Results 1 to 10 of about 47,152 (263)
Crystals, 2021 In this paper we investigate the temperature dependent behavior of a liquid crystal (LC) loaded tunable dielectric image guide (DIG) phase shifter at millimeter-wave frequencies from 80 GHz to 110 GHz for future high data rate communications.
Henning Tesmer +5 more
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Reconfigurable Liquid Crystal Dielectric Image Line Leaky Wave Antenna at W-Band
IEEE Journal of Microwaves, 2022 This paper presents a reconfigurable dielectric image line leaky wave antenna at W-band. Reconfigurability is achieved by applying bias to anisotropic liquid crystal (LC) filled into the antenna. Instead of separating RF components and DC-bias network by
Henning Tesmer +4 more
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Bandwidth and Center Frequency Reconfigurable Waveguide Filter Based on Liquid Crystal Technology
IEEE Journal of Microwaves, 2022 This paper presents for the first time a fully electronically reconfigurable waveguide filter tunable in bandwidth and center frequency based on liquid crystal (LC) technology.
Fynn Kamrath +10 more
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IEEE Photonics Journal, 2014 An equivalent-asymmetric coupling coefficient (EACC) distributed feedback laser (DFB) semiconductor laser with equivalent-half apodization grating (EHAG) structure is proposed and experimentally demonstrated for the first time; the EHAG profile is ...
Junshou Zheng +7 more
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Reconfigurable Millimeter-Wave Components Based on Liquid Crystal Technology for Smart Applications
Crystals, 2020 This paper presents recent development of tunable microwave liquid crystal (LC) components in the lower millimeter wave (mmW) regime up to the W-band. With the utilization of increasing frequency, conventional metallic waveguide structures prove to be ...
Ersin Polat +7 more
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Novel Hybrid Electric/Magnetic Bias Concept for Tunable Liquid Crystal Based Filter
IEEE Journal of Microwaves, 2022 This paper presents a novel hybrid bias concept for liquid crystal (LC) filter by using simultaneously electric and magnetic bias fields. It enables continuous tuning with a simplified electrode design, decreased number of electrodes and reduced bias ...
Ersin Polat +8 more
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Российский технологический журнал, 2016 There are highlighted fundamental and practical advantages referred to introduction of the new interdisciplinary scientific and technological direction, that is, microwave photonics, in modern and perspective radio means of a dual purpose.
M. E. Belkin, S. A. Kudzh, A. S. Sigov
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Microwave Photonic Filters and Applications
Photonics, 2023 Microwave photonics is a promising and rapidly developing interdisciplinary field. It combines microwave and photonic techniques to generate, transmit, process, and manipulate microwave signals by using the advantages of broadband, high frequency, and ...
Yi Zhou +4 more
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Dispersive Fourier Transformation for Versatile Microwave Photonics Applications [PDF]
, 2014 : Dispersive Fourier transformation (DFT) maps the broadband spectrum of an ultrashort optical pulse into a time stretched waveform with its intensity profile mirroring the spectrum using chromatic dispersion.
Baraniuk +10 more
core +3 more sources
IEEE Photonics Journal, 2014 The high accuracy of lasing wavelength spacing is one of the key requirements of a distributed feedback (DFB) semiconductor laser array. However, the nonuniformity of the wavelength spacing is increasingly deteriorating with the increase in the channel ...
Yuechun Shi +5 more
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