@inproceedings{SchreiberKaetkerBuschetal.2023, author = {Schreiber, Kai and K{\"a}tker, Anna and Busch, Uwe and Stanik, Eva and D{\"o}hring, Thorsten}, title = {A guided tour of the Deutsches R{\"o}ntgen-Museum: displaying X-ray history}, series = {SPIE Proceedings}, volume = {2023}, booktitle = {SPIE Proceedings}, number = {12576}, publisher = {SPIE}, organization = {TH Aschaffenburg}, doi = {doi: 10.1117/12.2665419}, pages = {125760A-1 -- 125760A-9}, year = {2023}, abstract = {In 1895, Professor Wilhelm Conrad R{\"o}ntgen detected a new type of radiation that was able to penetrate solid materials, which he called X-rays. In 1901 R{\"o}ntgen received the first Nobel Prize in physics in honour of this ground breaking discovery. The Deutsches R{\"o}ntgen-Museum (DRM) in Remscheid (Germany) is the institution that uniquely and comprehensively explores and documents the life and work of W. C. R{\"o}ntgen and the impact of his discovery. The DRM's location in Remscheid is not coincidental, with R{\"o}ntgen's birthplace only a short walk away from the exhibits. Every visit to the museum amounts to a unique expedition through the worlds of medicine, science and technology. The museum's emphasis on the diversity of R{\"o}ntgen's invention by a multilingual, multi-medial approach enables all visitors to make their own personal discoveries. The Deutsches R{\"o}ntgen-Museum in Remscheid is a must-see for X-ray scientists from anywhere in the world. This contribution provides an insight into the history of X-rays and offers a guided tour of the Deutsches R{\"o}ntgen-Museum and its exhibits.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {en} } @inproceedings{StanikDoehringSchreiberetal.2023, author = {Stanik, Eva and D{\"o}hring, Thorsten and Schreiber, Kai and K{\"a}tker, Anna and Busch, Uwe}, title = {The R{\"o}ntgen Medal: honouring X-ray excellence}, series = {SPIE Proceedings}, volume = {2023}, booktitle = {SPIE Proceedings}, number = {12576}, publisher = {SPIE}, organization = {TH Aschaffenburg}, doi = {doi: 10.1117/12.2665424}, pages = {1257608-1 -- 1257608-8}, year = {2023}, abstract = {Starting in 1951, the 50th anniversary of the award of the first Nobel Prize for physics to Wilhelm Conrad R{\"o}ntgen, the Lord Mayor of the German City of Remscheid has given out R{\"o}ntgen Medals. The R{\"o}ntgen Medal annually honours scientists who "in the broadest sense have made a special contribution to the progress and dissemination of X-ray discoveries in the theoretical and applied sciences". The R{\"o}ntgen Medal has become highly recognized in the scientific world. To date, more than one hundred excellent scientists have received the honour. Through their chronology, this contribution presents a "Who's Who" of X-ray science and provides selected insights into their scientific work; with the fields of X-ray optics and X-ray astronomy receiving special focus.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {en} } @inproceedings{PomahacHudecDoehring2023, author = {Pomahac, Vit and Hudec, Rene and D{\"o}hring, Thorsten}, title = {CubeSat tandem flight for asteroid surveillance}, series = {SPIE Proceedings}, volume = {2023}, booktitle = {SPIE Proceedings}, number = {12576}, publisher = {SPIE}, organization = {CVUT Prague}, doi = {doi: 10.1117/12.2672396}, pages = {125760H-1 -- 125760H-5}, year = {2023}, abstract = {Conventional mining might not be sufficient to support the growth of humankind which is heavily dependent upon rare materials in technical applications. Asteroid mining might be an answer, with Near-Earth objects (NEOs) being the first targets. However, the first step in the asteroid mining cascade is to probe reachable asteroids. Moreover, to identify the best candidates for further activities hundreds to thousands of asteroids must be screened. The fast progressing development of CubeSats might allow the space community to do the initial in-situ screening in a minimalistical and economical manner. Additionally, formation flying might enable the miniaturization of optical payloads for asteroid composition analysis in CubeSats. The recent developments in formation flying are summarised in this study and the possibility of utilizing formation flying CubeSats for asteroid surveillance explored.