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   Articles with "multimode" as a keyword



High‐Efficiency Transmissive Programmable Metasurface for Multimode OAM Generation

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recommendations! Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202000570

Abstract: Metasurfaces have been extensively studied for generating electromagnetic waves carrying orbital angular momentum (OAM). In particular, programmable metasurfaces enable real‐time switching between multiple OAM modes in a digital manner. However, the current programmable metasurfaces are… read more here.

Keywords: metasurface; transmissive programmable; programmable metasurface; efficiency ... See more keywords

Water wave gauge based on singlemode-multimode-singlemode fiber structure

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recommendations! Published in 2017 at "Optik"

DOI: 10.1016/j.ijleo.2017.06.099

Abstract: A simple wave gauge that uses a single-mode-multimode-single-mode (SMS) fiber structure is investigated in this paper. The SMS interferometer is packaged with Cr-39 plastic polymer plates in order to gauge water waves in the laboratory… read more here.

Keywords: fiber structure; structure; wave gauge; water wave ... See more keywords

Modulation transfer function of the imaging probe using an 8.8 mm-long and 125 µm-thick graded- index short multimode fiber

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recommendations! Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.10.007

Abstract: Abstract We measured the modulation transfer function (MTF) of a short multimode fiber (SMMF) probe and proposed the optical model including the thin random phase screen (TRPS) to explain degradations of imaging characteristics. SMMF is… read more here.

Keywords: multimode fiber; modulation transfer; transfer function; short multimode ... See more keywords

High-sensitivity thermometer based on singlemode-multimode FBG-singlemode fiber

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recommendations! Published in 2017 at "Optics and Laser Technology"

DOI: 10.1016/j.optlastec.2017.05.031

Abstract: Abstract A fiber Bragg grating (FBG) sensing configuration for temperature measurement based on singlemode–multimode FBG–singlemode fiber was proposed and experimentally demonstrated. The configuration was formed by fabricating an FBG in a multimode fiber, which was… read more here.

Keywords: singlemode; singlemode multimode; sensitivity; based singlemode ... See more keywords
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Experimental multimode traveling waves identification in an acoustic waveguide

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recommendations! Published in 2021 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2020.107515

Abstract: Abstract An essential part of nondestructive testing and experimental modeling of waveguides is the decomposition of propagating wave patterns. The traveling wave ratio is a measure of partial reflections assisting in quantifying the pureness of… read more here.

Keywords: multimode traveling; waves identification; traveling waves; experimental multimode ... See more keywords

Numerical mode decomposition for multimode fiber: From multi-variable optimization to deep learning

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recommendations! Published in 2019 at "Optical Fiber Technology"

DOI: 10.1016/j.yofte.2019.101960

Abstract: Abstract Multimode fibers are gaining a resurgence of interest in both fundamental and applied research in recent years. Thanks to the ability to see the weights and relative phase of the multimode fiber modes, mode… read more here.

Keywords: multi variable; multimode; variable optimization; fiber ... See more keywords

Brightness enhancement on random-distributed-feedback Raman fiber lasers pumped by multimode diodes

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recommendations! Published in 2024 at "High Power Laser Science and Engineering"

DOI: 10.1017/hpl.2024.8

Abstract: Abstract The power scaling on short wavelength (SW) fiber lasers operating around 1 μm are in significant demand for applications in energy, environment and industry. The challenge for performance scalability of high-power SW lasers based… read more here.

Keywords: fiber lasers; random distributed; multimode; distributed feedback ... See more keywords

Multilevel Approach for Direct VSCF/VCI MULTIMODE Calculations with Applications to Large "Zundel" Cations.

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recommendations! Published in 2018 at "Journal of chemical theory and computation"

DOI: 10.1021/acs.jctc.8b00679

Abstract: We test existing efficient schemes for the "direct-dynamics" approach in building a potential energy surface (PES) in the code MULTIMODE. These are (1) the n-mode representation (nMR) approach to the PES, (2) the exploitation of… read more here.

Keywords: direct vscf; vscf vci; multimode; multilevel approach ... See more keywords
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Efficient harmonic generation in an adiabatic multimode submicron tapered optical fiber

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recommendations! Published in 2021 at "Communications Physics"

DOI: 10.1038/s42005-021-00677-2

Abstract: Optical nanotapers fabricated by tapering optical fibers have attracted considerable interest as an ultimate platform for high-efficiency light-matter interactions. While previously demonstrated applications relied exclusively on the low-loss transmission of only the fundamental mode, the… read more here.

Keywords: harmonic generation; optics; fiber; multimode submicron ... See more keywords

Multistimuli-Responsive and Multimode Azoquinoline Chiroptical Switches

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recommendations! Published in 2025 at "Organic Chemistry Frontiers"

DOI: 10.1039/d5qo00469a

Abstract: Chiroptical switches combine molecular switches and chiral signaling modulation, and controllable multiresponsive and multistate chiroptical switching remains challenging. Herein we reported azoquinoline based chiroptical switches with multistimuli responsiveness and multimode... read more here.

Keywords: multimode; responsive multimode; switches multistimuli; chiroptical switches ... See more keywords

1.7 μm all-fiber Tm-doped mode-locked laser with narrow bandwidth filtering based on the nonlinear multimode interference effect

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recommendations! Published in 2025 at "Laser Physics"

DOI: 10.1088/1555-6611/adb4c8

Abstract: The mode-locked (ML) all-fiber lasers with a linear cavity, using a single-mode-graded-index multimode-single-mode (SMS) device or a single-mode-few-mode-single-mode (SFS) device, are proposed and experimentally demonstrated. The homemade SMS or SFS devices work on the principle… read more here.

Keywords: nonlinear multimode; mode; mode locked; multimode ... See more keywords