Advances in laboratory-scale ptychography using high harmonic sources
Extreme ultraviolet microscopy and wavefront sensing are key elements for next-generation
ultrafast applications, such as chemically-resolved imaging, focal spot diagnostics in pump …
ultrafast applications, such as chemically-resolved imaging, focal spot diagnostics in pump …
Material-specific high-resolution table-top extreme ultraviolet microscopy
W Eschen, L Loetgering, V Schuster, R Klas… - Light: Science & …, 2022 - nature.com
Microscopy with extreme ultraviolet (EUV) radiation holds promise for high-resolution
imaging with excellent material contrast, due to the short wavelength and numerous element …
imaging with excellent material contrast, due to the short wavelength and numerous element …
Nonlinear compression toward high-energy single-cycle pulses by cascaded focus and compression
MS Tsai, AY Liang, CL Tsai, PW Lai, MW Lin… - Science …, 2022 - science.org
The advancement of contemporary ultrafast science requires reliable sources to provide
high-energy few-cycle light pulses. Through experiments and simulations, we demonstrate …
high-energy few-cycle light pulses. Through experiments and simulations, we demonstrate …
Visualizing the ultra-structure of microorganisms using table-top extreme ultraviolet imaging
Table-top extreme ultraviolet (EUV) microscopy offers unique opportunities for label-free
investigation of biological samples. Here, we demonstrate ptychographic EUV imaging of …
investigation of biological samples. Here, we demonstrate ptychographic EUV imaging of …
Structured illumination ptychography and at-wavelength characterization with an EUV diffuser at 13.5 nm wavelength
Structured illumination is essential for high-performance ptychography. Especially in the
extreme ultraviolet (EUV) range, where reflective optics are prevalent, the generation of …
extreme ultraviolet (EUV) range, where reflective optics are prevalent, the generation of …
Few-cycle optical vortices for strong-field physics
M Guer, M Luttmann, JF Hergott, F Lepetit… - Optics Letters, 2023 - opg.optica.org
We report on the generation of optical vortices with few-cycle pulse durations, 500 μ J per
pulse, at a repetition rate of 1 kHz. To do so, a 25 fs laser beam at 800 nm is shaped with a …
pulse, at a repetition rate of 1 kHz. To do so, a 25 fs laser beam at 800 nm is shaped with a …
High-speed and wide-field nanoscale table-top ptychographic EUV imaging and beam characterization with a sCMOS detector
We present high-speed and wide-field EUV ptychography at 13.5? nm wavelength using a
table-top high-order harmonic source. Compared to previous measurements, the total …
table-top high-order harmonic source. Compared to previous measurements, the total …
Extension of the bright high-harmonic photon energy range via nonadiabatic critical phase matching
Z Fu, Y Chen, S Peng, B Zhu, B Li… - Science …, 2022 - science.org
The concept of critical ionization fraction has been essential for high-harmonic generation,
because it dictates the maximum driving laser intensity while preserving the phase matching …
because it dictates the maximum driving laser intensity while preserving the phase matching …
Spatially homogeneous few-cycle compression of Yb lasers via all-solid-state free-space soliton management
The high power and variable repetition-rate of Yb femtosecond lasers makes them very
attractive for ultrafast science. However, for capturing sub-200 fs dynamics, efficient, high …
attractive for ultrafast science. However, for capturing sub-200 fs dynamics, efficient, high …
Extended model for optimizing high-order harmonic generation in absorbing gases
B Major, K Varjú - Journal of Physics B: Atomic, Molecular and …, 2022 - iopscience.iop.org
We report on an extended version of the one-dimensional model proposed by Constant et al
(1999 Phys. Rev. Lett. 82 1668) to study phase matching of high-order harmonic generation …
(1999 Phys. Rev. Lett. 82 1668) to study phase matching of high-order harmonic generation …