}, subject = {Planetoid}, language = {en} } @misc{StanikDoehringSchreiberetal.2022, author = {Stanik, Eva and D{\"o}hring, Thorsten and Schreiber, Kai and K{\"a}tker, Anna and Busch, Uwe}, title = {X-ray honour gallery - award winners of the R{\"o}ntgen Medal}, organization = {TH Aschaffenburg}, pages = {1}, year = {2022}, abstract = {Starting in 1951, on the 50th anniversary of the award of the first Nobel Prize for physics to Wilhelm Conrad R{\"o}ntgen, the Lord Mayor of the German city of Remscheid has annually awarded R{\"o}ntgen Medals to scientists who "in the broadest sense have made a special contribution to the progress and dissemination of X-ray discoveries in the theoretical and applied sciences". The R{\"o}ntgen Medal has become highly recognized in the scientific world. To date, more than one hundred scientists have received this honour. Through their chronology, this contribution presents a "Who's Who" of X-ray science and provides selected insights into their scientific work; with special focus on the fields of X-ray optics and X-ray astronomy.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {en} } @misc{BuschKaetkerSchreiberetal.2023, author = {Busch, Uwe and K{\"a}tker, Anna and Schreiber, Kai and Stanik, Eva and D{\"o}hring, Thorsten}, title = {Hommage auf einen bedeutenden Wissenschaftler - das Deutsche R{\"o}ntgen-Museum}, series = {DGaO Jahrestagung}, volume = {2023}, journal = {DGaO Jahrestagung}, publisher = {DGaO}, organization = {Technische Hochschule Aschaffenburg}, pages = {1 -- 1}, year = {2023}, abstract = {In diesem Jahr j{\"a}hrte sich der Todestag von Wilhelm Conrad R{\"o}ntgen, gestorben am 10. Februar 1923, zum hundertsten Mal. Dieser Beitrag ist eine Hommage auf diesen bedeutenden deutschen Wissenschaftler. 1895 entdeckte er eine neue Art von Strahlung, welche in der Lage ist, feste Materialien zu durchdringen. 1901 erhielt Professor R{\"o}ntgen f{\"u}r diese bahnbrechende Entdeckung den ersten Nobelpreis f{\"u}r Physik. Das Deutsche R{\"o}ntgen-Museum (DRM) erforscht und dokumentiert das Leben und Werk von W. C. R{\"o}ntgen und die Auswirkungen seiner Entdeckung auf eine einzigartige und umfassende Weise. Der Standort des DRM in Remscheid ist kein Zufall, denn R{\"o}ntgens Geburtshaus liegt nur wenige Gehminuten von den Exponaten entfernt. Die Betonung der Vielfalt von R{\"o}ntgens Erfindung durch das Museum mit einer multimedialen Herangehensweise erm{\"o}glicht es den Besuchern, hier ihre ganz pers{\"o}nlichen Entdeckungen zu machen. Jeder Museumsbesuch wird so zu einer einzigartigen Entdeckungsreise durch die Welt der Medizin, Wissenschaft und Technik. Dieser Beitrag w{\"u}rdigt das Lebenswerk von Professor Wilhelm Conrad R{\"o}ntgen und gibt einen Einblick in die Geschichte der R{\"o}ntgenstrahlen und ihre Anwendungsgebiete.}, subject = {Deutsches R{\"o}ntgen-Museum}, language = {de} } @misc{KaetkerSchreiberBuschetal.2023, author = {K{\"a}tker, Anna and Schreiber, Kai and Busch, Uwe and Stanik, Eva and D{\"o}hring, Thorsten}, title = {Unsichtbares erkunden - Experimente im Museumslabor des Deutschen R{\"o}ntgen-Museums}, series = {DGaO Jahrestagung}, volume = {2023}, journal = {DGaO Jahrestagung}, publisher = {DGaO}, organization = {Technische Hochschule Aschaffenburg}, pages = {1 -- 1}, year = {2023}, abstract = {„Freude habe ich nur, solange ich es mit dem Experimentieren zu tun habe", schrieb Wilhelm Conrad R{\"o}ntgen am 9.6.1920 an Margret Boveri. Das Deutsche R{\"o}ntgen-Museum und das Remscheider R{\"o}ntgengymnasium geben getreu diesem Motto Kindern und Jugendlichen die M{\"o}glichkeit, selbst aktiv zu