SubTHz Arrays of Planar Antennas with SINIS bolometers for BTA

Yakopov, G. V.; Tarasov, M.; Gunbina, A. A.; Mansfeld, M.A.; Yusupov, R. A.; Édelman, V. S.; Vdovin, V. F.

doi:10.1051/epjconf/201819505014

Cited by 4 publications

(5 citation statements)

References 3 publications

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“…Все исследуемые структуры, представленные в данной работе, облучаются приходящим сигналом со стороны антенн, а на обратную сторону подложки наносится контррефлектор в виде толстой (200 nm) пленки Ti/Au. Различные методы облучения приемных матриц (со стороны диэлектрической подложки и со стороны антенн) более подробно рассмотрены в [11,12].…”

Section: матрицы полуволновых антеннunclassified

“…Единичные элементы разрабатываемых матриц диапазона 350 GHz: a) полуволновая антенна (слева) и электрически малая антенна (справа); b) СИНИС-болометр, интегрированный в антенны[12]. виями и источником излучения (волноводный порт) в дальней зоне.…”

unclassified

“…На части b) резкий спад ниже 220 GHz определяется диаметром волновода, используемого в качестве направляющей структуры. Ранее используемая экспериментальная установка с одним опорным каналом снаружи криостата (пироэлектрический приемник) для измерения спектрального отклика приемной матрицы[12].…”

unclassified

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Спектральный Отклик Матриц Полуволновых И Электрически Малых Антенн С Синис-Болометрами

Гунбина¹,

Тарасов²,

Лемзяков³

et al. 2020

Физика Твердого Тела

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Two types arrays of ring half – wave and electrically small antennas (the typical sizes of the elements correspond to 1/10 of the wavelength) of SubTHz band with integrated Superconductor – Insulator – Normal metal – Insulator-Superconductor (SINIS) bolometers have been developed, fabricated and investigated. It is necessary to make numerical modeling of the full structure and to use additional reference channels in experimental studies for improving the accuracy of the spectral response estimations of receiving arrays. In this work, three reference channels were used for normalization: a pyroelectric receiver outside the cryostat and two cold channels – a RuO2 bolometer and chain of NIS junctions as a thermometer.

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Section: матрицы полуволновых антеннunclassified

unclassified

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Спектральный Отклик Матриц Полуволновых И Электрически Малых Антенн С Синис-Болометрами

Гунбина¹,

Тарасов²,

Лемзяков³

et al. 2020

Физика Твердого Тела

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“…Major projects, such as SCUBA-2 [122], BICEP2, Keck, and Spider CMB Polarimeters [123], or the upcoming LiteBIRD mission [124], can be taken as the examples of using such bolometers in observatories. There are many other competitive ideologies for constructing superconducting detectors of sub-terahertz waves, such as hot-electron bolometers [125] and detectors with a SINIS structure [126]. In particular, hot-electron sub-terahertz and terahertz bolometers created by the Russian team of the Moscow State Pedagogical University, have successfully been used in ground-based and spaceborne observatories [125].…”

Section: Incoherent Cryogenic Detectorsmentioning

confidence: 99%

“…Such characteristics meet the requirements for use on ground-based high-altitude and balloon telescopes, but the practical exploitation of SINIS detectors at observatories has not yet been presented. As part of the work conducted by the authors of this paper, it is planned to introduce SINIS detectors for research at the LAT observatory for the first time [66,67].…”

Section: Introductionmentioning

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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