Zobrazeno 1 - 10 of 35 pro vyhledávání: '"Sara Svendsen"'
2
Fine structure of the atomic scattering factors near the iridium L-edges
Autor: Hisamitsu Awaki, Yoshitomo Maeda, Hironori Matsumoto, Marcos Bavdaz, Finn E. Christensen, Maximilien Collon, Desiree D. M. Ferreira, Kazunori Ishibashi, Sonny Massahi, Takuya Miyazawa, Sara Svendsen, Keisuke Tamura
Publikováno v: Awaki, H, Maeda, Y, Matsumoto, H, Bavdaz, M, Christensen, F E, Collon, M, Ferreira, D D M, Ishibashi, K, Massahi, S, Miyazawa, T, Svendsen, S & Tamura, K 2022, ' Fine structure of the atomic scattering factors near the iridium L-edges ', Journal of Astronomical Telescopes, Instruments, and Systems, vol. 8, no. 4, 044001 . https://doi.org/10.1117/1.JATIS.8.4.044001
We measured the reflectivity of an Athena silicon pore optics sample coated with 10-nm thick iridium near the iridium L-edges (L3 , L2, and L1) in a step of 1.5 eV. The derived atomic scattering factor f2 was similar to a shape of the absorption coef
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ff5acd3e5a04cdf3f32b1f838a09a49
https://doi.org/10.1117/1.jatis.8.4.044001
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3
Optimization of multilayer coatings for future high-energy focusing telescopes
Autor: Nis Christian . Gellert, Sonny Massahi, Desiree D. M. Ferreira, Finn E. Christensen, Sara Svendsen, Arne S. Jegers, Kristin Madsen
Publikováno v: Gellert, N C, Massahi, S, Ferreira, D D M, Christensen, F E, Svendsen, S, 'S Jegers, A & Madsen, K K 2022, Optimization of multilayer coatings for future high-energy focusing telescopes . in J-W A. den Herder, S Nikzad & K Nakazawa (eds), Proceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray . vol. 12181, 121814K, SPIE-The International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Montréal, Quebec, Canada, 17/07/2022 . https://doi.org/10.1117/12.2629366
Nanometer-thin multilayer coatings can enable high performance of focusing X-ray telescopes to energies up to 200 keV and beyond. In this paper we discuss the multilayer parameters and their limitations necessary for the reflection of hard X-ray phot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ef775de7a908fa1d345ce1d162205ffc
https://doi.org/10.1117/12.2629366
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4
Characterisation of iridium and low-density bilayer coatings for the Athena optics
Autor: Sara Svendsen, Sonny Massahi, Desiree D. M. Ferreira, Nis C. Gellert, Arne 'S Jegers, Finn E. Christensen, Aniket Thete, Boris Landgraf, Maximilien J. Collon, Evelyn Handick, Dieter Skroblin, Levent Cibik, Christian Gollwitzer, Michael Krumrey, Ivo Ferreira, Brian Shortt, Marcos Bavdaz
Publikováno v: Svendsen, S, Massahi, S, Ferreira, D D, Gellert, N C, 'S Jegers, A, Christensen, F E, Thete, A, Landgraf, B, Collon, M, Handick, E, Skroblin, D, Cibik, L, Gollwitzer, C, Krumrey, M, Ferreira, I, Shortt, B & Bavdaz, M 2022, Characterisation of iridium and low-density bilayer coatings for the Athena optics . in J-W A den Herder, S Nikzad & K Nakazawa (eds), Proceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray ., 121810Z, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Montréal, Quebec, Canada, 17/07/2022 . https://doi.org/10.1117/12.2629976
The future Athena observatory will feature optics with unprecedented collecting area enabled by silicon pore optics technology. In order to achieve the telescope effective area requirements at 1 keV and 7 keV, thin film coatings of iridium with a low