werden, zu experimentieren und so auf den Spuren dieses bedeutenden Forschers zu wandeln. Hierzu wurde am 8. November 2011, einem Jahrestag der Entdeckung der R{\"o}ntgenstrahlen, das Museumslabor R{\"o}Lab gegr{\"u}ndet. Dort werden Themenbr{\"u}cken in das t{\"a}gliche Leben geschlagen und so Lernprozesse im MINT-Bereich f{\"u}r die jungen Forschenden anregend, attraktiv und nachhaltig erlebbar. Das R{\"o}Lab versteht sich als ein {\"u}berregionales, außerschulisches Bildungsangebot, das Begeisterung f{\"u}r Natur- und Ingenieurwissenschaften, Medizin und Medizintechnik an unterschiedliche Zielgruppen vermittelt und damit einen Beitrag zur Allgemeinbildung und MINT-F{\"o}rderung leistet. Das didaktische Konzept nimmt den „Hands-on-Science" Gedanken stringent auf, weckt den Forschergeist und erm{\"o}glicht es den Lernenden, Unsichtbares zu erkunden. Dieser Beitrag stellt das Museumslabor R{\"o}Lab des Deutschen R{\"o}ntgen-Museums vor.}, subject = {Deutsches R{\"o}ntgen-Museum}, language = {de} } @misc{SchreiberKaetkerBuschetal.2022, author = {Schreiber, Kai and K{\"a}tker, Anna and Busch, Uwe and Stanik, Eva and D{\"o}hring, Thorsten}, title = {Insights into the history of X-rays: the Deutsches R{\"o}ntgen-Museum in Remscheid}, organization = {Deutsches R{\"o}ntgen-Museum}, pages = {1}, year = {2022}, abstract = {In 1895, Professor Wilhelm Conrad R{\"o}ntgen detected a new kind of radiation that was able to penetrate solid materials, which he called x-rays. In 1901 R{\"o}ntgen received the first Nobel Prize in physics in honour of this ground breaking discovery. The Deutsches R{\"o}ntgen-Museum in Remscheid in Germany is the institution that uniquely and comprehensively explores and documents the life and work of W. C. R{\"o}ntgen and the impact of his discovery. The museum's location in Remscheid is not coincidental, with R{\"o}ntgen's birthplace only a short walk away from its exhibits. Every visit to the museum amounts to a unique expedition through the worlds of medicine, science, and technology. The museum's emphasis on the diversity of R{\"o}ntgen's invention by a multilingual, multi-medial approach enables all visitors to make their own personal discoveries. The Deutsches R{\"o}ntgen-Museum in Remscheid is a mustsee for x-ray scientists from anywhere in the world. This contribution provides an insight into the history of x-rays and offers a guided tour of the Deutsches R{\"o}ntgen-Museum and its exhibits.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {en} } @misc{HudecPomahacDoehringetal.2023, author = {Hudec, Ren{\´e} and Pomahac, Vit and D{\"o}hring, Thorsten and Stanik, Eva and Klaus, Schilling}, title = {Space Telescopes based on Satellite Tandem Flights}, series = {DGaO Jahrstagung}, volume = {2023}, journal = {DGaO Jahrstagung}, publisher = {DGaO}, organization = {Technische Hochschule Aschaffenburg}, pages = {1 -- 1}, year = {2023}, abstract = {Due to the recent progress in satellite control engineering, tandem flight arrangements of mini-satellites are currently in discussion and under consideration for future space missions. CubeSat technologies offer an interesting possibility for space-born telescope payloads based on this approach. In such a scenario, two small satellites will fly at a constant distance of a few meters up to 100 meters. Thereby, the front satellite will carry the telescope optics and the second satellite the detector system. Related formation flight requirements were addressed in the NetSat-Mission, composed of four 3U-CubeSats, launched 2020. Space technology challenges concern in particular orbit control by an appropriate propulsion system as well as precision attitude pointing towards the joint target, and could be transferred from the NetSat-mission to the proposed Tandem Mission. This will allow space-based telescopes with a long focal length even placed on board of small or miniature CubeSat-type satellites. Cost effective Kirkpatrick-Baez type X-ray telescopes represent an important application here as they have longer focal lengths compared to previous astronomical observatories using Wolter I type X-ray mirrors.