Newsletter November 2021
Dear colleagues and friends of the HI Jena,
welcome to the November 2021 issue of the HI Jena newsletter.
Below you find informations and news about recent activities of our institute.
Helmholtz Institute Jena
9th Joint RS-APS & HGS-HIRe Lecture Week
In October 2021 the Research School RS-APS of the Helmholtz Institute Jena organized already the ninth edition of its annual Lecture Week. Due to the Covid-19 situation the lecture week could not be held as a face-to-face event in the tradional format. However, similar to 2020 RS-APS offered this scientific training event in a modified online version. Different from the previous year’s installment, the online Lecture Week consisted not only of a series of lectures but was also complemented with group working sessions in the afternoon. For four days the 24 doctoral students learned about various aspects of “Novel applications triggered by modern laser technologies”. RS-APS was fortunate to recruit four experts addressing subtopics of this research field: César Jauregui (IAP, University of Jena) gave an introduction to “Fundamentals of ultrafast lasers” and Vincent Bagnoud (GSI and TU Darmstadt) contiuned with an “Introduction to plasmas and relativistic laser-plasma interactions”. Jens Osterhoff (DESY Hamburg) contributed a lecture focusing on the “Physics of Plasma and Laser-Plasma-Accelerator systems”. In addition, Peter Thirolf (LMU Munich) made an excursion to “High Precision Laser Spectroscopy” and gave an insight view on the status of nuclear clocks. Overall the online version of the Lecture Week was very well received and led to fruitful discussions between students and lecturers.
News and Announcements
“Center of Excellence in Photonics”: Three million euros for new research collaborations offering applications in medicine and life sciences
With nearly three million euros in funding, the “Center of Excellence in Photonics” as Jena’s innovation platform continues to expand its research. 1.5 million euros of this comes from the Free State of Thuringia. The grants will be used to initiate new research collaborations, especially in imaging for life sciences and medicine. A particular focus is on technologies operating in the spectral range of EUV radiation and beyond.
Since 2016, the “Center of Excellence in Photonics” has taken up the challenge of developing innovative solutions with light for important future fields and promoting their implementation and application in science, industry and society. The center of excellence combines applied research with scientifically outstanding basic research on the control of light – ranging from its generation and manipulation to its application.
Free State of Thuringia funds new research collaborations with 1.5 million
Since its launch, the Free State of Thuringia has supported the center as a relevant innovation and transfer platform at the optics location Jena. This year, the state is funding the center of excellence and the cooperation between partners with 1.5 million euros. The Fraunhofer-Gesellschaft is contributing another 1.35 million for projects on efficient research transfer, such as support for optics and photonics startups. The joint funding by the Free State of Thuringia and the Fraunhofer-Gesellschaft also enables the center of excellence to focus on promoting young scientists, in particular by supporting doctoral projects and supplementing them with innovative future topics within the framework of the “Fraunhofer Graduate Research School of Applied Photonics”.
New research collaborations for applications in life sciences
The state’s grant will be used in particular for research collaborations between the partners involved in the center: The focus is on the so-called “Joint Imaging Labs”. The goal is to pool the expertise of the partners with regard to innovative and high-performance imaging technologies. Applications are planned especially in the fields of life sciences and medicine.
Here, the Helmholtz Institute Jena will contribute to the “Joint EUV-XUV Technology Lab”, where the development of a new type of imaging at the boundary between extreme ultraviolet light and the soft X-ray range is to be driven forward. In contrast to the established method of electron microscopy, which can only characterize tissue samples on the surface, the latest EUV technologies enable non-destructive imaging on a larger scale. In recent years, the Helmholtz Institute Jena has been able to realize the world’s most powerful microscopy systems in the EUV range. Record resolutions in the range of less than 50 nanometers could be demonstrated as well as fast measurements on large areas. Simultaneously, the Fraunhofer Institute for Applied Optics and Precision Engineering IOF developed the world’s most powerful femtosecond laser at a wavelength of two micrometers as part of the Fraunhofer CAPS cluster. This enables an efficient generation of secondary radiation in the soft X-ray range. The goal of the “Joint EUV-XUV Technology Lab” is to develop a worldwide unique high-power source in the soft X-ray range on the basis of this comprehensive know-how and to make it usable for scientific and industrial tasks with adapted imaging processes.
The complete press release of the Fraunhofer Institute for Applied Optics and Precision Engineering IOF can be found here.
