Results 11 to 20 of about 234,387 (296)

Optical fiber flowmeter based on a single mode-multimode-single mode structure

open access: yesFrontiers in Sensors, 2022
Single mode-Multimode-Single mode (SMS) sensors have been attracted a relevant attention because of their simple manufacturing, their capability of sensing different quantities, and their enhanced sensitivity compared to the most common fiber optic ...
Massimo Olivero   +4 more
doaj   +1 more source

Calculation of effective mode field area of photonic crystal fiber with digital image processing algorithm [PDF]

open access: yesКомпьютерная оптика, 2018
Photonic crystal fiber as a new type of optical fiber has been extensively applied because of its unique properties. The effective mode area of optical fiber is an important parameter, which has a great influence on the performance of optical fiber.
Yili Tan, Honglian Wang, Yourong Wang
doaj   +1 more source

One KHz Order Narrow Linewidth Fiber Laser Using Rayleigh Backscattering Mechanism in an Additional Piece Optical Fiber

open access: yesPhotonics, 2022
A simple, low-cost, single-longitudinal mode, C-band narrow-linewidth optical fiber laser is presented based on the methodology of the Rayleigh backscattering (RBS).
Zi Wang   +7 more
doaj   +1 more source

Design of Single Mode Fiber for Optical Communications

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2020
In this work, a step-index fiber with core index  and cladding index  has been designed. Single-mode operation can be obtained by using a fiber with core diameters 4–13 µm operating at a wavelength of 1.31 µm and by 4–15 µm at 1.55 µm.
Aqeel R. Salih
doaj   +1 more source

A Novel Trench-Assisted Optical Fiber With Ultra-Low Microbending Loss for the Full Ocean Depth Communication

open access: yesIEEE Photonics Journal, 2023
A novel trench-assisted optical fiber with ultra-low microbending loss is proposed, which contains two trenches beside the core. The deformation distribution of the fiber axis caused by the wire mesh is in agreement with a Gaussian curve through the ...
Ruipu Li   +5 more
doaj   +1 more source

Multi-channel fiber-optic temperature sensor system using an optical time-domain reflectometer

open access: yesResults in Physics, 2018
In this study, we developed a multi-channel fiber-optic temperature sensor system (FTSS) using an optical time-domain reflectometer (OTDR). The developed FTSS consists of fiber-optic temperature-sensing probes, a fiber-optic coupler, a transmitting ...
H.J. Kim   +6 more
doaj   +1 more source

Efficient fiber-optical interface for nanophotonic devices [PDF]

open access: yes, 2014
We demonstrate a method for efficient coupling of guided light from a single mode optical fiber to nanophotonic devices. Our approach makes use of single-sided conical tapered optical fibers that are evanescently coupled over the last ~10 um to a ...
de Leon, N. P.   +6 more
core   +2 more sources

Efficient quantum dot single photon extraction into an optical fiber using a nanophotonic directional coupler [PDF]

open access: yes, 2011
We demonstrate a spectrally broadband and effcient technique for collecting photoluminescence from a single InAs quantum dot directly into a standard single mode optical fiber.
Badolato, A.   +5 more
core   +2 more sources

Nano-engineered optical fibers and applications1

open access: yesNanophotonics, 2013
The paper reviews optical fibers with nano-engineered features and methods to fabricate them. These optical fibers have nano-engineered regions comprising of randomly distributed voids which provide unique properties for designing next generation of ...
Tandon Pushkar   +4 more
doaj   +1 more source

Wavelength-Switchable Single-Longitudinal- Mode Thulium-Doped Fiber Laser With Sampled Fiber Bragg Grating

open access: yesIEEE Access, 2021
A wavelength-switchable single-longitudinal-mode thulium-doped fiber laser using a sampled fiber Bragg grating is proposed in this study. The laser can be switched between three single-wavelength and three dual-wavelength modes of operation.
Wenguo Han   +9 more
doaj   +1 more source

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