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Article
Optics
Marcus Seidel et al.
Summary: The study reports a novel FEL facility laser that combines high average power output and pulse compression for studying ultrafast processes. Compared to other lasers, this new system has improved noise figures, compactness, simplicity, and power efficiency. It provides high-energy, short-duration pulses that can be adjusted through computer control.
LASER & PHOTONICS REVIEWS
(2022)
Review
Optics
Anne-Lise Viotti et al.
Summary: Ultrafast lasers with high power and short pulses have a wide range of applications in material processing, photon and particle sources, light-matter interactions, and medical diagnostics. The multi-pass cell technique has significantly improved the power efficiency and enabled lasers with higher average and peak powers. The recent progress in this technique has opened up new possibilities for ultrafast lasers with tens of terawatts peak power and multiple kilowatts average power.
Article
Optics
Christoph M. Heyl et al.
Summary: The article discusses the potential advantages of multi-pass cells (MPCs) in spectral broadening and post-compression applications. It introduces a novel energy scaling method using a bow tie geometry for MPCs. Numerical simulations demonstrate the successful compression of high-energy, long pulses into shorter pulses, and suggest possible routes for extending the method to higher energy levels.
JOURNAL OF PHYSICS-PHOTONICS
(2022)
Article
Nanoscience & Nanotechnology
Sara Mikaelsson et al.
Summary: Attosecond pulses, produced through high-order harmonic generation in gases, have been used to observe ultrafast electron dynamics, overcoming limitations of low repetition rates. By using short pulse trains, experiments have been conducted on single-photon double ionization of helium with full angular resolution.
Article
Optics
Martin Kaumanns et al.
Summary: The study utilizes the first-order helical Laguerre-Gaussian mode to improve the energy throughput of nonlinear spectral broadening in gas-filled multipass cells, achieving spectral broadening of pulses with energies beyond 100 mJ. It is suitable for an average power of more than 500 W while maintaining excellent spatio-spectral homogeneity and a Gaussian-like focus profile, with demonstrated compressibility from 1.3 ps to 37 fs.
Review
Physics, Multidisciplinary
Tamas Nagy et al.
Summary: The article discusses the generation of high-energy few-cycle light pulses in contemporary ultrafast science, focusing on post-compression technology based on optical Kerr-effect or ionization. Various types of post-compression techniques are explored, with a detailed description of experimental realizations and comparison of methods based on important figures of merit. Perspectives on future trends in technology are presented to emphasize the potential advancements in the field.
ADVANCES IN PHYSICS-X
(2021)
Review
Optics
Marc Hanna et al.
Summary: Multipass cells serve as a platform for nonlinear optics, allowing for nonlinear distribution, enhancing robustness of the beam, and exploring various nonlinear phenomena, with engineering potential.
LASER & PHOTONICS REVIEWS
(2021)
Review
Optics
Ivan Sytcevich et al.
Summary: The dispersion scan (d-scan) technique is a simple-to-implement method for characterizing ultra-short laser pulses, with intuitive and easy-to-interpret traces and fast, robust retrieval algorithms. This review focuses on the second harmonic generation d-scan technique and compares recent implementations, demonstrating the versatility of the technique.
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
(2021)
Article
Optics
Michael Mueller et al.
Summary: A multipass cell for nonlinear compression to few-cycle pulse duration is introduced, utilizing dielectrically enhanced silver mirrors on silicon substrates. It achieves spectral broadening with high output power, high spatio-spectral homogeneity, and good output beam quality. Finite element analysis shows scalability of this cell to high average output power.
Article
Optics
Anne-Lise Viotti et al.
Summary: Nonlinear pulse post-compression is an efficient method for producing ultrashort, high-quality laser pulses, but the temporal pulse quality is limited by amplitude and phase modulations. The study characterizes individual post-compressed pulses with high dynamic range, demonstrating nearly constant energy content in the main peak over the burst plateau. This makes multi-pass post-compressed lasers attractive for pump-probe spectroscopy and secondary frequency conversion stages.
Article
Nanoscience & Nanotechnology
Germann Hergert et al.
Summary: The use of low kinetic energy electrons in ultrafast electron microscopy techniques allows for probing nanoscale dynamic processes with reduced radiation doses and enhanced interaction with confined electromagnetic fields. Recent advancements in spatial and temporal resolution have been achieved by combining nanotip photoemitters and point-projection imaging schemes. This enables the analysis of low-energy electron interaction with transient electric fields and opens up possibilities for characterizing vectorial near-fields through electron streaking spectroscopy.
Article
Optics
Robert Klas et al.
Summary: High harmonic generation technology enables the generation of coherent extreme-ultraviolet radiation with ultra-short pulse duration in a table-top setup, leading to new possibilities for research and applications in various fields.
Article
Optics
Nour Daher et al.
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
(2020)
Article
Optics
Edoardo Vicentini et al.
Article
Optics
Meenkyo Seo et al.
Article
Optics
Christian Grebing et al.
Article
Optics
M. Natile et al.
Article
Optics
L. Lavenu et al.
Article
Optics
Gaetan Jargot et al.
Article
Optics
Felix Koettig et al.
Article
Optics
Peter Russbueldt et al.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2014)
Article
Optics
Miguel Miranda et al.
Article
Optics
G Fibich et al.