}, subject = {R{\"o}ntgenteleskop}, language = {en} } @inproceedings{DoehringZeisingStieglitzetal.2022, author = {D{\"o}hring, Thorsten and Zeising, Sebastian and Stieglitz, Veronika and Burwitz, Vadim and Rukdee, Surangkhana and Friedrich, Peter and Jelinek, Martin and Hudec, Rene}, title = {R{\"o}ntgenteleskop-Funktionstests durch Beobachtung astronomischer Objekte am sichtbaren Nachthimmel}, series = {DGaO Proceedings}, volume = {2022}, booktitle = {DGaO Proceedings}, publisher = {DGaO}, organization = {TH Aschaffenburg}, issn = {1614-8436}, pages = {1 -- 2}, year = {2022}, abstract = {Lobster-Eye-R{\"o}ntgenteleskope nutzen reflektierende Planspiegel unter streifendem Einfall und zeichnen sich durch ein großes Beobachtungsfeld aus. Die Spiegel reflektieren auch sichtbare Strahlung hervorragend. Nach R{\"o}ntgen-messungen im Labor wurden nun weitere Tests durchgef{\"u}hrt, um die Abbildungs-eigenschaften mit realen Objekten des sichtbaren Himmels zu untersuchen.}, subject = {R{\"o}ntgenteleskop}, language = {de} } @inproceedings{DoehringStollenwerkSchmittetal.2022, author = {D{\"o}hring, Thorsten and Stollenwerk, Manfred and Schmitt, Paul and Szeghalmi, Andrea}, title = {Umweltbest{\"a}ndige Spiegelbeschichtungen aus Iridium f{\"u}r den infraroten Spektralbereich}, series = {DGaO Proceedings}, volume = {2022}, booktitle = {DGaO Proceedings}, number = {123}, publisher = {DGaO}, organization = {TH Aschaffenburg}, issn = {1614-8436}, pages = {1 -- 2}, year = {2022}, abstract = {Das Edelmetall Iridium ist hart; extrem dicht; thermisch, mechanisch und chemisch stabil; weist eine hohe Reflektivit{\"a}t im mittleren und fernen Infrarot auf und hat eine hohe Best{\"a}ndigkeit gegen{\"u}ber Umwelteinfl{\"u}ssen - auch ohne weitere Schutzschichten. Es wurden die komplexen Brechungsindizes f{\"u}r Iridium-Spiegelbeschichtungen bestimmt, welche vorhandene Literaturwerte erg{\"a}nzen.}, subject = {Iridium}, language = {de} } @inproceedings{HudecGilleGuimbelotetal.2022, author = {Hudec, Rene and Gille, Florian and Guimbelot, Elzear and Tichy, Vladimir and D{\"o}hring, Thorsten}, title = {Effective areas of astronomical X-ray optics for cubesats and rocket experiments}, series = {DGaO Proceedings}, volume = {2022}, booktitle = {DGaO Proceedings}, number = {123}, publisher = {DGaO}, organization = {Technische Universit{\"a}t Prag}, issn = {1614-8436}, pages = {1 -- 2}, year = {2022}, abstract = {The effective area is one of the main telescope parameters when justifying real space application. We discuss the estimation of the effective collecting area of an X-ray telescope by two different methods, an analytical method and a simulation algorithm, and then compare the results. The Lobster Eye type telescopes considered here are designed for rocket experiments and CubeSat flights.}, subject = {R{\"o}ntgenteleskop}, language = {en} } @inproceedings{RivoltaBassoCivitanietal.2022, author = {Rivolta, Giocomo and Basso, Stefano and Civitani, Marta and Cotroneo, Vincenzo and D{\"o}hring, Thorsten and Michler, Willy-Leopold and Pareschi, Giovanni and Spiga, Daniele and Stollenwerk, Manfred}, title = {Upgrade of a laboratory X-ray diffractometer to extend its operating range towards soft energies}, series = {Proceedings of SPIE}, volume = {2022}, booktitle = {Proceedings of SPIE}, number = {12181}, publisher = {SPIE}, organization = {Osservatorio Astronomico di Brera}, issn = {0277-786X}, doi = {doi: 10.1117/12.2629940}, pages = {121814S-1 -- 121814s-7}, year = {2022}, abstract = {The optical properties of X-ray mirror samples are commonly measured using diffractometers based on laboratory sources; like the Bede D1 diffractometer operating at INAF-OAB. This instrument can generate a collimated X-ray beam up to 60 keV, even