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EnglishThe Euclid mission objective is to understand why the expansion of the Universe is accelerating through by mapping the geometry of the dark Universe by investigating the distance-redshift relationship and tracing the evolution of cosmic structures. The Euclid project is part of ESA's Cosmic Vision program with its launch planned for 2020 (ref [1]). The NISP (Near Infrared Spectrometer and Photometer) is one of the two Euclid instruments and is operating in the near-IR spectral region (900- 2000nm) as a photometer and spectrometer. The instrument is composed of: - a cold (135K) optomechanical subsystem consisting of a Silicon carbide structure, an optical assembly (corrector and camera lens), a filter wheel mechanism, a grism wheel mechanism, a calibration unit and a thermal control system - a detection subsystem based on a mosaic of 16 HAWAII2RG cooled to 95K with their front-end readout electronic cooled to 140K, integrated on a mechanical focal plane structure made with molybdenum and aluminum. The detection subsystem is mounted on the optomechanical subsystem structure - a warm electronic subsystem (280K) composed of a data processing / detector control unit and of an instrument control unit that interfaces with the spacecraft via a 1553 bus for command and control and via Spacewire links for science data This presentation describes the architecture of the instrument at the end of the phase C (Detailed Design Review), the expected performance, the technological key challenges and preliminary test results obtained for different NISP subsystem breadboards and for the NISP Structural and Thermal model (STM).
| Titolo: | Euclid Near Infrared Spectrometer and Photometer instrument concept and first test results obtained for different breadboards models at the end of phase C |
| Autore/i: | Maciaszek, Thierry; Ealet, Anne; Jahnke, Knud; Prieto, Eric; Barbier, Rémi; Mellier, Yannick; Beaumont, Florent; Bon, William; Bonefoi, Anne; Carle, Michael; Caillat, Amandine; Costille, Anne; Dormoy, Doriane; Ducret, Franck; Fabron, Christophe; Febvre, Aurélien; Foulon, Benjamin; Garcia, Jose; Gimenez, Jean Luc; Grassi, Emmanuel; Laurent, Philippe; Mignant, David Le; Martin, Laurent; Rossin, Christelle; Pamplona, Tony; Sanchez, Patrice; Vives, Sebastien; Clémens, Jean Claude; Gillard, William; Niclas, Mathieu; Secroun, Aurélia; Serra, Benoit; Kubik, Bogna; Ferriol, Sylvain; Amiaux, Jérome; Barrière, Jean Christophe; Berthe, Michel; Rosset, Cyrille; Macias Perez, Juan Francisco; Auricchio, Natalia; De Rosa, Adriano; Franceschi, Enrico; Guizzo, Gian Paolo; Morgante, Gianluca; Sortino, Francesca; Trifoglio, Massimo; Valenziano, Luca; PATRIZII, LAURA; CHIARUSI, TOMMASO; FORNARI, FEDERICO; Giacomini, F.; MARGIOTTA, ANNARITA; MAURI, NICOLETTA; PASQUALINI, LAURA; SIRRI, GABRIELE; SPURIO, MAURIZIO; TENTI, MATTEO; TRAVAGLINI, RICCARDO; Dusini, Stefano; Dal Corso, F.; Laudisio, F.; Sirignano, C.; Stanco, L.; Ventura, S.; Borsato, Enrico; Bonoli, Carlotta; Bortoletto, Favio; Balestra, Andrea; D'Alessandro, Maurizio; Celi, Eduardo Medina; Farinelli, Ruben; Corcione, Leonardo; Ligori, Sebastiano; Grupp, Frank; Wimmer, Carolin; Hormuth, Felix; Seidel, Gregor; Wachter, Stefanie; Padilla, Cristobal; Lamensans, Mikel; Casas, Ricard; Lloro, Ivan; Toledo Moreo, Rafael; Gomez, Jaime; Colodro Conde, Carlos; Lizán, David; Diaz, Jose Javier; Lilje, Per B.; Toulouse Aastrup, Corinne; Andersen, Michael I.; Sørensen, Anton N.; Jakobsen, Peter; Hornstrup, Allan; Jessen, Niels Christian; Thizy, Cédric; Holmes, Warren; Israelsson, Ulf; Seiffert, Michael; Waczynski, Augustyn; Laureijs, René J.; Racca, Giuseppe; Salvignol, Jean Christophe; Boenke, Tobias; Strada, Paolo |
| Autore/i Unibo: | |
| Anno: | 2016 |
| Rivista: | |
| Titolo del libro: | Proceedings of SPIE - The International Society for Optical Engineering |
| Pagina iniziale: | 99040T |
| Pagina finale: | 99040T |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1117/12.2232941 |
| Abstract: | The Euclid mission objective is to understand why the expansion of the Universe is accelerating through by mapping the geometry of the dark Universe by investigating the distance-redshift relationship and tracing the evolution of cosmic structures. The Euclid project is part of ESA's Cosmic Vision program with its launch planned for 2020 (ref [1]). The NISP (Near Infrared Spectrometer and Photometer) is one of the two Euclid instruments and is operating in the near-IR spectral region (900- 2000nm) as a photometer and spectrometer. The instrument is composed of: - a cold (135K) optomechanical subsystem consisting of a Silicon carbide structure, an optical assembly (corrector and camera lens), a filter wheel mechanism, a grism wheel mechanism, a calibration unit and a thermal control system - a detection subsystem based on a mosaic of 16 HAWAII2RG cooled to 95K with their front-end readout electronic cooled to 140K, integrated on a mechanical focal plane structure made with molybdenum and aluminum. The detection subsystem is mounted on the optomechanical subsystem structure - a warm electronic subsystem (280K) composed of a data processing / detector control unit and of an instrument control unit that interfaces with the spacecraft via a 1553 bus for command and control and via Spacewire links for science data This presentation describes the architecture of the instrument at the end of the phase C (Detailed Design Review), the expected performance, the technological key challenges and preliminary test results obtained for different NISP subsystem breadboards and for the NISP Structural and Thermal model (STM). |
| Data stato definitivo: | 17-mar-2017 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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http://hdl.handle.net/11585/582395
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