Results 81 to 90 of about 21,665 (206)

Design of composite optical nanofibers for new all-solid-state Raman wavelength converters

open access: yesJournal of the European Optical Society-Rapid Publications
We present the design of composite optical nanofibers (ONF) coated with thin layers of nonlinear materials, Titanium dioxyde (TiO2) and Polymethyl methacrylate (PMMA), for the realization of new all-solid Raman wavelength converters for an emission ...
Lebrun Sylvie   +7 more
doaj   +1 more source

Heart failure in two male patients with late‐onset Fabry mutation (IVS4 + 919G > A)

open access: yes
ESC Heart Failure, Volume 12, Issue 2, Page 1508-1513, April 2025.
Xufei Yang   +3 more
wiley   +1 more source

Inter‐Theta‐Gram Spectroscopy: A General Super‐Spectral‐Resolution Scattering Method Demonstrated on Diamond

open access: yesJournal of Raman Spectroscopy, EarlyView.
Inter‐Theta‐Gram spectroscopy enables super‐spectral‐resolution Raman analysis by jointly reconstructing the excitation laser line and Raman peak during an etalon angle scan, yielding internally referenced Raman shifts. Demonstrated on lab‐grown versus natural diamond, it resolves 0.1–0.2 cm−1 Raman‐shift offsets that are invisible in conventional ...
Yishai Amiel   +3 more
wiley   +1 more source

Economic approaches to measuring labor exploitation in agriculture: A systematic literature review of indicators and methodologies

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Agriculture remains highly vulnerable to labor exploitation, affecting almost two million workers worldwide and drawing increasing attention, particularly within the framework of Sustainable Development Goal 8 of the United Nations 2030 Agenda. However, the informal nature of exploitation and fragmented data complicate its analysis.
Claudio Mirabella   +3 more
wiley   +1 more source

Germanium‐Based Mid‐Infrared Integrated Photonics

open access: yesLaser &Photonics Reviews, EarlyView.
The mid‐infrared (mid‐IR) spectral range is a part of the electromagnetic spectrum in which most of the molecules have vibrational and rotational resonances. Photonics integration in this wavelength range have thus seen a burst of interest in the recent years, mainly driven by applications related with the detection of chemical and biological ...
Delphine Marris‐Morini   +6 more
wiley   +1 more source

Stimulated Forward Brillouin Scattering in Subwavelength Grating Silicon Membranes

open access: yesLaser &Photonics Reviews, EarlyView.
This work proposes a novel strategy to achieve large Brillouin scattering with independent control of the optical and mechanical modes using subwavelength silicon membranes. We experimentally demonstrate remarkably high Brillouin gain, resulting in an on/off Stokes gain of 3 dB and anti‐Stokes loss of 4 dB in a 6 mm‐long waveguide with 35 mW of on‐chip
Paula Nuño Ruano   +8 more
wiley   +1 more source

Resonant States Reveal Strong Light–Matter Coupling in Nanophotonic Cavities

open access: yesLaser &Photonics Reviews, EarlyView.
Photonic resonant states reveal characteristics of coupled light–matter systems that would otherwise be hidden by damping. Their trajectories (when tuning the optical resonance) undergo a qualitative change at the onset of strong coupling: They start swapping positions.
Jan David Fischbach   +5 more
wiley   +1 more source

Laser‐Based In Situ Diagnostics of Temperature and Material‐Growth Dynamics in Photothermal Laser Nanoprinting of ZnO

open access: yesLaser &Photonics Reviews, EarlyView.
This work elucidates the previously unknown thermal dynamics during sub‐micrometer photothermal laser printing of zinc oxide using a non‐invasive transmission‐based in situ measurement. The elevated temperatures are shown to be highly localized around the laser focal spot, reaching average temperature increases of about 113 K per mW of laser power ...
Steven Kraus   +4 more
wiley   +1 more source

Revealing the Resonant Physics of Open Photonic Time Crystals

open access: yesLaser &Photonics Reviews, EarlyView.
ABSTRACT Photonic time crystals (PTCs) are media whose permittivity is modulated periodically in time, enabling momentum bandgaps and parametric amplification of light. Their realization at the nanoscale can revolutionize the study of light‐matter interactions.
Adrià Canós Valero   +5 more
wiley   +1 more source

A rare partnership: patient community and industry collaboration to shape the impact of real-world evidence on the rare disease ecosystem

open access: yesOrphanet Journal of Rare Diseases
People with rare lysosomal storage diseases face challenges in their care that arise from disease complexity and heterogeneity, compounded by many healthcare professionals being unfamiliar with these diseases.
T. L. Klein   +12 more
doaj   +1 more source

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