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With the increasing use of non-linear loads, the harmonic problems have become of great concerns. One of the solutions to harmonics is the application of shunt active power filters (APFs). The APF reference compensation strategy proposed in this paper adopts the backpropagation neural network (BPNN) to train the control algorithm and calculate the reference compensation current under steady state...
We report a tunable pulsed optical parametric oscillator using a double-prism domain PPLN as simultaneously an electro-optic Q-switch and a parametric generator in a Nd:YVO4 laser. >2.3-kW peak-power eye-safe light was obtained with this system.
Chalcogenide glasses have nonlinear refractive indices ∼200 times greater than fused silica, and offer windows of transparency extending far into the mid-IR. These properties make them interesting for supercontinuum (SC) generation at wavelengths beyond 2 μm. Various different waveguiding structures incorporating chalcogenide glasses have been reported in literature, including microstructured fibers...
We report a tunable, pulsed multi-signal-line intracavity optical parametric oscillator based on a highly integrated 2D MgO:PP-APPLN in a Nd:YVO4 laser. >3.2-kW three signal lines with almost equal peak intensity were obtained from the system.
We report the first demonstration of electro-optically tunable, multi-wavelength optical parametric generators based on domain-engineered APPLN. Several orders of magnitude enhancement on the device tuning rate over a conventional one was obtained.
Light-plasma interactions are explored in gas-filled photonic crystal fibers through self-compression of few-μJ pulses. Here we study the interaction between ionization-driven soliton dynamics and Kerr-based deep-UV generation.
We report a tunable, internal-Q-switched self-frequency-conversion laser based on a 2D Nd:MgO:PPLN integrating device functionalities of laser and optical-parametric gain media and an EO Q-switch. >350-W eye-safe light was obtained with this system.
Laser-driven ionization in Ar-filled HC-PCF is accessed through self-compression of few-microjoule pulses. Modeling confirms that the observed blue-shifted spectral bands are caused by light-plasma interactions over an extended length in the fiber.
We report a tunable pulsed optical parametric oscillator using a 2D PPLN as simultaneous an electro-optic Bragg Q-switch and a parametric generator in a Nd:YVO4 laser. >650-W peak-power eye-safe light was obtained with this system.
We report a unique spectral narrowing and manipulation technique in a PPLN optical parametric oscillator (OPO) using an APPLN electro-optic polarization-mode converter. Single to multiple spectral-narrowed and intensity-enhanced signal peaks were produced from this OPO.
We report extreme self-compression of sub-μJ 30 fs pulses at 800 nm in Ar-filled hollow-core PCF, resulting in 4% conversion to deep UV light in the fundamental guided mode, pressure-tunable from 220-270 nm.
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