Results 21 to 30 of about 270,882 (298)

13.5 μJ, 20 kHz Repetition Rate, Single Frequency Pr3+:YLF Master Oscillator Power Amplifier System

open access: yesPhotonics, 2023
This article describes a master oscillator and power amplifier (MOPA) system with a single longitudinal mode (SLM) and high-repetition-frequency Pr3+:YLF active medium that was end-pumped by two 444 nm laser diodes.
Weicheng Dai   +4 more
doaj   +1 more source

Enhancement of irradiation resistance and experimental research of compact electronics for ITER Radial X-ray Camera [PDF]

open access: yesEPJ Web of Conferences, 2020
International Thermonuclear Experimental Reactor (ITER) Radial X-ray Camera (RXC) is installed in the equatorial port #12 (middle drawer) to measure the poloidal profile of the plasma x-ray emission with high spatial and temporal resolution. According to
Chen Kaiyun   +5 more
doaj   +1 more source

Solid state optical conjugated polymer amplifier; with ultrafast gain switching [PDF]

open access: yes, 2008
Conjugated polymers are organic materials which are attractive as optoelectronic devices because they have a combination of broad band emission, high gain, versatility in processing, are ductile and can be electrically pumped.
Amarasinghe, Dimali C. V.
core   +2 more sources

Ultrasonic Air Coupled Transducer Output Impedance Measurement Technique

open access: yesElektronika ir Elektrotechnika, 2019
Estimation of the output impedance of ultrasonic transducers is required for electrical matching circuits design and for receiving amplifiers noise optimization.
Linas Svilainis   +2 more
doaj   +1 more source

Solid state microwave modules designed for millimiter wave electronic equipment and systems

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016
The paper presents scientific, technological and production potential of Research Institute «Orion» in the field of creation of wide range of high performance active and passive solid-state microwave devices, modules and components as well as ...
Н. Ф. Карушкин   +2 more
doaj   +1 more source

Linearization of broadband microwave amplifier [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2014
The linearization of broadband power amplifier for application in the frequency range 0.9-1.3 GHz is considered in this paper. The amplifier is designed for LDMOSFET characterized by the maximum output power 4W designing the broadband lumped ...
Đorić Aleksandra   +3 more
doaj   +1 more source

A Hybrid Self-Seeded Ti:sapphire Laser with a Pumping Scheme Based on Spectral Beam Combination of Continuous Wave Diode and Pulsed DPSS Lasers

open access: yesApplied Sciences, 2022
A wide variety of applications require high peak laser intensity in conjunction with a narrow spectral linewidth. Typically, injection-locked amplifiers have been employed for this purpose, where a continuous wave oscillator is amplified in a secondary ...
Volker Sonnenschein, Hideki Tomita
doaj   +1 more source

Characterization of the semiconductor optical amplifier for amplification and photonic switching employing the segmentation model [PDF]

open access: yes, 2008
This paper characterizes the gain and the carrier density responses of a semiconductor optical amplifier (SOA). In order to achieve the switching functions in SOA-based optical switches, such as Symmetric Mach-Zehnder (SMZ), the effect of the input ...
Ghassemlooy, Zabih   +11 more
core   +1 more source

Pendulum energy harvester with amplifier

open access: yesJournal of Mechatronics, Electrical Power, and Vehicular Technology, 2018
This paper presents a new principle of inductive vibration power harvester. Harvester is a pendulum that uses energy capacitor which is the mass. The mass is connected to the pendulum via a gearbox to achieve greater movement of the pendulum that ...
Michal Černý   +3 more
doaj   +1 more source

Constant Temperature Anemometer with Self-Calibration Closed Loop Circuit

open access: yesApplied Sciences, 2020
In this paper, a Micro-Electro-Mechanical Systems (MEMS) calorimetric sensor with its measurement electronics is designed, fabricated, and tested. The idea is to apply a configurable voltage to the sensitive resistor and measure the current flowing ...
Jamel Nebhen   +2 more
doaj   +1 more source

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