Results 41 to 50 of about 735,136 (286)

Brillouin lasing in single-mode tapered optical fiber with inscribed fiber Bragg grating array

Results in Physics, 2018
A tapered optical fiber has been manufactured with an array of fiber Bragg gratings (FBG) inscribed during the drawing process. The total fiber peak reflectivity is 5% and the reflection bandwidth is ∼3.5 nm. A coherent frequency domain reflectometry has
S.M. Popov, O.V. Butov, Y.K. Chamorovskiy, V.A. Isaev, A.O. Kolosovskiy, V.V. Voloshin, I.L. Vorob'ev, M.Yu. Vyatkin, P. Mégret, M. Odnoblyudov, D.A. Korobko, I.O. Zolotovskii, A.A. Fotiadi   +12 more
doaj   +1 more source

Designing dispersion- and mode-area-decreasing holey fibers for soliton compression [PDF]

, 2007
We investigate numerically the adiabatic compression of solitons at 1.55 µm in holey fibers which exhibit simultaneously decreasing dispersion and effective mode area.
Tse, M.L.V., Horak, P., Richardson, D.J., Poletti, F.   +3 more
core   +2 more sources

The New Tapered Fiber Connector and the Test of Its Error Rate and Coupling Characteristics

International Journal of Optics, 2017
Since the fiber core is very small, the communication fiber connector requires high precision. In this paper, the effect of lateral deviation on coupling efficiency of fiber connector is analyzed.
Qinggui Hu, Chengzhong Li
doaj   +1 more source

Tapered Polymer Fiber Inclinometers

IEEE Photonics Journal, 2020
This work proposes a novel, highly sensitive, and simple structure based on a tapered polymer as a tilt fiber sensor to sensitively measure tilt angles (θ).The fiber-optic tilt sensor consists of a tapered polymer and single-mode fibers (SMF), into
Cheng-Ling Lee, Rui-Cheng Zeng, Chun-Ren Yang, Chi-Feng Lin, Chao-Tsung Ma, Wen-Fung Liu   +5 more
doaj   +1 more source

High energy oscillator-amplifier with tapered rod-type multicore fiber

, 2022
In-house fabricated Ytterbium-doped rod-type multicore fibers (MCFs) with 4x4 cores were used to generate and amplify ns-class pulses to energies up to 37 mJ.
Limpert, Jens, Karst, Maximilian, Steinkopff, Albrecht, Haarlammert, Nicoletta, Klenke, Arno, Schreiber, Thomas, Jáuregui-Misas, César, Nold, Johannes, Kuhn, Stefan, Jauregui, Cesar, Aleshire, Christopher   +10 more
core   +1 more source

Microbiome‐blood–brain barrier interactions in aging — mechanisms and therapeutic potential

FEBS Letters, EarlyView.
Aging reshapes the gut microbiome (↓SCFA‐producing commensals; ↑pro‐inflammatory outputs), shifting circulating metabolites (↓SCFAs; ↑LPS, ↑TMAO, ↑PAA) that act at the BBB to increase nonspecific transcytosis, alter transport, and promote astrocyte reactivity, heightening brain vulnerability.
Daniel Cuervo‐Zanatta, Hari Baskar Balasubramanian, Amir Pasokh, Marietta Zille   +3 more
wiley   +1 more source

Mode evolution in long tapered fibers with high tapering ratio

Optics Express, 2012
We have experimentally studied fundamental mode propagation in few meters long, adiabatically tapered step-index fibers with high numerical aperture, core diameter up to 117 μm (V = 38) and tapering ratio up to 18. The single fundamental mode propagation was confirmed by several techniques that reveal no signature of higher-order mode excitation.
Juho, Kerttula, Valery, Filippov, Vasily, Ustimchik, Yuri, Chamorovskiy, Oleg G, Okhotnikov   +4 more
openaire   +2 more sources

Spatial and single‐nuclei transcriptomics reveals idiosyncratic and generic patterns in papillary and anaplastic thyroid cancers

Molecular Oncology, EarlyView.
Matched spatial transcriptomics and single‐nuclei RNA‐seq were generated for anaplastic and BRAFV600E papillary thyroid cancers revealing generic and tumor‐specific states occurring in cancer cells and in the tumor microenvironment. In this context, cancer dedifferentiation mirrored organoid maturation through ordered thyroid marker gain/loss ...
Adrien Tourneur, Joel Rodrigues Vitória, Manuel Saiselet, Ligia Craciun, Denis Larsimont, Anne Lefort, Frédérick Libert, Carine Maenhaut, Sabine Costagliola, Maxime Tarabichi, Mirian Romitti, Vincent Detours   +11 more
wiley   +1 more source

Advancing environmental sensing with tapered optical fibers: structures, challenges, and applications

Journal of Physics Communications
Understanding biological environmental information is essential for functions related to human life activities. Tapered optical fibers reduce some of the limitations of such devices.
Han Tie Xin, Y Zhou, Bakr Ahmed Taha, Nur Nadia Bachok, Nurfarhana Mohd Sapiee, L S Supian, Norhana Arsad   +6 more
doaj   +1 more source

Tapered Multicore Fiber for Lensless Endoscopes

ACS Photonics, 2022
We present a novel fiber-optic component, a "tapered multi-core fiber (MCF)", designed for integration into ultra-miniaturized endoscopes for minimally invasive two-photon point-scanning imaging and to address the power delivery issue that has faced MCF based lensless endoscopes.
El Moussawi, Fatima, Hofer, Matthias, Labat, Damien, Cassez, Andy, Bouwmans, Géraud, Sivankutty, Siddharth, Cossart, Rosa, Vanvincq, Olivier, Rigneault, Hervé, Ravn Andresen, Esben   +9 more
openaire   +3 more sources