Finn Erland Christensen

Finn Erland Christensen

Seniorforsker

DTU SPACE
Institut for Rumforskning og Rumteknologi

Astrofysik og atmosfærefysik

Danmarks Tekniske Universitet

Elektrovej

Bygning 328, rum 230

2800 Kgs. Lyngby

Tlf.
Fax 45 25 95 75
E-mail finn@space.dtu.dk
ORCID 0000-0001-5679-1946

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2019
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Development and manufacturing of SPO X-ray mirrors

Landgraf, Boris ; Collon, Maximilien J. ; Vacanti, Giuseppe ; Barriére, Nicolas M. ; Günther, Ramses ; Vervest, Mark ; Voruz, Luc ; Verhoeckx, Sjoerd ; Babic, Ljubisa ; Keek, Laurens ; Girou, David ; Okma, Ben ; Beijersbergen, Marco W. ; Bavdaz, Marcos ; Wille, Eric ; Fransen, Sebastiaan ; Shortt, Brian ; Ferreira, Ivo ; Haneveld, Jeroen ; Koelewijn, Arenda ; Start, Ronald ; Wijnperlé, Maurice ; Lankwarden, Jan-Joost ; van Baren, Coen ; Hieltjes, Paul ; den Herder, Jan Willem ; Burwitz, Vadim ; Pareschi, Giovanni ; Massahi, Sonny ; Della Monica Ferreira, Desiree ; Christensen, Finn Erland ; Valsecchi, Giuseppe ; Oliver, Paul ; Chequer, Ian ; Ball, Kevin
part of: Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2530941

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Improved search for solar chameleons with a GridPix detector at CAST

Anastassopoulos, V. ; Aune, S. ; Barth, K. ; Belov, A. ; Braueninger, H. ; Cantatore, G. ; Carmona, J. M. ; Castel, J. F. ; Cetin, S. A. ; Christensen, F. ; Dafni, T. ; Davenport, M. ; Dermenev, A. ; Desch, K. ; Doebrich, B. ; Eleftheriadis, C. ; Fanourakis, G. ; Ferrer-Ribas, E. ; Fischer, Hanne Lis ; Funk, W. ; Garcia, J. A. ; Gardikiotis, A. ; Garza, J. G. ; Gazis, E. N. ; Geralis, T. ; Giomataris, I ; Gninenko, S. ; Hailey, C. J. ; Hasinoff, M. D. ; Hoffmann, D. H. H. ; Iguaz, F. J. ; Irastorza, I. G. ; Jakobsen, A. ; Jacoby, J. ; Jakovcic, K. ; Kaminski, J. ; Karuza, M. ; Kostoglou, S. ; Kralj, N. ; Krcmar, M. ; Krieger, C. ; Lakic, B. ; Laurent, J. M. ; Liolios, A. ; Ljubicic, A. ; Luzon, G. ; Maroudas, M. ; Miceli, L. ; Schmidt, S. ; Vogel, J. K. ; Vretenar, M. ; Wuensch, W. ; Yildiz, S. C. ; Zioutasa, K. ; Braxab, P.
in: Journal of Cosmology and Astroparticle Physics, vol: 2019, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1088/1475-7516/2019/01/032

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Installation and commissioning of the silicon pore optics coating facility for the ATHENA mission

Massahi, S. ; Christensen, F. E. ; Ferreira, D. D. MDella Monica F ; Jafari, A. ; Svendsen, S. ; Henriksen, P. L. ; Shortt, B. ; Ferreira, I. ; Bavdaz, M. ; Collon, M. ; Landgraf, B. ; Girou, D.A. ; Langer, A. ; Schönberger, W. ; Wellner, T. ; Krumrey, M. ; Cibik, L.
part of: Proceedings of SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2528351

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LEXR: A low-energy X-ray reflectometer for characterization of ATHENA mirror coatings

Henriksen, P. L. ; Christensen, F. E. ; Massahi, S. ; Ferreira, D. D. M. ; Svendsen, S. ; Jafari, A. ; Shortt, B.
part of: Proceedings of SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2528144

 

Optical constants of magnetron sputtered Pt thin films with improved accuracy in the N- and O-electronic shell absorption regions