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7beac76a2788eb8ee096c3b69ba17051
https://doi.org/10.1117/12.2629976
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5
The development of the mirror for the Athena X-ray mission
Autor: Maximilien J. Collon, Luis Abalo, Nicolas M. Barrière, Alex Bayerle, Luigi Castiglione, Noë Eenkhoorn, David Girou, Ramses Günther, Enrico Hauser, Roy van der Hoeven, Jasper den Hollander, Yvette Jenkins, Boris Landgraf, Laurens Keek, Ben Okma, Paulo da Silva Ribeiro, Chris Rizzos, Aniket Thete, Giuseppe Vacanti, Sjoerd Verhoeckx, Mark Vervest, Roel Visser, Luc Voruz, Marcos Bavdaz, Eric Wille, Ivo Ferreira, Mark Olde Riekerink, Jeroen Haneveld, Arenda Koelewijn, Maurice Wijnperle, Jan-Joost Lankwarden, Bart Schurink, Ronald Start, Coen van Baren, Jan-Willem A. den Herder, Evelyn Handick, Michael Krumrey, Vadim Burwitz, Sonny Massahi, Desiree D. M. Ferreira, Sara Svendsen, Finn E. Christensen, William Mundon, Gavin Phillips
Publikováno v: Collon, M J, Abalo, L, Barrière, N M, Bayerle, A, Castiglione, L, Eenkhoorn, N, Girou, D, Günther, R, Hauser, E, Van Der Hoeven, R, Den Hollander, J, Jenkins, Y, Landgraf, B, Keek, L, Okma, B, Da Silva Ribeiro, P, Rizzos, C, Thete, A, Vacanti, G, Verhoeckx, S, Vervest, M, Visser, R, Voruz, L, Bavdaz, M, Wille, E, Ferreira, I, Olde Riekerink, M, Haneveld, J, Koelewijn, A, Wijnperle, M, Lankwarden, J J, Schurink, B, Start, R, Van Baren, C, Den Herder, J W, Handick, E, Krumrey, M, Burwitz, V, Massahi, S, Ferreira, D D M, Svendsen, S, Christensen, F E, Mundon, W & Phillips, G 2022, The development of the mirror for the Athena x-ray mission . in J-W A den Herder, S Nikzad & K Nakazawa (eds), Proceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray . vol. 12181, 121810U, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Montréal, Quebec, Canada, 17/07/2022 . https://doi.org/10.1117/12.2630775
Athena is the European Space Agency's next flagship x-ray telescope, scheduled for launch in the 2030s. Its 2.5-m diameter mirror will be segmented and comprise more than 600 individual Silicon Pore Optics (SPO) grazing-incidence-angle imagers, calle
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a9f921aad06971dd2b89a67a0204ddf
https://doi.org/10.1117/12.2630775
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6
ATHENA optics technology development
Autor: Marcos Bavdaz, Eric Wille, Mark R. Ayre, Ivo Ferreira, Brian Shortt, Sebastiaan Fransen, Mark Millinger, Maximilien J. Collon, Giuseppe Vacanti, Nicolas M. Barrière, Boris Landgraf, Mark Olde Riekerink, Jeroen Haneveld, Ronald Start, Coen van Baren, Desiree Della Monica Ferreira, Sonny Massahi, Sara Svendsen, Finn E. Christensen, Michael Krumrey, Evelyn Handick, Vadim Burwitz, Giovanni Pareschi, Bianca Salmaso, Alberto Moretti, Daniele Spiga, Giuseppe Valsecchi, Dervis Vernani, Paul Lupton, William Mundon, Gavin Phillips, Jakob Schneider, Tapio Korhonen, Alejandro Sanchez, Dominique Heinis, Carles Colldelram, Massimiliano Tordi, Simone De Lorenzi, Richard Willingale
Publikováno v: Bavdaz, M, Wille, E, Ayre, M, Ferreira, I, Shortt, B, Fransen, S, Millinger, M, Collon, M J, Vacanti, G, Barrière, N M, Landgraf, B, Olde Riekerink, M, Haneveld, J, Start, R, Van Baren, C, Della Monica Ferreira, D, Massahi, S, Svendsen, S, Christensen, F, Krumrey, M, Handick, E, Burwitz, V, Pareschi, G, Salmaso, B, Moretti, A, Spiga, D, Valsecchi, G, Vernani, D, Lupton, P, Mundon, W, Phillips, G, Schneider, J, Korhonen, T, Sanchez, A, Heinis, D, Colldelram, C, Tordi, M, De Lorenzi, S & Willingale, R 2022, ATHENA optics technology development . in J-W A den Herder, S Nikzad & K Nakazawa (eds), Proceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray . vol. 12181, 121810T, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 12181, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Montréal, Quebec, Canada, 17/07/2022 . https://doi.org/10.1117/12.2629894