though the most interesting energy region for x-ray astronomy applications is usually below 10 keV. In the softest part of this range (below 6 keV), high X-ray absorption in air hinders a full and precise characterization of optical components. In this work, we present an upgrade of the Bede D1 diffractometer that extends the operative range of the instrument below 6 keV; this is done by maximizing the flux at lowest energies and by reducing absorption by means of a helium-rich atmosphere. The upgraded instrument will be used for the tests of X-ray mirrors with innovative soft X-ray coatings, with potential application to the next generation X-ray telescopes (such as ATHENA and eXTP).}, subject = {R{\"o}ntgenspiegel}, language = {en} } @misc{DoehringStollenwerkSchmittetal.2022, author = {D{\"o}hring, Thorsten and Stollenwerk, Manfred and Schmitt, Paul and Szeghalmi, Adriana}, title = {Umweltbest{\"a}ndige Spiegelbeschichtungen aus Iridium f{\"u}r den infraroten Spektralbereich}, publisher = {DGaO}, organization = {TH Aschaffenburg}, pages = {1 -- 1}, year = {2022}, abstract = {Hochreflektierende Metallbeschichtungen sind essenziell f{\"u}r zahlreiche optische Elemente. Bew{\"a}hrte Spiegelbeschichtungen aus Silber und Gold bieten eine hohe und breitbandige Eigenreflexion im infraroten Spektralbereich, sind ohne geeignete Schutzschichten jedoch anf{\"a}llig gegen{\"u}ber Umwelteinfl{\"u}ssen und mechanischer Beanspruchung. Insbesondere im langwelligen Spektralbereich verringern die Absorptionsbanden dieser Schutzschichten teilweise die hohe Spiegelreflektivit{\"a}t wieder. Das Edelmetall Iridium (Ir) ist hart; extrem dicht; thermisch, mechanisch und chemisch stabil; weist eine {\"a}hnlich hohe Reflektivit{\"a}t im mittleren und fernen Infrarot, wie Silber und Gold, auf und hat zus{\"a}tzlich eine hohe Best{\"a}ndigkeit gegen{\"u}ber Umwelteinfl{\"u}ssen - auch ohne Schutzschichten. In diesem Beitrag werden die optischen und strukturellen Eigenschaften von Iridium-Spiegelbeschichtungen, welche mittels Atomlagenabscheidung (ALD) und DC-Magnetron-Sputtern hergestellt wurden, vorgestellt und miteinander verglichen. Die komplexen Brechungsindizes f{\"u}r ALD-erzeugte und gesputterte Iridium-Spiegelbeschichtungen wurden f{\"u}r Wellenl{\"a}ngen von 200 nm bis 20 μm bestimmt, welche nun bereits vorhandene Literaturwerte erg{\"a}nzen.}, subject = {Iridium}, language = {de} } @misc{HudecGilleGuimbelotetal.2022, author = {Hudec, Rene and Gille, Florian and Guimbelot, Elzear and Tichy, Vladimir and D{\"o}hring, Thorsten}, title = {Effective areas of astronomical X-ray optics for cubesats and rocket experiments}, publisher = {DGaO}, organization = {TH Aschaffenburg}, pages = {1 -- 1}, year = {2022}, abstract = {We address the problem of estimation the sensitivity of astronomical X-ray telescopes of Lobster Eye type , with emphasis on calculation of effective areas for telescopes designed for rocket and CubeSat flights. This parameter is one of the principal parameters when justifying the real space application. Indeed, the larger the effective area is, the more efficient the optical system is, able to provide images of fainter and more distant celestial targets. We discuss the estimation of the effective collecting area of a X-ray telescope by two different methods and then compare the results: the analytical method and then the simulation algorithm.