Articles with "tunable broadband" as a keyword



Laser‐Inscribable, Moisture‐Responsive Cellulosic Supramolecular Structures with Tunable Broadband Coloration

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202406902

Abstract: Adaptive photonic films in response to external stimuli have broad applications in optical communications, sensing, and anticounterfeiting. Yet, it remains challenging to develop photonic structures with tailorable fine patterns that display broadband color changing under… read more here.

Keywords: broadband coloration; laser inscribable; tunable broadband; inscribable moisture ... See more keywords

Iontronically Tunable Broadband Graded Index Films

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202402410

Abstract: Tunable optical devices are of paramount importance in modern optical engineering, offering the flexibility to dynamically adjust key optical parameters, thus enhancing functionality and adaptability. In this study, a fresh approach is presented to achieve… read more here.

Keywords: broadband graded; index; graded index; tunable broadband ... See more keywords

A single Mn2+ ions activated fluosilicate glass with continuously tunable broadband emission from 475 nm to 800 nm

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Published in 2020 at "Journal of Luminescence"

DOI: 10.1016/j.jlumin.2020.117532

Abstract: Abstract Broadband phosphor-converted light-emitting diodes are replacing the conventional light sources in spectroscopy application owning to the high efficiency, long lifetime, and compactness. However, the broadband emission originated from multi-component phosphors exhibits low quantum efficiency… read more here.

Keywords: continuously tunable; glass; broadband emission; tunable broadband ... See more keywords

Tunable Broadband Electro-Optic Comb Generation Using an Optically Filtered Optoelectronic Oscillator

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Published in 2018 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2017.2788361

Abstract: Tunable electrooptic combs are generated in an optoelectronic oscillator that is optically filtered using a 100 000 finesse Fabry–Pérot etalon. Optical and electrical outputs of the oscillator are combined in a series of external phase… read more here.

Keywords: optoelectronic oscillator; oscillator; optically filtered; tunable broadband ... See more keywords

Tunable broadband filter based on lithium-niobate asymmetric Mach–Zehnder interferometer for coarse wavelength-division multiplexing applications

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Published in 2019 at "Optical Engineering"

DOI: 10.1117/1.oe.58.3.037101

Abstract: Abstract. Channel-select filtering technology is a very promising solution for realizing reconfigurable demultiplexing components required in a flexible coarse wavelength-division multiplexing system. Here, we propose and demonstrate an electro-optic tunable broadband filter based on an… read more here.

Keywords: wavelength division; filter; division multiplexing; tunable broadband ... See more keywords

Dynamically tunable broadband absorber/reflector based on graphene and VO2 metamaterials.

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Published in 2022 at "Applied optics"

DOI: 10.1364/ao.448619

Abstract: We propose a difunctional tunable broadband absorber/reflector consisting of a periodic cross-shaped graphene array and a vanadium dioxide (VO2) layer. When VO2 reflects the properties of metal, the proposed dual-function device is used as a… read more here.

Keywords: tunable broadband; broadband absorber; absorber; absorber reflector ... See more keywords

Thermally tunable broadband metamaterial absorbers based on ionic liquids.

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Published in 2022 at "Optics express"

DOI: 10.1364/oe.478254

Abstract: In this paper, we propose an interesting thermally tunable broadband metamaterial absorber based on ionic liquids at the microwave band, which has distinct modulation characteristics in different frequency bands. Numerical simulation results show that the… read more here.

Keywords: tunable broadband; frequency; ionic liquids; thermally tunable ... See more keywords

Tunable broadband polarization retarders.

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Published in 2024 at "Optics letters"

DOI: 10.1364/ol.528760

Abstract: We theoretically propose a type of tunable polarization retarder, which is composed of sequences of half-wave and quarter-wave polarization retarders, allowing operation at broad spectral bandwidth. The constituent retarders are composed of stacked standard half-wave… read more here.

Keywords: polarization retarders; retarder; broadband polarization; polarization ... See more keywords

Continuously tunable broadband adiabatic coupler for programmable photonic processors

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Published in 2025 at "Nanophotonics"

DOI: 10.1515/nanoph-2025-0402

Abstract: Abstract Programmable integrated photonic circuits are poised to drive a new revolution in information systems by synergizing with high-speed digital signals. Central to this vision is the ability to reconfigure optical signal processing for multi-functional… read more here.

Keywords: programmable photonic; adiabatic coupler; continuously tunable; tunable broadband ... See more keywords