Improving the sensitivity of the HC-PBF based gas sensor by optimization of core size and mode interference suppression
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02538-8
Abstract: A hollow-core photonic bandgap fiber for gas sensing with high sensitivity was designed. Some undesirable parameters like mode interference and propagation losses can deteriorate the performance of PBF. By selecting an accurate and reasonable size… read more here.
Keywords: mode interference; gas sensor; gas; sensitivity ... See more keywords
An impedance matching algorithm for common-mode interference removal in vagus nerve recordings
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Neuroscience Methods"
DOI: 10.1016/j.jneumeth.2019.108467
Abstract: BACKGROUND The peripheral nervous system is involved in a multitude of physiological functions. Recording neural signals provides information that can be used by diagnostic bioelectronic medicine devices, closed-loop neuromodulation therapies and other neuroprosthetic applications. The… read more here.
Keywords: impedance matching; interference; mode interference; common mode ... See more keywords
A 43.3-μW Biopotential Amplifier With Tolerance to Common-Mode Interference of 18 Vpp and T-CMRR of 105 dB in 180-nm CMOS
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2022.3185988
Abstract: In this article, we present an electrocardiogram (ECG) amplifier that has a large total CMRR (TCMRR) regardless of contact impedance mismatch and a large tolerance to common-mode interference (CMI). To achieve these features, an adaptive… read more here.
Keywords: mode interference; tolerance common; contact impedance; common mode ... See more keywords
Fiber-Optic Ultrasound Transmitter Based on Multi-Mode Interference in Curved Adhesive Waveguide
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.2964731
Abstract: Fiber-optic ultrasound transmitters can be used in structural health monitoring, material characterization, and biomedical imaging. However, the bandwidth of current fiber-optic ultrasound transmitters is tens of MHz which prevents the ultrasound image on cells with… read more here.
Keywords: optic ultrasound; multi mode; ultrasound; waveguide ... See more keywords
Tapered Assisted Dual Micro-Bubble-Device for Ultrasound Sensor
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Photonics Technology Letters"
DOI: 10.1109/lpt.2020.3018034
Abstract: A compact hybrid structure of silica taper-assisted dual micro-bubbles is proposed and fabricated for broadband ultrasound sensing. UV-cured adhesive is dripped on silica taper to form dual elliptic microbubbles at preselected position. Scattering and reflected… read more here.
Keywords: mode interference; multi mode; dual micro; assisted dual ... See more keywords
An 18.6-$\mu $W/Ch TDM-Based 8-Channel Noncontact ECG Recording IC With Common-Mode Interference Suppression
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Biomedical Circuits and Systems"
DOI: 10.1109/tbcas.2022.3229673
Abstract: This paper presents an 8-channel electrocardiogram (ECG) monitoring integrated circuit (IC) controlled by time-division multiplexing (TDM). The proposed TDM compensates the electrode DC offsets by forming an individual discrete-time feedback loop per channel while sharing… read more here.
Keywords: tdm; noncontact ecg; common mode; mode interference ... See more keywords
Compact nonvolatile 2×2 photonic switch based on two-mode interference.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.467736
Abstract: On-chip nonvolatile photonic switches enabled by phase change materials (PCMs) are promising building blocks for power-efficient programmable photonic integrated circuits. However, large absorption loss in conventional PCMs (such as Ge2Sb2Te5) interacting with weak evanescent waves… read more here.
Keywords: two mode; mode interference; switch; photonic switch ... See more keywords