Results 31 to 40 of about 903 (131)

End-View Image Processing Based Angle Alignment Techniques for Specialty Optical Fibers

open access: yesIEEE Photonics Journal, 2017
We propose two end-view-based digital image processing algorithms for high-precision rotational angle alignment of specialty optical fibers. The first technique is based on the cross-correlation calculation between images of two fiber ends.
Li Shen   +7 more
doaj   +1 more source

Design and Dispersion Control of Microstructured Multicore Tellurite Glass Fibers with In-Phase and Out-of-Phase Supermodes

open access: yesPhotonics, 2021
High nonlinearity and transparency in the 1–5 μm spectral range make tellurite glass fibers highly interesting for the development of nonlinear optical devices.
Elena A. Anashkina, Alexey V. Andrianov
doaj   +1 more source

Grating‐Lens Empowered Metafiber for Large‐Angle Light Collection With 3D Nanoprinted Structures

open access: yesLaser &Photonics Reviews, EarlyView.
A grating‐lens‐based Metafiber enables efficient light coupling into single‐mode fibers at large incidence angles. By combining diffraction and focusing on the fiber facet using a 3D nanoprinted holographic structure, light is selectively coupled only at specific angles while suppressing unwanted signals. This approach achieves high coupling efficiency
Jun Sun, Markus A. Schmidt
wiley   +1 more source

Breaking the speed limitation of wavemeter through spectra-space-time mapping

open access: yesLight: Advanced Manufacturing
Speckle patterns generated by the intermodal interference of multimode fibers enable accurate broadband wavelength measurements. However, the measurement speed is limited by the frame rate of the camera that captures the patterns.
Zheng Gao   +5 more
doaj   +1 more source

Fiber Bragg Grating Force Sensors for Minimally Invasive Surgery: State of the Art, Challenges, and Opportunities

open access: yesSmartBot, EarlyView.
This article reviews the application of fiber Bragg grating (FBG) technology for precise force sensing in minimally invasive surgery. It outlines the fundamental working principles and algorithms used to interpret sensor data. The text surveys clinical applications across various medical fields, such as ophthalmology and vascular intervention (Table of
Shiyuan Dong   +9 more
wiley   +1 more source

Advances in Position‐Momentum Entanglement: A Versatile Tool for Quantum Technologies

open access: yesLaser &Photonics Reviews, Volume 20, Issue 15, 7 August 2026.
Position–momentum entanglement constitutes a high‐dimensional continuous‐variable resource in quantum optics. Recent advances in its generation, characterization, and control are reviewed, with emphasis on spontaneous parametric down‐conversion and modern measurement techniques.
Satyajeet Patil   +6 more
wiley   +1 more source

Liquid Crystal Elastomers Filaments for Adaptive Textiles and Soft Robotics: A Processing‐Centric Review

open access: yesMacromolecular Rapid Communications, Volume 47, Issue 15, 4 August 2026.
Liquid crystal elastomer (LCE) filaments are fabricated through extrusion with in‐process UV curing, enabling controlled flow alignment and network locking of mesogens. The resulting structure responds to thermal or optical stimuli, inducing molecular reorientation and macroscopic contraction.
Anne Schwarz‐Pfeiffer, Shazia Mehtab
wiley   +1 more source

High-Power Jamming Attack Mitigation Techniques in Spectrally-Spatially Flexible Optical Networks

open access: yesIEEE Access, 2021
This work presents efficient connection provisioning techniques mitigating high-power jamming attacks in spectrally-spatially flexible optical networks (SS-FONs) utilizing multicore fibers.
Giannis Savva   +4 more
doaj   +1 more source

Alloy‐Type Anode Materials for Sodium‐Ion Batteries: From Single Metals to MultiComponent Alloys

open access: yesRare Metals, Volume 45, Issue 8, August 2026.
ABSTRACT Sodium‐ion batteries (SIBs) are widely regarded as a promising alternative to lithium‐ion batteries due to their abundant sodium resources, broad geographical distribution, and low cost, rendering them particularly attractive for large‐scale energy storage applications.
Zicheng Yin   +12 more
wiley   +1 more source

Effect of Endodontic Sealers on the Bond Strength of Glass Fibre Posts: A Systematic Review

open access: yesAustralian Endodontic Journal, Volume 52, Issue 2, Page 554-570, August 2026.
ABSTRACT This systematic review evaluated the influence of resin‐based, eugenol‐based and bioceramic endodontic sealers on the bond strength of glass fibre posts cemented with resin cements. Searches were conducted in PubMed, Scopus, Web of Science, Cochrane Library, Google Scholar and Embase, including in vitro studies using human or bovine teeth ...
Thiago Bessa Marconato Antunes   +7 more
wiley   +1 more source

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