Finn Erland Christensen

Finn Erland Christensen

Seniorforsker Emeritus

DTU SPACE
Institut for Rumforskning og Rumteknologi

Astrofysik og atmosfærefysik

Danmarks Tekniske Universitet

Elektrovej

Bygning 328, rum 210

2800 Kgs. Lyngby

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

Få tilsendt vCard på e-mail.

Publikationer
Projekter
Aktiviteter
Kurser
DTU nyheder
Loading

Publikationer rss feed

2020
  PDF

Long-term performance and durability of Ir/B4C multilayer x-ray mirrors: focusing on composition, structure, and reflectivity properties

Jafari, Atefeh ; Ferreira, Desiree D. M. ; Kadkhodazadeh, Shima ; Kasama, Takeshi ; Massahi, Sonny ; Svendsen, Sara ; Vu, Lan M. ; Henriksen, Peter L. ; Balogh, Zoltàn M. ; Krumrey, Michael ; Cibik, Levent ; Christensen, Finn E. ; Shortt, Brian
in: Journal of Astronomical Telescopes, Instruments, and Systems, vol: 6, issue: 3

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2020     |    DOI: https://doi.org/10.1117/1.JATIS.6.3.034005

 

Plasma etching for the compatibility of thin film metallic coatings and direct bonding of silicon pore optics

Girou, D. ; Massahi, S. ; Ferreira, D. D. M. ; Christensen, F. E. ; Landgraf, B. ; Shortt, B. ; Collon, M. ; Beijersbergen, M.
in: Journal of Applied Physics, vol: 128, issue: 9

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2020     |    DOI: https://doi.org/10.1063/5.0010212

2019
  PDF

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
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

  PDF

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

  PDF

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
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

  PDF

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
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

  PDF

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

  PDF

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
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

  PDF

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
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

  PDF

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
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