SPARC PhD Award goes to Robert Klas
Robert Klas of Helmholtz Institute Jena has received this year’s PhD Award of the SPARC Collaboration. The SPARC PhD Award 2021 was presented online during the 18th workshop of the collaboration in September. The award was given in recognition of Klas’s PhD thesis “Efficiency Scaling of High Harmonic Generation using Ultrashort Fiber Lasers”.
The work addresses high-power laser-driven sources in the XUV range as an alternative to large-scale light sources such as synchrotrons or free-electron lasers (FEL). These can be obtained, as Klas has shown, by high harmonic generation (HHG) of high average power ultrafast fiber lasers. Such laser-like XUV sources, which are less complex and more accessible to the user, nowadays find applications in lensless imaging or time-resolved spectroscopy. In particular, they can be combined with the storage ring facilities at GSI and FAIR for precision spectroscopy. This combination will enable unique research beyond today’s state of the art.
In this context, a proof-of-principle experiment targeting XUV photoionization of carbon ions based on a laser-driven table-top XUV source has been proposed, granted beam time, and conducted by the SPARC collaboration at CRYRING in 2019 and 2021. Klas provided groundbreakting contributions during his doctoral studies to enable XUV laser spectroscopy at heavy ion storage rings for the first time. The work was carried out at Friedrich Schiller University Jena, the Fraunhofer Institute for Applied Optics and Precision Engineering in Jena, and the Helmholtz Institute Jena.
The SPARC PhD Award has been presented annually since 2018 and comes with a prize money of 200 euros. The award honors the best PhD thesis within the collaboration concerning atomic physics with heavy ions at the research facilities of GSI and FAIR. SPARC stands for Stored Particles Atomic Physics Research Collaboration. Currently, more than 400 members from 26 countries belong to the collaboration. They are experimenting with the existing atomic physics facilities at GSI and preparing new experiments and setups at the future FAIR accelerator. (CP/GSI)
The complete press release of GSI can be found here.
Zoom link: 633 7753 5233
Zoom link: 986 1209 6628
Zoom link: 633 7753 5233
Zoom link: 633 7753 5233
20th International Conference on the Physics of Highly Charged Ions (HCI)
Further information can be found here.
28th International Nuclear Physics Conference (INPC2022)
Johannesburg, South Africa
Further information can be found here.
Trapped Charged Particles Conference 2022 (TCP2022)
Collegium Glashütten, 61479 Glashütten OT Oberems
Further information can be found here. Registration closes on 15 August 2022.
26th Conference on the Application of Accelerators in Research and Industry (CAARI)
Denton, TX, USA
Further information can be found here.
Angular coefficients for symmetry-adapted configuration states in jj-coupling
G. Gaigalas, and S. Fritzsche
Comput. Phys. Commun. 267, 108086 (2021)
Delocalization of quantum information in long-range interacting systems
D. Wanisch, and S. Fritzsche
Phys. Rev. A 104, 042409 (2021)
Gas-plasma-based generation of broadband terahertz radiation with 640 mW average power
J. Buldt, H. Stark, M. Mueller, C. Grebing, C. Jauregui, and J. Limpert
Opt. Lett. 46, 5256 (2021)
Towards pair production in the non-perturbative regime
F. C. Salgado, K. Grafenstein, A. Golub, A. Dopp, A. Eckey, D. Hollatz, C. Muller, A. Seidel, D. Seipt, S. Karsch, and M. Zepf
New J. Phys. 23, 105002 (2021)
Transverse ultrafast laser inscription in bulk silicon
M. Chambonneau, M. Blothe, Q. Li, V. Fedorov, T. Heuermann, M. Gebhardt, C. Gaida, S. Tertelmann, F. Sotier, J. Limpert, S. Tzortzakis, and S. Nolte
