Integrated Optical Amplifier–Photodetector on a Wearable Nanocellulose Substrate
Sign Up to like & getrecommendations! Published in 2018 at "Advanced Optical Materials"
DOI: 10.1002/adom.201800201
Abstract: Flexible optoelectronics has emerged as an outstanding platform to pave the road toward vanguard technology advancements. As compared to conventional rigid substrates, a flexible technology enables mechanical deformation while maintaining stable performance. The advantages include… read more here.
Keywords: optical amplifier; photodetector; amplifier; amplifier photodetector ... See more keywords
Capacitive cancellation technique in design of CMOS low noise amplifier for ultrasound applications
Sign Up to like & getrecommendations! Published in 2017 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-017-0936-0
Abstract: In this paper active capacitive cancellation technique, is proposed for alleviating the side effects of the parasitic capacitance of the ultrasound piezoelectric probe and cable. This parasitic capacitance imposes a low frequency pole at the… read more here.
Keywords: technique; capacitive cancellation; circuit; amplifier ... See more keywords
Enhanced gain bandwidth of Tm3+ and Er3+ doped tellurite glasses for broadband optical amplifier
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Non-Crystalline Solids"
DOI: 10.1016/j.jnoncrysol.2019.119501
Abstract: Abstract In this work, (90-x-y)TeO2-10GeO2-(x)Tm2O3-(y)Er2O3 composition of germano-tellurite glasses were synthesized by traditional melting and quenching technique and the spectroscopic properties of synthesized glasses were investigated. The values of Judd-Ofelt (JO) intensity parameters (Ωt(t = 2, 4, 6)), spontaneous… read more here.
Keywords: broadband optical; gain bandwidth; tellurite glasses; optical amplifier ... See more keywords
High-power mid-infrared femtosecond master-oscillator power-amplifier Er:ZBLAN fiber laser system
Sign Up to like & getrecommendations! Published in 2023 at "High Power Laser Science and Engineering"
DOI: 10.1017/hpl.2023.42
Abstract: . High-power femtosecond mid-infrared (MIR) lasers are of vast importance to both fundamental research and applications. We report a high-power femtosecond MOPA laser system consisting of a single-mode Er:ZBLAN fiber mode-locked oscillator and pre-amplifier followed… read more here.
Keywords: laser system; amplifier; power; high power ... See more keywords
Analytical distortion calculation method for CMOS amplifier stages
Sign Up to like & getrecommendations! Published in 2020 at "Electronics Letters"
DOI: 10.1049/el.2020.0824
Abstract: Operational amplifiers (opamps) are often designed in stages. Distortion analysis of multistage opamps is challenging due to multiple non-linearity sources. Therefore, one effective analysis method is to consider a multistage opamp model as a cascade… read more here.
Keywords: distortion; method; calculation method; amplifier ... See more keywords
An active inductor employing a new four terminal floating nullor transconductance amplifier (FTFNTA)
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Electronics"
DOI: 10.1080/00207217.2019.1672807
Abstract: ABSTRACT In this scientific study, a new analog active building block named as four terminal floating nullor transconductance amplifier (FTFNTA) is implemented. The FTFNTA design offers a combined essence of both traditional four terminal floating… read more here.
Keywords: terminal floating; floating nullor; topology; inductor ... See more keywords
A versatile Lock-In d igital Amplifier (LI d A): the case of mechanical resonances
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Physics"
DOI: 10.1088/1361-6404/aa6606
Abstract: The assembly of a Lock-In digital Amplifier (LIdA) from widely accessible ready-made modules is presented. This equipment, which does not require any advanced knowledge of electronics or programming, may introduce the experimenter to resonant techniques… read more here.
Keywords: versatile lock; lock igital; igital amplifier; amplifier ... See more keywords
Signal conditioning using logarithmic amplifier for biomedical applications of EIT.
Sign Up to like & getrecommendations! Published in 2020 at "Physiological measurement"
DOI: 10.1088/1361-6579/abc1b4
Abstract: The aim of this study was to explore the use of a logarithmic amplifier to improve the spatial resolution of a low-cost Electrical Impedance Tomography (EIT) system. In an EIT system, the measured signal has… read more here.
Keywords: resolution; eit system; signal conditioning; amplifier ... See more keywords
2.43 kW narrow linewidth linearly polarized all-fiber amplifier based on mode instability suppression
Sign Up to like & getrecommendations! Published in 2017 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/aa760b
Abstract: We demonstrate an experimental study on scaling mode instability (MI) threshold in fiber amplifiers based on fiber coiling. The experimental results show that coiling the active fiber in the cylindrical spiral shape is superior to… read more here.
Keywords: linewidth linearly; mode instability; fiber; amplifier ... See more keywords
A low-voltage sense amplifier with two-stage operational amplifier clamping for flash memory*
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/38/4/045001
Abstract: A low-voltage sense amplifier with reference current generator utilizing two-stage operational amplifier clamp structure for flash memory is presented in this paper, capable of operating with minimum supply voltage at 1 V. A new reference… read more here.
Keywords: voltage; sense amplifier; two stage; sense ... See more keywords
Enhancing continuous variable quantum key distribution with a heralded hybrid linear amplifier
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Physics A: Mathematical and Theoretical"
DOI: 10.1088/1751-8121/ab1ecd
Abstract: We propose a method to improve transmission distance of continuous-variable quantum key distribution via a heralded hybrid linear amplifier (HLA), involving an ideal deterministic linear amplifier and a probabilistic noiseless linear amplifier. The phase-insensitive amplification… read more here.
Keywords: continuous variable; hybrid linear; linear amplifier; variable quantum ... See more keywords