Design and analysis of a novel four‐channel optical filter using ring resonators and line defects in photonic crystal microstructure
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-02743-z
Abstract: In this paper, we report a new design of an all-optical filter using photonic crystal microstructure. Ring resonators, line defects, scatterer rods, microcavities, and coupling rods are used to form the filter in order to… read more here.
Keywords: optical filter; filter; photonic crystal; output ... See more keywords
Novel design and analysis of a solar PVT system using LFR concentrator and nano-fluids optical filter
Sign Up to like & getrecommendations! Published in 2021 at "Case Studies in Thermal Engineering"
DOI: 10.1016/j.csite.2021.101328
Abstract: Abstract The current study proposes a novel solar PV and thermal (PVT) system based on the combination of linear Fresnel reflector (LFR) concentrator and ITO-EG nano-fluids optical filter. Preparation and relevant measurements of the ITO… read more here.
Keywords: nano fluids; system; pvt system; optical filter ... See more keywords
Deposited poly-Si as on-demand linewidth compensator for on-chip Fabry–Perot interferometer and vertical linear variable optical filter bandpass and passband manipulation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Micromechanics and Microengineering"
DOI: 10.1088/1361-6439/ab035c
Abstract: Deep reactive ion etching (DRIE) is an important process for etching vertical structures for microelectromechanical systems. Due to the sidewall profile of some photoresists as well as effects from upstream processes, bulk micromachined structures, to… read more here.
Keywords: variable optical; optical filter; perot interferometer; fabry perot ... See more keywords
Integrated Optical Filter Using Spiral-Based Cascaded Mach–Zehnder Interferometers
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Photonics Journal"
DOI: 10.1109/jphot.2019.2940564
Abstract: We have proposed a new compact integrated optical filter based on cascaded Mach-Zehnder interferometers (MZIs), and designed corresponding coupling structures without S-bend. The wavelength dependence and fabrication tolerance of coupling structures constructed in straight waveguides… read more here.
Keywords: integrated optical; mach zehnder; optical filter; filter ... See more keywords
Reconfigurable All-Optical Logic Gates (AND, NOR, NOT, OR) With Quantum-Dot Semiconductor Optical Amplifier and Optical Filter
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Selected Topics in Quantum Electronics"
DOI: 10.1109/jstqe.2020.3023807
Abstract: All-optical logic gates are indispensable modules for executing exclusively by means of light fundamental Boolean operations. Despite intense research in this field, most efforts have not treated these gates in a joint design and operating… read more here.
Keywords: dot semiconductor; quantum dot; optical filter; logic gates ... See more keywords
High-selectivity neural probe based on a Fabry–Perot optical filter and a CMOS silicon photodiodes array at visible wavelengths
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Biomedical Optics"
DOI: 10.1117/1.jbo.23.10.105004
Abstract: Abstract. This paper presents a silicon neural probe with a high-selectivity optical readout function and light emitting diodes for neurons photostimulation and fluorophore excitation. A high-selectivity Fabry–Perot optical filter on the top of a CMOS… read more here.
Keywords: neural probe; filter; optical filter; high selectivity ... See more keywords
Parity-time–symmetric optoelectronic oscillator
Sign Up to like & getrecommendations! Published in 2018 at "Science Advances"
DOI: 10.1126/sciadv.aar6782
Abstract: A parity-time–symmetric optoelectronic oscillator was demonstrated without the use of a narrowband microwave or optical filter. An optoelectronic oscillator (OEO) is a hybrid microwave and photonic system incorporating an amplified positive feedback loop to enable… read more here.
Keywords: parity time; optical filter; optoelectronic oscillator;
D-band signal generation and transmission without optical filter based on optical carrier suppression and single-sideband modulation.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.447253
Abstract: We experimentally demonstrated a novel and simple scheme to generate D-band millimeter-wave (mm-wave) signal without optical filter based on optical carrier suppression (OCS) and single-sideband (SSB). One intensity modulator (IM) driven by radio frequency (RF)… read more here.
Keywords: filter based; filter; sideband; optical filter ... See more keywords
Numerical simulation model of an optical filter using an optical vortex.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.466181
Abstract: Vortex beam has the potential to significantly improve the performance of lidar (light detection and ranging) and optical communication applications in which low signal-to-noise ratio (SNR) limits the detection/transmission range. The vortex beam method allows… read more here.
Keywords: optical filter; model optical; simulation model; optical vortex ... See more keywords
Optical filter wavefront distortion: out-of-band to in-band predictions and the effect of the illumination source bandwidth.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/oic.2022.tea.1
Abstract: The wavefront distortion (WFD) of a surface with an optical filter coating is ideally measured at the operating wavelength (λ) and angle of incidence (θ) of the filter. However, this is not always possible, requiring… read more here.
Keywords: band; optical filter; filter; wavefront ... See more keywords
Clinical Evaluation of the Optical Filter for Autofluorescence Glasses for Oral Cancer Curing Light Exposed (GOCCLES®) in the Management of Potentially Premalignant Disorders: A Retrospective Study
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Environmental Research and Public Health"
DOI: 10.3390/ijerph19095579
Abstract: Background: Any oral potentially malignant disorders (OPMDs) must be regularly monitored through clinical examination to detect any possible malignant transformation. Conventional intraoral exams, however, can be difficult because these conditions may resemble benign lesions. For… read more here.
Keywords: optical filter; autofluorescence glasses; autofluorescence; glasses oral ... See more keywords