Phys. Rev. Research 3, 043037 (2021)
X-ray vacuum diffraction at finite spatiotemporal offset
F. Karbstein, and R. Oude Weernink
Phys. Rev. D 104, 076015 (2021)
Derivative corrections to the Heisenberg-Euler effective action
J. High Energ. Phys. 09, 070 (2021)
Experimental study of the laser-induced ionization of heavy metal and metalloid ions: Au+ and Si2+ in intense and sculpted femtosecond laser fields
B. Ying, F. Machalett, V. Huth, M. Kuebel, A. Sayler, T. Stoehlker, G. Paulus, and P. Wustelt
J. Phys. B 54, 174002 (2021)
Role of L-shell single and double core-hole production and decay in m-fold (1 <= m <= 6) photoionization of the Ar+ ion
A. Mueller, M. Martins, J. Borovik, T. Buhr, A. Perry-Sassmannshausen, S. Reinwardt, F. Trinter, S. Schippers, S. Fritzsche, and A. S. Kheifets
Phys. Rev. A 104, 033105 (2021)
Temporal pulse quality of a Yb:YAG burst-mode laser post-compressed in a multi-pass cell
A.-L. Viotti, S. Alisauskas, H. Tuennermann, E. Escoto, M. Seidel, K. Dudde, B. Manschwetus, I. Hartl, and C. Heyl
Opt. Lett. 46, 4686 (2021)
Obtaining Intense Attosecond Pulses in the Far Field from Relativistic Laser-Plasma Interactions
Y. Zhang, C. L. Zhong, S. P. Zhu, X. T. He, M. Zepf, and B. Qiao
Physical Review Applied 16, 024042 (2021)
Proton-neutron pairing correlations in the self-conjugate nucleus Sc-42
A. Koszorus, L. J. Vormawah, R. Beerwerth, M. L. Bissell, P. Campbell, B. Cheal, C. S. Devlin, T. Eronen, S. Fritzsche, S. Geldhof, H. Heylen, J. D. Holt, A. Jokinen, S. Kelly, I. D. Moore, T. Miyagi, S. Rinta-Antila, A. Voss, and C. Wraith
Phys. Rev. B 819, 136439 (2021)
Relativistic modified Bessel-Gaussian beam generated from plasma-based beam braiding
B. Lei, D. Seipt, M. Shi, B. Liu, J. Wang, M. Zepf, and S. Rykovanov
Phys. Rev. A 104, 021501 (2021)
Scaling potential of beam-splitter-based coherent beam combination
M. Mueller, C. Aleshire, J. Buldt, H. Stark, C. Grebing, A. Klenke, and J. Limpert
Opt. Express 29, 27900 (2021)
Above-threshold ionization driven by Gaussian laser beams: beyond the electric dipole approximation
B. Böning, and S. Fritzsche
J. Phys. B 54, 144002 (2021)
Application of Gamma Attenuation Technique and Artificial Intelligence to Detect Scale Thickness in Pipelines in Which Two-Phase Flows with Different Flow Regimes and Void Fractions Exist
M. Alamoudi, M. Sattari, M. Balubaid, E. Eftekhari-Zadeh, E. Nazemi, O. Taylan, and E. Kalmoun
Symmetry 13, 1198 (2021)
Electron-loss-to-continuum cusp in collisions of U89+ with N-2 and Xe
P.-M. Hillenbrand, K. N. Lyashchenko, S. Hagmann, O. Andreev, D. Banas, E. P. Benis, I. Bondarev, C. Brandau, E. De Filippo, O. Forstner, J. Glorius, R. E. Grisenti, A. Gumberidze, D. L. Guo, M. O. Herdrich, M. Lestinsky, Y. Litvinov, V. Pagano, N. Petridis, M. S. Sanjari, D. Schury, U. Spillmann, S. Trotsenko, M. Vockert, A. B. Voitkiv, G. Weber, and T. Stoehlker
Phys. Rev. A 104, 012809 (2021)
Laser-Driven Anharmonic Oscillator: Ground-State Dissociation of the Helium Hydride Molecular Ion by Midinfrared Pulses
P. Wustelt, F. Oppermann, S. Mhatre, M. Kuebel, A. Sayler, M. Lein, S. Graefe, and G. Paulus
Phys. Rev. Lett. 127, 043202 (2021)
Role of free-carrier interaction in strong-field excitations in semiconductors
R. Hollinger, E. Haddad, M. Zapf, V. Shumakova, P. Herrmann, R. Roeder, I. Uschmann, U. Reisloehner, A. Pugzlys, A. Baltuska, F. Legare, M. Zuerch, C. Ronning, C. Spielmann, and D. Kartashov
Phys. Rev. B 104, 035203 (2021)
Towards attosecond imaging at the nanoscale using broadband holography-assisted coherent imaging in the extreme ultraviolet
W. Eschen, S. Wang, C. Liu, R. Klas, M. Steinert, S. Yulin, H. Meissner, M. Bussmann, T. Pertsch, J. Limpert, and J. Rothhardt
Communications Physics 4, 154 (2021)