}, subject = {R{\"o}ntgenteleskop}, language = {en} } @inproceedings{KriegCarreDoehringetal.2022, author = {Krieg, Janina and Carre, Antoine and D{\"o}hring, Thorsten and Hartmann, Peter and Hull, Tony and Jedamzik, Ralf and Westerhoff, Thomas}, title = {The past decade of ZERODUR® glass-ceramics in space applications}, series = {Proceedings of SPIE}, volume = {2022}, booktitle = {Proceedings of SPIE}, number = {12180}, publisher = {SPIE}, organization = {SCHOTT AG}, doi = {https://doi.org/10.1117/12.2628956}, pages = {121805N-1 -- 121805N-15}, year = {2022}, abstract = {For the past four decades, ZERODUR® glass ceramics has flown on many satellites including the prominent space missions METEOSAT, Hubble Space Telescope, CHANDRA, and LISA pathfinder. Firstly, this unique material is chosen as mirror substrate for high precision optics due to its extreme thermal stability. Its near-zero thermal expansion over a wide temperature range of several tens of Kelvin is homogenous within the entire volume. This enables control of the ZERODUR®'s surface profile at the 10-picometer level. SCHOTT has conducted comprehensive material characteristics studies on the mechanical properties and the radiation environment effects experienced in realistic orbits to define the suitability of ZERODUR® to survive both high loads during launch and to support long-term missions, respectively. Besides these advantageous material properties, this glass-ceramics can be extremely light-weighted by precision grinding enabled by the new SCHOTT competence center for machining and metrology. In this paper, we will continue to trace the recent developments of ZERODUR® glass ceramics as space material in the context of selected missions flown since 2009 and those anticipated. Major milestones such as the LISA pathfinder mission are discussed. Furthermore, we outline the viable use of ZERODUR® for great observatory architectures for IR/O/UV spaceborne telescopes. The objective of this paper is to supplement an earlier review of the use of ZERODUR® for space applications in the past decade and to summarize the latest progress and results of material studies toward very efficient production capabilities for high-performance light-weighted mirror substrates.}, subject = {Spiegelteleskop}, language = {en} } @inproceedings{DoehringStollenwerkSchmittetal.2022, author = {D{\"o}hring, Thorsten and Stollenwerk, Manfred and Schmitt, Paul and Szeghalmi, Adriana}, title = {Environmentally stable iridium mirror coatings for the infrared spectral range}, series = {Proceedings of SPIE}, volume = {2022}, booktitle = {Proceedings of SPIE}, number = {12298}, publisher = {SPIE}, organization = {TH Aschaffenburg}, doi = {https://doi.org/10.1117/12.2632057}, pages = {122980A-1 -- 122980A-08}, year = {2022}, abstract = {Highly reflective metal coatings are essential for numerous optical elements. Established mirror coatings made of silver (Ag) and gold (Au) offer high and broadband self-reflection in the infrared (IR) spectral range but are susceptible to environmental influences and mechanical stress without suitable protective layers. In the long-wavelength spectral range, in particular, the absorption bands of these protective layers partially reduce the high mirror reflectivity again. However, the noble metal iridium (Ir) is hard, extremely dense, and thermally, mechanically, and chemically stable. Iridium provides a similarly high reflectivity in the mid (MIR) and far-infrared (FIR) spectral range, as silver and gold, and high resistance to environmental influences - even without protective layers. In this paper, the different deposition processes, as well as the optical and structural properties of iridium mirror coatings fabricated by atomic layer deposition (ALD) and by magnetron sputtering (MS), are presented and compared with each other. The complex refractive indices for ALD and MS deposited iridium mirror coatings were determined for wavelengths from 200 nm to 20 μm, complementing the existing literature values. We demonstrate that iridium mirror coatings offer a high and broadband reflectivity from the mid to far-infrared spectral range. In contrast to established - protected - silver and gold mirror coatings, the iridium coatings are environmentally durable and thermally stable up to 600 °C, even without protective layers. Therefore, as an interesting mirror coating material, iridium has the potential for special applications in infrared astronomy and probably also for industrial instruments.