astronomy studies justify the need and feasibility of a major infrastructure project in Russia to create a sub-terahertz telescope, as well as to enhance the implementation of the ongoing Millimetron and Suffa projects. The following results are discussed: i) superconducting coherent receivers and broadband subterahertz detectors for space, balloon, and ground-based radio telescopes have been developed and tested; ii) ultrasensitive receiving systems based on tunnel structures such as superconductorinsulator -superconductor (SIS) and superconductor -insulator -normal metal -insulatorsuperconductor (SINIS) have been created, fabricated, and examined; iii) a receiving array based on SINIS detectors and microwave readout system for such structures has been implemented; iv) methods for manufacturing high-quality tunnel structures Nb/AlO x /Nb and Nb/AlN/NbN based on niobium films with a current density of up to 30 kA/cm 2 have been developed. Receivers operated at 200 to 950 GHz and having a noise temperature only a factor of 2 to 5 higher than the quantum limit have been created and tested.

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Arrays of Annular Antennas With SINIS Bolometers

Cited by 11 publications

References 17 publications

Electron-Phonon Interaction in Aluminum SINIS

Electron-Phonon Interaction in Aluminum SINIS

Arrays of Sub-Terahertz Cryogenic Metamaterial

Superconducting Receivers for Space, Balloon, and Ground-Based Sub-Terahertz Radio Telescopes

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