Effects of dielectric substrates on piezoelectric transducer tunable filter
Sign Up to like & getrecommendations! Published in 2019 at "Microwave and Optical Technology Letters"
DOI: 10.1002/mop.31895
Abstract: This article represents the effects of dielectric substrates on the performances of piezoelectric transducer (PET) tunable bandpass filters. The filter consists of two open loop resonators that are coupled by a magnetic coupling. A capacitive… read more here.
Keywords: tunable filter; filter; dielectric substrates; piezoelectric transducer ... See more keywords
A varactor based tunable RF filter for multistandard wireless communication receivers
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.02.008
Abstract: Abstract This paper presents the design of a tunable RF filter dedicated for multistandard operation in Software Defined Radio (SDR) receivers. This filter is based on the Dual-Behaviour Resonators (DBR) topology realized in microstrip technology… read more here.
Keywords: multistandard wireless; wireless communication; varactor based; based tunable ... See more keywords
Design of multi-wavelength tunable filter based on Lithium Niobate
Sign Up to like & getrecommendations! Published in 2018 at "Optics Communications"
DOI: 10.1016/j.optcom.2018.01.027
Abstract: Abstract A multi-wavelength tunable filter is designed. It consists of multiple waveguides among multiple waveguide gratings. A pair of electrodes were placed on both sides of each waveguide. The tunable filter uses the electro-optic effect of… read more here.
Keywords: tunable filter; multi wavelength; filter; lithium niobate ... See more keywords
Acousto-optic tunable filter chromatic aberration analysis and reduction with auto-focus system
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2018.1454523
Abstract: Abstract An acousto-optic tunable filter (AOTF) displays optical band broadening and sidelobes as a result of the coupling between the acoustic wave and optical waves of different wavelengths. These features were analysed by wave-vector phase… read more here.
Keywords: image; system; acousto optic; tunable filter ... See more keywords
Nano-optomechanical characterization of surface-plasmon-based tunable filter integrated with comb-drive actuator
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/aa5aa7
Abstract: We report a tunable plasmonic color filter consisting of a metamaterial periodic grating and microelectromechanical systems (MEMS) actuator. An aluminum subwavelength grating is integrated with electrostatic comb-drive actuators to expand the metal subwavelength period, which… read more here.
Keywords: tunable filter; nano optomechanical; surface; filter ... See more keywords
Zoom optical system design for acousto-optic tunable filter camera assisted by programming multidimensional analysis.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.461525
Abstract: A medium infrared 12× continuous zoom optical system serving for an acousto-optic tunable filter spectral camera has been designed covering a 25-300 mm zooming range. Instead of relying on past experience for roughly determining the… read more here.
Keywords: optic tunable; acousto optic; zoom optical; tunable filter ... See more keywords
Aerial target spatial-spectral discrimination for imaging spectrometer based on the acousto-optic tunable filter.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.456295
Abstract: To solve the problem caused by jamming, an acousto-optic tunable filter (AOTF)-based imaging spectrometer and a corresponding spatial-spectral discrimination method are proposed for aerial targets. The system has the capability of staring imaging and is… read more here.
Keywords: optic tunable; spatial spectral; imaging spectrometer; acousto optic ... See more keywords
Analysis on the Influence of Incident Light Angle on the Spatial Aberrations of Acousto-Optical Tunable Filter Imaging
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15134464
Abstract: Acousto-optical tunable filter (AOTF) does not conform to the pinhole model due to the acousto-optic interaction. A calculation method of AOTF aberrations under the condition of incident light with a large arbitrary angle is proposed… read more here.
Keywords: optical tunable; incident light; acousto optical; tunable filter ... See more keywords
Optical Characterization of Thin Films by Surface Plasmon Resonance Spectroscopy Using an Acousto-Optic Tunable Filter
Sign Up to like & getrecommendations! Published in 2023 at "Materials"
DOI: 10.3390/ma16051820
Abstract: The paper presents the application of the acousto-optic tunable filter (AOTF) in surface plasmon resonance (SPR) spectroscopy to measure the optical thickness of thin dielectric coatings. The technique presented uses combined angular and spectral interrogation… read more here.
Keywords: surface plasmon; optic tunable; acousto optic; spectroscopy ... See more keywords