The next generation x-ray observatory ATHENA (advanced telescope for high energy astrophysics) requires an optics with unprecedented performance. It is the combination of low mass, large effective area and good angular resolution that is the challeng
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::818d66e2bcc9a69aa6ec416165686ad8
https://orbit.dtu.dk/en/publications/b885c2d6-8d62-4813-96b0-0799ce114d8f
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7
Coating process parameter influence on thin films for the ATHENA x-ray optics
Autor: Sonny Massahi, Desiree D. M. Ferreira, Finn Christensen, Sara Svendsen, Nis C. Gellert, Arne 'S Jegers, Maximilien J. Collon, Boris Landgraf, Aniket Thete, Ivo Ferreira, Marcos Bavdaz, Brian Shortt, Waldemar Schönberger, Axel Langer, Michael Krumrey, Christian Gollwitzer, Evelyn Handick
Publikováno v: Massahi, S, Ferreira, D D M, Christensen, F E, Svendsen, S, Gellert, N, 'S Jegers, A, Collon, M, Landgraf, B, Thete, A, Ferreira, I, Bavdaz, M, Shortt, B, Schönberger, W, Langer, A, Krumrey, M, Gollwitzer, C & Handick, E 2022, Coating process parameter influence on thin films for the ATHENA x-ray optics . in J-W A. den Herder, S Nikzad & K Nakazawa (eds), Proceedings of SPIE : Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray . vol. 12181, 121814F, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray, Montréal, Quebec, Canada, 17/07/2022 . https://doi.org/10.1117/12.2630726
The thin film deposition technology for fabrication of the mirror optics for the Advanced Telescope for HighEnergy Astrophysics (ATHENA) has been established. Numerous coating process parameters impact the quality of the thin films. Defining a margin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dedcd283c03604c949277d87c5985751
https://orbit.dtu.dk/en/publications/aed0a161-aa5d-4b18-bcb7-fc2b5f57afe7
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8
Impact of annealing on performance of X-ray mirror coatings for Athena
Autor: Sonny Massahi, Michael Krumrey, Boris Landgraf, L. Cibik, Arne S. Jegers, Sara Svendsen, Ivo Ferreira, Aniket Thete, Brian Shortt, Marcos Bavdaz, Desiree Della Monica Ferreira, Christian Gollwitzer, Evelyn Handick, Nis C. Gellert, Maximilien J. Collon, Finn Erland Christensen, Peter Lindquist Henriksen
Publikováno v: Henriksen, P L, Ferreira, D D M, Massahi, S, Svendsen, S, Gellert, N, Christensen, F E, Jegers, A S, Landgraf, B, Thete, A, Collon, M, Handick, E, Cibik, L, Krumrey, M, Gollwitzer, C, Ferreira, I, Shortt, B & Bavdaz, M 2021, Impact of annealing on performance of X-ray mirror coatings for Athena . in S L O'Dell, J A Gaskin & G Pareschi (eds), Proceedings of SPIE : Optics for EUV, X-Ray, and Gamma-Ray Astronomy X ., 118220D, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 11822, SPIE Optical Engineering + Applications 2021, San Diego, California, United States, 01/08/2021 . https://doi.org/10.1117/12.2594559
As part of the manufacturing process of mirror modules for the Athena X-ray telescope, Silicon Pore Optics plates are assembled into mirror module stacks. The plates that form each stack are held together by direct bonding, relying on van der Waals f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f4cf23a6ce4011655f7d1bb502454672