}, subject = {Iridium}, language = {en} } @incollection{Doehring2019, author = {D{\"o}hring, Thorsten}, title = {Hochschule Aschaffenburg}, series = {Deutsche Raumfahrtakteure : Bundesl{\"a}nder - Organisation - Raumfahrt - raumfahrtbasierte Anwendungen}, booktitle = {Deutsche Raumfahrtakteure : Bundesl{\"a}nder - Organisation - Raumfahrt - raumfahrtbasierte Anwendungen}, publisher = {Deutsches Zentrum f{\"u}r Luft- und Raumfahrt e. V. (DLR)}, address = {K{\"o}ln}, pages = {87 -- 87}, year = {2019}, abstract = {Die Hochschule Aschaffenburg zeichnet sich durch wirtschaftsnahe, {\"u}berwiegend interdisziplin{\"a}re und innovative Studieng{\"a}nge aus. Enge Kooperationen mit Unternehmen sowie Partnerschaften mit ausl{\"a}ndischen Hochschulen garantieren den Studierenden, dass sie praxisrelevantes Wissen erwerben, welches f{\"u}r eine erfolgreiche Arbeit in einer zunehmend globalen Arbeitswelt erforderlich ist. Professorinnen und Professoren der Fakult{\"a}t Ingenieurwissenschaften sind mit ihren Forschungsteams {\"u}ber internationale Kooperationen an mehreren Raumfahrtprojekten beteiligt. Es werden Spiegelschichten f{\"u}r R{\"o}ntgensatelliten entwickelt, Katalysatoren f{\"u}r Raketentriebwerke beschichtet und die Auswirkungen kosmischer Strahlung auf das Herz-Kreislauf-System und auf Gehirnzellen untersucht. Die Ergebnisse werden in wissenschaftlichen Publikationen und auf Fachkonferenzen pr{\"a}sentiert. Studierende sind {\"u}ber Spezialvorlesungen und Abschlussarbeiten zu Raumfahrtthemen hierbei mit eingebunden.}, subject = {Raumfahrttechnik}, language = {de} } @inproceedings{KaetkerSchreiberBuschetal.2023, author = {K{\"a}tker, Anna and Schreiber, Kai and Busch, Uwe and Stanik, Eva and D{\"o}hring, Thorsten}, title = {Unsichtbares erkunden - Experimente im Museumslabor R{\"o}Lab des Deutschen R{\"o}ntgen-Museums}, volume = {2023}, number = {124}, publisher = {DGaO Proceedings}, organization = {Deutsches R{\"o}ntgen-Museum}, issn = {1614-8436}, pages = {1 -- 2}, year = {2023}, abstract = {Das R{\"o}Lab versteht sich als ein {\"u}berregionales, außerschulisches Bildungsangebot, das Begeisterung f{\"u}r Natur- und Ingenieurwissenschaften, Medizin und Medizintechnik an unterschiedliche Zielgruppen vermittelt und damit einen Beitrag zur Allgemeinbildung und MINT-F{\"o}rderung leistet. Das didaktische Konzept nimmt den „Hands-on-Science" Gedanken stringent auf, weckt den Forschergeist und erm{\"o}glicht es den Lernenden, Unsichtbares zu erkunden.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {de} } @inproceedings{BuschKaetkerSchreiberetal.2023, author = {Busch, Uwe and K{\"a}tker, Anna and Schreiber, Kai and Stanik, Eva and D{\"o}hring, Thorsten}, title = {Hommage auf einen bedeutenden Wissenschaftler - das Deutsche R{\"o}ntgen-Museum}, series = {DGaO Proceedings}, volume = {2023}, booktitle = {DGaO Proceedings}, number = {124}, publisher = {DGaO}, organization = {Deutsches R{\"o}ntgen-Museum}, issn = {1614-8436}, pages = {1 -- 2}, year = {2023}, abstract = {2023 j{\"a}hrte sich der Todestag von Wilhelm Conrad R{\"o}ntgen zum einhundertsten Mal. Im Jahr 1895 entdeckte er eine neue Art von Strahlung, die feste Materialien durchdringen kann. 1901 erhielt er f{\"u}r diese Entdeckung den ersten Nobelpreis f{\"u}r Physik. Das Deutsche R{\"o}ntgen-Museum erforscht und dokumentiert das Leben und Werk von W. C. R{\"o}ntgen und die Auswirkungen seiner Entdeckung.}, subject = {R{\"o}ntgen, Wilhelm Conrad, 1845-1923}, language = {de} } @inproceedings{HudecPomahačStaniketal.2023, author = {Hudec, Rene and Pomahač, Vit and Stanik, Eva and D{\"o}hring, Thorsten and Schilling, Klaus}, title = {Space Telescopes based on Satellite Tandem Flights}, series = {DGaO Proceedings}, volume = {2023}, booktitle = {DGaO Proceedings}, issn = {1614-8436}, pages = {2}, year = {2023}, abstract = {Progress in satellite control engineering enables tandem flight arrangements of mini-satellites in future space missions. Cost effective CubeSat technologies offer an interesting possibility for space-born telescope payloads. Two small satellites will carry the telescope optics and the detector system, respectively. Related formation flight requirements could be transferred from the NetSat-Mission.