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Sensors
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Advanced Sensor and Measurement Technologies in Astronomy and Astrophysics
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Advanced Sensor and Measurement Technologies in Astronomy and Astrophysics

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Environmental Sensing".

Deadline for manuscript submissions: 20 September 2024 | Viewed by 601

Special Issue Editor

Dr. Giuseppe Romeo

E-Mail Website
Guest Editor
Istituto Nazionale di Astrofisica (INAF), Osservatorio Astrofisico di Catania, 95123 Catania, Italy
Interests: astronomy and astrophysics; measurement; sensors; electronic instrumentation

Special Issue Information

Dear Colleagues,

Advanced sensors and measurement technologies have revolutionized the field of astronomy and astrophysics, enabling scientists to explore the cosmos with unprecedented detail and precision, and aiding in the observation, measurement, and understanding of celestial objects and phenomena.

This Special Issue therefore aims to highlight and put together research and/or review articles on advanced sensors and measurement technologies used in astronomy and astrophysics, including but not limited to the following:

  • Photon counting sensors (SiPMs);
  • Charge-coupled devices (CCDs);
  • CMOS sensors;
  • Photomultiplier tubes (PMTs);
  • Heterodyne receivers;
  • Bolometers;
  • Photodiodes and avalanche photodiodes (APDs);
  • Transition-edge sensors (TES);
  • Quantum sensors;
  • Time delay integration (TDI) sensors;
  • Advanced sensor data processing;
  • Remote sensing and space exploration;
  • Gravitational wave detection;
  • Radio wave detection;
  • Redshift measurements.

Dr. Giuseppe Romeo
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sensors is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sensors
  • space exploration
  • astronomy
  • astrophysics
  • cosmos

Published Papers (1 paper)

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Research

18 pages, 4258 KiB  
Article
Thermalization of Mesh Reinforced Ultra-Thin Al-Coated Plastic Films: A Parametric Study Applied to the Athena X-IFU Instrument
by Nicola Montinaro, Luisa Sciortino, Fabio D’Anca, Ugo Lo Cicero, Enrico Bozzo, Stéphane Paltani, Michela Todaro and Marco Barbera
Sensors 2024, 24(7), 2360; https://doi.org/10.3390/s24072360 - 08 Apr 2024
Viewed by 351
Abstract
The X-ray Integral Field Unit (X-IFU) is one of the two focal plane detectors of Athena, a large-class high energy astrophysics space mission approved by ESA in the Cosmic Vision 2015–2025 Science Program. The X-IFU consists of a large array of transition edge [...] Read more.
The X-ray Integral Field Unit (X-IFU) is one of the two focal plane detectors of Athena, a large-class high energy astrophysics space mission approved by ESA in the Cosmic Vision 2015–2025 Science Program. The X-IFU consists of a large array of transition edge sensor micro-calorimeters that operate at ~100 mK inside a sophisticated cryostat. To prevent molecular contamination and to minimize photon shot noise on the sensitive X-IFU cryogenic detector array, a set of thermal filters (THFs) operating at different temperatures are needed. Since contamination already occurs below 300 K, the outer and more exposed THF must be kept at a higher temperature. To meet the low energy effective area requirements, the THFs are to be made of a thin polyimide film (45 nm) coated in aluminum (30 nm) and supported by a metallic mesh. Due to the small thickness and the low thermal conductance of the material, the membranes are prone to developing a radial temperature gradient due to radiative coupling with the environment. Considering the fragility of the membrane and the high reflectivity in IR energy domain, temperature measurements are difficult. In this work, a parametric numerical study is performed to retrieve the radial temperature profile of the larger and outer THF of the Athena X-IFU using a Finite Element Model approach. The effects on the radial temperature profile of different design parameters and boundary conditions are considered: (i) the mesh design and material, (ii) the plating material, (iii) the addition of a thick Y-cross applied over the mesh, (iv) an active heating heat flux injected on the center and (v) a Joule heating of the mesh. The outcomes of this study have guided the choice of the baseline strategy for the heating of the Athena X-IFU THFs, fulfilling the stringent thermal specifications of the instrument. Full article
(This article belongs to the Special Issue Advanced Sensor and Measurement Technologies in Astronomy and Astrophysics)
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