Soufli, Regina ; Delmotte, Franck ; Meyer-Ilse, Julia ; Salmassi, Farhad ; Brejnholt, Nicolai ; Massahi, Sonny ; Girou, David ; Christensen, Finn ; Gullikson, Eric M.
in: Journal of Applied Physics, vol: 125, issue: 8

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1063/1.5067366

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Optics developments for ATHENA

Bavdaz, Marcos ; Wille, Eric ; Ayre, Mark ; Ferreira, Ivo ; Shortt, Brian ; Fransen, Sebastiaan ; Collon, Maximilien J. ; Vacanti, Giuseppe ; Barrière, Nicolas ; Landgraf, Boris ; Start, Ronald ; van Baren, Coen ; Della Monica Ferreira, Desiree ; Massahi, Sonny ; Christensen, Finn ; Krumrey, Michael ; Burwitz, Vadim ; Pareschi, Giovanni ; Valsecchi, Giuseppe ; Oliver, Paul ; Seidel, André ; Korhonen, Tapio
part of: Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2530912

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Performance and time stability of Ir/SiC X-ray mirror coatings for ATHENA

Svendsen, S. ; Massahi, S. ; Ferreira, D. D. M. ; Christensen, F. E. ; Jafari, A. ; Henriksen, P. L. ; Collon, M. ; Landgraf, B. ; Girou, D. ; Krumrey, M. ; Cibik, L. ; Schubert, A. ; Handick, E. ; Shortt, B.
part of: Proceedings of SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, pages: 107 - 116, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2528664

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Status of the silicon pore optics technology

Collon, Maximilien J. ; Vacanti, Giuseppe ; Barriere, Nicolas M. ; Landgraf, Boris ; Günther, Ramses ; Vervest, Mark ; Voruz, Luc ; Verhoeckx, Sjoerd ; Babić, Ljubiša ; Keek, Laurens ; Girou, David Alain ; Okma, Ben ; Hauser, Enrico ; Beijersbergen, Marco W. ; Bavdaz, Marcos ; Wille, Eric ; Fransen, Sebastiaan ; Shortt, Brian ; Ferreira, Ivo ; Haneveld, Jeroen ; Koelewijn, Arenda ; Start, Ronald ; Wijnperle, Maurice ; Lankwarden, Jan-Joost ; van Baren, Coen ; Hieltjes, Paul ; den Herder, Jan Willem ; Müller, Peter ; Handick, Evelyn ; Krumrey, Michael ; Bradshaw, Miranda ; Burwitz, Vadim ; Pareschi, Giovanni ; Massahi, Sonny ; Svendsen, Sara ; Della Monica Ferreira, Desiree ; Christensen, Finn Erland ; Valsecchi, Giuseppe ; Oliver, Paul ; Chequer, Ian ; Ball, Kevin
part of: Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, pages: 111190L-1-11190L-8, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2530696

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X-ray reflectometry of a platinum coating as reference sample for the ATHENA coating development

Jafari, A. ; Christensen, F. E. ; Massahi, S. ; Svendsen, S. ; Vu, L. M. ; Henriksen, P. L. ; Shortt, B. ; Krumrey, M. ; Cibik, L. ; Handick, E. ; Ferreira, D. D. M.
part of: Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, pages: 111191K-111191K-7, 2019, SPIE - International Society for Optical Engineering
Presented at:
2019 SPIE Optical Engineering + Applications

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2019     |    DOI: https://doi.org/10.1117/12.2527557

2018
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A deep X-ray view of the bare AGN Ark120. IV. XMM-Newton and NuSTAR spectra dominated by two temperature (warm, hot) Comptonization processes.

Porquet, D. ; Reeves, J. N. ; Matt, G. ; Marinucci, A. ; Nardini, E. ; Braito, V. ; Lobban, A. ; Ballantyne, D. R. ; Boggs, S. E. ; Christensen, Finn Erland ; Dauser, T. ; Farrah, D. ; Garcia, J. ; Hailey, C. J. ; Harrison, F. ; Stern, D. ; Tortosa, A. ; Ursini, F. ; Zhang, W. W.
in: Astronomy & Astrophysics, vol: 609

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1051/0004-6361/201731290