}, subject = {R{\"o}ntgenteleskop}, language = {en} } @inproceedings{DoehringStieglitzHudecetal.2022, author = {D{\"o}hring, Thorsten and Stieglitz, Veronika and Hudec, Rene and Sapsai, Iryna and Friedrich, Peter and Burwitz, Vadim}, title = {Characterization of a lobster-eye type X-ray telescope}, series = {EOSAM-Conference}, volume = {2022}, booktitle = {EOSAM-Conference}, organization = {TH Aschaffenburg}, pages = {1 -- 1}, year = {2022}, abstract = {Lobster-eye type X-ray telescopes use reflecting plano mirrors under grazing incidence and can observe a large field of view. As part of a Bavarian-Czech cooperation, two telescopes were build, equipped with mirrors coated with gold and iridium. Their X-ray characterization was carried out at the PANTER test facility, which simulates parallel starlight incident on the telescopes. The telescopes have an angular resolution of about 4 arc minutes in X-rays and a focal length of about 2 meters. The used X-ray mirrors reflect and focus visible light as well; their functionality in the optical regime was checked in laboratory tests. Now another test campaign will be carried out to examine the telescope resolution for real objects of the visible night sky and the imaging properties for star constellations.}, subject = {R{\"o}ntgenteleskop}, language = {en} } @inproceedings{DoehringStieglitzFriedrichetal.2023, author = {D{\"o}hring, Thorsten and Stieglitz, Veronika and Friedrich, Peter and Burwitz, Vadim and Jelinek, Martin and Hudec, Rene}, title = {Testing of lobster-eye type telescopes with X-rays and visible light}, series = {SPIE Proceedings}, volume = {2023}, booktitle = {SPIE Proceedings}, number = {12576}, publisher = {SPIE}, organization = {TH Aschaffenburg}, doi = {https://doi.org/10.1117/12.2665429}, pages = {1257606-1 -- 1257606-5}, year = {2023}, abstract = {Reflective coatings for astronomical X-ray optics were developed at the "Aschaffenburg Competence Center for Astronomical and Space Instrumentation" (ACCASI) since several years. As part of a Bavarian-Czech cooperation between the Technical University of Aschaffenburg and the Czech Technical University of Prague, now two mechanically identical telescopes were built. One telescope optic was equipped with conventional gold-coated mirrors, manufactured by the Czech project partners. The 34 X-ray mirrors of the second telescope use an innovative coating system made of chromium and iridium, which was applied at the Aschaffenburg coating laboratory. Both telescopes are designed according to the bionic principle of a reflecting lobster eye. The optics works with two consecutive reflections on mutually perpendicular mirror surfaces. This enables a large field of view with many square degrees in diameter, which, however, comes at the price of a reduced angular resolution. An extensive X-ray characterization of these telescopes was carried out at the PANTER test facility of MPE, which simulates parallel starlight incident on the telescopes. The telescopes have an angular resolution of about 4 arc minutes in X-rays and a focal length of about 2 meters. Furthermore, the used X-ray mirrors reflect and focus visible light as well and this functionality in the optical regime was checked in laboratory tests. Now another test campaign was done to examine the telescope resolution for real objects of the visible sky and the imaging properties for star constellations. Such functional tests by observing astronomical objects of the visible sky may simplify and accelerate the development of X-ray telescopes for satellite applications.}, subject = {R{\"o}ntgenteleskop}, language = {en} }