Articles with "frequency tuning" as a keyword



Analysis of the Methods of Discrete and Smooth Frequency Tuning in Gyrotrons for Spectroscopy, on the Example of a Generator Operated in the 0.20–0.27 THz Frequency Range

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Published in 2018 at "Radiophysics and Quantum Electronics"

DOI: 10.1007/s11141-018-9905-4

Abstract: We consider the main features of a low-power frequency-tunable gyrotron with an oversized cavity, which is designed for the purposes of nuclear magnetic resonance spectroscopy and other applications and operates in the 0.20–0.27 frequency range… read more here.

Keywords: frequency range; frequency; smooth frequency; spectroscopy ... See more keywords

Laser-Induced Frequency Tuning of Fourier-Limited Single-Molecule Emitters.

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Published in 2020 at "ACS nano"

DOI: 10.1021/acsnano.0c05620

Abstract: The local interaction of charges and light in organic solids is the basis of distinct and fundamental effects. We here observe, at the single molecule scale, how a focused laser beam can locally shift by… read more here.

Keywords: molecule; single molecule; laser induced; induced frequency ... See more keywords

Simultaneous Multifrequency (SiMFy) Stimulus: A Novel and Reliable Stimulus for Frequency Tuning of Ocular Vestibular-Evoked Myogenic Potentials.

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Published in 2022 at "Journal of the American Academy of Audiology"

DOI: 10.1055/s-0042-1744488

Abstract: BACKGROUND  Frequency tuning of ocular vestibular evoked myogenic potential (oVEMP) refers to the frequency of tone burst that produces the largest amplitude oVEMP. There is an ever-growing pool of published studies that found the frequency… read more here.

Keywords: tuning ocular; frequency tuning; ocular vestibular; stimulus ... See more keywords
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Intrinsic frequency Tuning of terahertz Quantum-cascade lasers

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Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5024480

Abstract: We have studied the intrinsic frequency tuning of several terahertz (THz) quantum-cascade lasers (QCLs) based on a hybrid design. With increasing driving current, most QCLs exhibit either a redshift or a blueshift, while some QCLs… read more here.

Keywords: tuning terahertz; cascade lasers; intrinsic frequency; quantum cascade ... See more keywords

Design and analysis of Minkowski fractal antenna for wideband THz frequency tuning/multiband operation in a MIMO antenna system

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Published in 2023 at "Journal of Applied Physics"

DOI: 10.1063/5.0142554

Abstract: The proposed Minkowski fractal antenna design achieves wideband and continuous frequency tuning in a multiple-input and multiple-output (MIMO) antenna system. By manipulating the fractal geometry of the unit antenna element, the resonance frequency of the… read more here.

Keywords: frequency tuning; minkowski fractal; fractal antenna; frequency ... See more keywords

Mechanism of electrically tunable bulk acoustic wave resonator: Piezoelectric effect or acoustoelectric effect?

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Published in 2025 at "AIP Advances"

DOI: 10.1063/5.0297370

Abstract: This article presents a systematic investigation of electrically tunable bulk acoustic wave (BAW) resonators composed of piezoelectric and semiconductor composite layers, analyzed through the framework of multiphysics coupling. By explicitly separating the contributions of the… read more here.

Keywords: frequency tuning; effect; acoustic wave; electrically tunable ... See more keywords

Air-Conducted Vestibular Evoked Myogenic Potential Testing in Children, Adolescents, and Young Adults: Thresholds, Frequency Tuning, and Effects of Sound Exposure

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Published in 2019 at "Ear and Hearing"

DOI: 10.1097/aud.0000000000000607

Abstract: Objectives: Pediatric vestibular evaluations incorporate cervical and ocular vestibular evoked myogenic potential (c- and oVEMP, respectively) testing; however, in children, c- and oVEMP thresholds have been minimally investigated and frequency tuning is unknown. Children are… read more here.

Keywords: frequency tuning; young adults; spl; vemp ... See more keywords

A Horst-Type Power Divider With Wide Frequency Tuning Range Using Varactors

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Published in 2019 at "IEEE Access"

DOI: 10.1109/access.2018.2889222

Abstract: This paper presents a novel power divider with a wide frequency tuning range. In our previous work, a pair of capacitors were connected in parallel with the front transmission lines of a Trantanella-type power divider… read more here.

Keywords: power divider; frequency tuning; tuning range; power ... See more keywords

Communication-Less Receiver-Side Resonant Frequency Tuning for Magnetically Coupled Wireless Power Transfer Systems

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Published in 2023 at "IEEE Access"

DOI: 10.1109/access.2023.3251987

Abstract: Compensating for deviations in the resonant frequency is crucial in magnetic resonance coupling wireless power transfer (WPT) systems. Thus, this study proposes a communication-less receiver-side resonant frequency-tuning scheme that compensates for the reactance in the… read more here.

Keywords: wireless power; frequency tuning; frequency; resonant frequency ... See more keywords

A Low-Profile Patch-Loaded Ring Antenna With Wide Frequency Tuning Capability for Dual-Band Metal-Mountable Tag Design

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Published in 2024 at "IEEE Access"

DOI: 10.1109/access.2024.3505217

Abstract: A low-profile, dual-band tag antenna (39 mm $\times 39$ mm $\times 1.38$ mm), which is loaded with a circular patch at the central region for frequency tuning purposes, has been proposed for on-metal applications that… read more here.

Keywords: frequency tuning; dual band; uhf rfid; band ... See more keywords

Delay-Controlled Frequency Tuning of a MEMS Sensor for Neuromorphic Acoustic Sensing

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Published in 2025 at "IEEE Access"

DOI: 10.1109/access.2025.3546435

Abstract: Frequency tunability marks the ability to change the characteristic frequency of an oscillator. For MEMS sensors, this is usually achieved by exploiting a sophisticated geometry with a nonlinear stress-strain relationship. This is known as active… read more here.

Keywords: frequency tuning; neuromorphic acoustic; mems sensor; geometry ... See more keywords