Results 31 to 40 of about 7,175,511 (297)

Frequency Compensation of Three-Stage OTAs to Achieve Very Wide Capacitive Load Range

open access: yesIEEE Access, 2022
This paper proposes an optimal design approach for three-stage amplifiers driving an ultra-wide range of load capacitor. To this end, efficient state-of-the-art solutions have been combined to develop a power-efficient frequency compensation solution ...
Hamed Aminzadeh   +2 more
doaj   +1 more source

Histological and molecular difference in albumen quality between post-adolescent hens and aged hens

open access: yesPoultry Science
: The decline in albumen quality resulting from aging hens poses a threat to the financial benefits of the egg industry. Exploring the underlying mechanisms from the perspective of cell molecules of albumen formation is significant for the efficient ...
Xin-yu Chang   +6 more
doaj   +1 more source

Enhanced Sensitivity of Microring Resonator-Based Sensors Using the Finite Difference Time Domain Method to Detect Glucose Levels for Diabetes Monitoring

open access: yesApplied Sciences, 2020
The properties of light and its interaction with biological analytes have made it possible to design sophisticated and reliable optical-based biomedical sensors. In this paper, we report the simulation, design, and fabrication of microring resonator (MRR)
Lilik Hasanah   +10 more
doaj   +1 more source

High Quality factor photonic crystal nanobeam cavities

open access: yes, 2009
We investigate the design, fabrication and experimental characterization of high Quality factor photonic crystal nanobeam cavities in silicon. Using a five-hole tapered 1D photonic crystal mirror and precise control of the cavity length, we designed ...
Deotare, Parag B.   +4 more
core   +1 more source

Sometimes the impact factor outshines the H index [PDF]

open access: yes, 2008
Journal impact factor (which reflects a particular journal's quality) and H index (which reflects the number and quality of an author's publications) are two measures of research quality.
Honekopp, Johannes, Kleber, Janet
core   +4 more sources

Fabrication of high-quality-factor photonic crystal microcavities in InAsP/InGaAsP membranes [PDF]

open access: yes, 2004
Optical fiber taper waveguides are used to improve the efficiency of room temperature photoluminescence measurements of AlGaAs microdisk resonant cavities with embedded self-assembled InAs quantum dots.
Adachi   +17 more
core   +1 more source

Design and Optimization of an Ultra-Low-Power Cross-Coupled LC VCO with a DFF Frequency Divider for 2.4 GHz RF Receivers Using 65 nm CMOS Technology

open access: yesJournal of Low Power Electronics and Applications, 2023
This article presents the design and optimization of a tunable quadrature differential LC CMOS voltage-controlled oscillator (VCO) with a D flip-flop (DFF) frequency divider.
Muhammad Faisal Siddiqui   +3 more
doaj   +1 more source

3D microwave cavity with magnetic flux control and enhanced quality factor [PDF]

open access: yes, 2016
Three-dimensional (3D) superconducting microwave cavities with large mode volumes typically have high quality factors ($>10^6$). This is due to a reduced sensitivity to surface dielectric losses, which is the limiting source of dissipation in two ...
Fedorov, Arkady   +2 more
core   +2 more sources

Design of N‐Type Textured Bi2Te3 with Robust Mechanical Properties for Thermoelectric Micro‐Refrigeration Application

open access: yesAdvanced Science, 2023
Thermoelectric refrigeration is one of the mature techniques used for cooling applications, with the great advantage of miniaturization over traditional compression refrigeration.
Yu‐Ke Zhu   +12 more
doaj   +1 more source

Acoustic Performance Study of Fiber-Optic Acoustic Sensors Based on Fabry–Pérot Etalons with Different Q Factors

open access: yesMicromachines, 2022
The ideal development direction of the fiber-optic acoustic sensor (FOAS) is toward broadband, a high sensitivity and a large dynamic range. In order to further promote the acoustic detection potential of the Fabry–Pérot etalon (FPE)-based FOAS, it is of
Jiamin Chen   +6 more
doaj   +1 more source

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