Results 41 to 50 of about 4,209,450 (303)

Formation and applications of nanoparticles in silica optical fibers [PDF]

, 2015
Optical fibers are the basis for applications that have grown considerably in recent years (telecommunications, sensors, fiber lasers, etc). Despite undeniable successes, it is necessary to develop new generations of amplifying optical fibers that will ...
W. Blanc, B. Dussardier
semanticscholar   +1 more source

Brainstem and Cerebellar Volume Loss and Associated Clinical Features in Progressive Supranuclear Palsy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Introduction Progressive Supranuclear Palsy (PSP) is a neurodegenerative ‘tauopathy’ with predominating pathology in the basal ganglia and midbrain. Caudal tau spread frequently implicates the cerebellum; however, the pattern of atrophy remains equivocal.
Chloe Spiegel, Timothy P. Siejka, Cassandra Marotta, Josh J. Y. Lee, Kelly Bertram, Terence J. O'Brien, Meng Law, Lucy Vivash, Ian H. Harding   +8 more
wiley   +1 more source

Highly birefringent all-normal dispersion silica fiber with flat dispersion profile in the 1200–2100 nm wavelength range [PDF]

EPJ Web of Conferences, 2022
Szewczyk Olga, Statkiewicz-Barabach Gabriela, Olszewski Jacek, Żołnacz Kinga, Makara Mariusz, Poturaj Krzysztof, Mergo Paweł, Sotor Jarosław, Soboń Grzegorz, Urbańczyk Wacław   +9 more
doaj   +1 more source

DETERMINATION OF OPTICAL LOSSES AT FIBERS JOINING WITH DIFFERENT MODEFIELD DIAMETER [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2013
For optical losses reducing at fiber optic systems creation the angular distribution of the output radiation of birefringent optical fibers with elliptical stress cladding with 4, 12, 16 and 18 mol. % GeO2 is measured.
A. V. Varlamov, A. V. Kulikov, V. E. Strigalev, S. V. Varzhel , S. M. Aksarin   +4 more
doaj  

Optical Fiber Based Temperature Sensors: A Review

Optics, 2023
The current generation is witnessing a huge interest in optical waveguides due to their salient features: they are of low cost, immune to electromagnetic interference, easy to multiplex, have a compact size, etc.
R. Gangwar, S. Kumari, A. K. Pathak, S. D. Gutlapalli, Mahesh Meena   +4 more
semanticscholar   +1 more source

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang, Yixiu Pei, Xiaobao Hu, Ying Xiong, Fang Wang, Yanyan Yu, Min Zhu, Dandan Tan, Meihong Zhou, Daojun Hong, Fuqing Zhou   +10 more
wiley   +1 more source

Highly Stretchable, Strain Sensing Hydrogel Optical Fibers

Advances in Materials, 2016
A core-clad fiber made of elastic, tough hydrogels is highly stretchable while guiding light. Fluorescent dyes are easily doped into the hydrogel fiber by diffusion.
Jingjing Guo, Xinyue Liu, N. Jiang, A. Yetisen, Hyunwoo Yuk, Changxi Yang, A. Khademhosseini, Xuanhe Zhao, S. Yun   +8 more
semanticscholar   +1 more source

Structure–Function Decoupling of the Sensorimotor and Default Mode Networks in Black Americans With MS

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background and Objectives Multiple sclerosis (MS) exhibits racially disparate rates of disease progression. Black people with MS (B‐PwMS) experience a more severe disease course than non‐Hispanic White people with MS (NHW‐PwMS). Here we investigated structural and functional connectivity as well as structure–function decoupling in the ...
Emilio Cipriano, Giacomo Boffa, Maria Petracca, Marta Ponzano, Nicole Graziano, Claire Wigley, Claire Riley, Jonathan Howard, Pietro Bontempi, Sylvia Klineova, Fred Lublin, Matilde Inglese   +11 more
wiley   +1 more source

Normal‐Appearing White Matter Injury Mediates Chronic Deep Venous Hypoxia and Disease Progression in Multiple Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To explore how cerebral hypoxia and Normal‐Appearing White Matter (NAWM) integrity affect MS lesion burden and clinical course. Methods Seventy‐nine MS patients, including 13 clinically isolated syndrome (CIS) patients and 66 relapsing–remitting multiple sclerosis (RRMS) patients, and 44 healthy controls (HCs) were recruited from ...
Xinli Wang, Huiying Wang, Zhizheng Zhuo, Ai Guo, Ke Lv, Decai Tian, Chao Chai, Yunyun Duan, Shuang Xia   +8 more
wiley   +1 more source

Influence of temperature and aging on polarization mode dispersion of tight-buffered optical fibers and cables

Journal of Telecommunications and Information Technology, 2005
This paper presents results of laboratory tests investigating influence of temperature on polarization mode dispersion (PMD) in variety of single mode optical fibers and cables.
Krzysztof Borzycki
doaj   +1 more source