https://doi.org/10.1117/12.2594559
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9
The Athena x-ray optics development and accommodation
Autor: Maximilien J. Collon, Mark Millinger, Geeta Kailla, Dominique Heinis, Sonny Massahi, Dervis Vernani, Giovanni Pareschi, Eric Wille, Mark Olde Riekerink, Brian Shortt, Massimiliano Tordi, Sara Svendsen, Ivo Ferreira, Finn Erland Christensen, Coen van Baren, Sebastiaan Fransen, Giuseppe Valsecchi, Giuseppe Vacanti, Richard Willingale, Mark Ayre, Vadim Burwitz, Ronald Start, Michael Krumrey, Jakob Schneider, Boris Landgraf, M. Barrière, Jeroen Haneveld, Tapio Korhonen, Miranda Bradshaw, William Mundon, Gavin Phillips, Marcos Bavdaz, Desiree Della Monica Ferreira, Evelyn Handick, Alejandro Sanchez
Publikováno v: Dipòsit Digital de Documents de la UAB
Universitat Autònoma de Barcelona
Bavdaz, M, Wille, E, Ayre, M, Ferreira, I, Shortt, B, Fransen, S, Millinger, M, Collon, M J, Vacanti, G, Barrière, N M, Landgraf, B, Riekerink, M O, Haneveld, J, Start, R, van Baren, C, Monica Ferreira, D D, Massahi, S, Svendsen, S, Christensen, F, Krumrey, M, Handick, E, Burwitz, V, Bradshaw, M, Pareschi, G, Valsecchi, G, Vernani, D, Kailla, G, Mundon, W, Phillips, G, Schneider, J, Korhonen, T, Sanchez, A, Heinis, D, Tordi, M & Willingale, R 2021, The Athena x-ray optics development and accommodation . in S L O'Dell, J A Gaskin & G Pareschi (eds), Proceedings of SPIE : International Conference on Space Optics — ICSO 2020 ., 1185220, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, 2020 International Conference on Space Optics, Virtual, Online, 30/03/2021 . https://doi.org/10.1117/12.2599341
The Athena mission, under study and preparation by ESA as its second Large-class science mission, requires the largest X-ray optics ever flown, building on a novel optics technology based on mono crystalline silicon. Referred to as Silicon Pore Optic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::231a6c41ce84bdd57e45bbc0b76a9538
https://doi.org/10.1117/12.2599341
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10
Effect of mirror curvature on the angular resolution of silicon pore optics
Autor: Erik Knudsen, Nis C. Gellert, Marcos Bavdaz, Peter L. Henriksen, Desiree Della Monica Ferreira, Sonny Massahi, Giorgia Sironi, A. S. Jegers, Sara Svendsen, Brian Shortt, Daniele Spiga, Ivo Ferreira
Publikováno v: Jegers, A S, Ferreira, D D M, Bergbäck Knudsen, E, Massahi, S, Svendsen, S, Lindquist Henriksen, P, Gellert, N C, Sironi, G, Spiga, D, Ferreira, I, Shortt, B & Bavdaz, M 2021, Effect of mirror curvature on the angular resolution of silicon pore optics . in S L O'Dell, J A Gaskin & G Pareschi (eds), Proceedings of SPIE : Optics for EUV, X-Ray, and Gamma-Ray Astronomy X ., 118220F, SPIE-International Society for Optical Engineering, Proceedings of SPIE-The International Society for Optical Engineering, vol. 11822, SPIE Optical Engineering + Applications 2021, San Diego, California, United States, 01/08/2021 . https://doi.org/10.1117/12.2594530
Silicon Pore Optics are a novel technology for focusing high-energy photons, where pairs of mirror plates stacked into mirror modules. This paper presents a study of the angular resolution of SPO mirror assemblies, using a selection of sagittal mirro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53808a58b3f6a18e539f0e1e7ceda8c9
https://orbit.dtu.dk/en/publications/64a20d15-faac-4245-99f7-cac5c901a162
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