Results 151 to 160 of about 1,164 (214)

Premium Intraocular Lens Selection in Patients With Glaucoma: A Clinical Review

Clinical &Experimental Ophthalmology, EarlyView.
ABSTRACT Glaucoma frequently coexists with cataract, but glaucomatous functional loss, ocular‐surface disease, anatomical abnormalities, and treatment‐related refractive variability may reduce tolerance of premium intraocular lenses. This narrative review critically appraises evidence relevant to lens selection in glaucoma. Central visual‐field status,
Zhihao Liu, Yajuan Zheng, Mingxuan Wang, Jing Zhao   +3 more
wiley   +1 more source

Impact of River Morphology on River–Groundwater Exchange in Braided River Systems

Groundwater, EarlyView.
Abstract Braided river systems are an important source for groundwater recharge, but their complex morphology makes river–groundwater exchange fluxes difficult to estimate. Their river channel morphology changes frequently after floods, which has effects on recharge rates that have rarely been studied in the past.
Moritz Kraft, Antoine Di Ciacca, Thomas Wöhling   +2 more
wiley   +1 more source

Reconnaissance‐Scale Methods for the Identification of Groundwater Discharge to Streams

Groundwater Monitoring &Remediation, EarlyView.
Abstract Identifying groundwater discharge locations is critical for understanding and monitoring groundwater contributions to streams in terms of water quantity and quality. Streams and rivers are under increasing strain from factors, including increased urbanization, agricultural land use, groundwater extraction, and climate change, which can alter ...
Corey M. Zanatta, Andrew J. Wiebe, David L. Rudolph   +2 more
wiley   +1 more source

Application of Noise2Inverse and adaptation (Noise2Phase) to single‐mask x‐ray phase contrast micro‐computed tomography

Journal of Microscopy, EarlyView.
Abstract X‐ray phase contrast imaging (XPCI), when implemented in micro‐computed tomography (micro‐CT) mode, offers high‐contrast 3D imaging of weakly‐attenuating material samples. In the so‐called single‐mask edge illumination approach, a mask with periodically spaced transmitting apertures is used to split the x‐ray beam into narrow beamlets; when ...
Khushal Shah, Grammatiki Lioliou, Dai Chen, Alexander Denker, Peter Munro, Marco Endrizzi, Alberto Astolfo, Alessandro Olivo, Charlotte K. Hagen   +8 more
wiley   +1 more source

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Fiber Bragg gratings inscribed in nanobore fibers

Optics Letters, 2023
The nanobore fiber (NBF) is a promising nanoscale optofluidic platform due to its long nanochannel and unique optical properties. However, the applications of NBF are only based on its original fiber geometry without extra functionalities so far, compared with various telecom fiber devices, which may limit its wide applications.
Cong Xiong, Wei Jiang, Caoyuan Wang, Ruowei Yu, Jun He, Runxiao Chen, Xuan Li, Kang Ying, Haiwen Cai, Aiqun Liu, Limin Xiao   +10 more
openaire   +2 more sources

Chiral Fiber Gratings

Science, 2004
Chiral gratings with double helix symmetry were produced by twisting glass optical fiber with a noncircular core cross section as it passed through a miniature oven. We observed polarization-selective transmission in chiral fibers with pitches of tens of micrometers. Two modes of optical interaction were differentiated.
Victor I, Kopp, Victor M, Churikov, Jonathan, Singer, Norman, Chao, Daniel, Neugroschl, Azriel Z, Genack   +5 more
openaire   +2 more sources

Multiresonant Fiber Gratings

Optics and Photonics News, 2022
The mode control enabled by specialized gratings allows simultaneous sensing of multiple parameters in a single fiber strand—a potential game-changer.
Tuan Guo, Jacques Albert, Christophe Caucheteur   +2 more
exaly   +2 more sources

Narrowband fiber grating filters

IEEE Journal on Selected Areas in Communications, 1990
Two techniques for the fabrication of fiber gratings with a narrowband filter response are reported. In the first technique, the reflection bandwidth is reduced by increasing the grating length. Fiber gratings 10 mm long have been made with a bandwidth of approximately 0.3 nm.
Catherine M. Ragdale, Douglas Reid, D. J. Robbins, Jens Buus, Ian Bennion   +4 more
openaire   +1 more source

Array of grating–fiber couplers

Optics Letters, 1990
Along a single-mode fiber a number M of grating-fiber couplers are fabricated at equal spacings L(0). The fiber is coiled so that the couplers lie side by side, forming a planar optical antenna array. With varying optical frequency the resulting radiation lobes sweep slowly along the meridional direction but fast along the orthogonal azimuthal ...
M, Zürn, R, Ulrich
openaire   +2 more sources

Fiber grating laser sensors

Proceedings of the 2008 International Conference on Advanced Infocomm Technology - ICAIT '08, 2008
Fiber grating laser sensors have attracted considerable interests because they not only possess advantages of passive fiber grating sensors, such as compact size, inherent self-referencing capability, and multiplexing capability, but also offer higher signal-to-noise ratio.
Bai-ou Guan, Yang Zhang, Hwa-Yaw Tam
openaire   +1 more source