laser crystal energy storage efficiency test
Случайные ссылки
Efficient near-infrared laser emission and nonlinear optical properties of a newly developed Yb:LYSB laser crystal …
Furthermore, Yb 3+ ions have longer energy storage lifetime than Nd 3+ ions, and they can be pumped in the wavelength range of 970 nm–980 nm with InGaAs laser diodes. Thus, Yb-doped YAl 3 (BO 3) 4 (Yb:YAB) has been proved to be a very efficient SFD20].
Novel lead-free BCZT-based ceramic with thermally-stable recovered energy density and increased energy storage efficiency …
From the energy storage view, BaTiO 3-based ceramics are the most attractive candidates for high energy density storage applications. Particularly, combining BaTiO 3 (BT) with Bi(Mg 0.5 Ti 0.5 )O 3 [ 37 ], Bi(Mg 2/3 Nb 1/3 )O 3 [ 38 ], Bi 2/3 (Mg 1/3 Nb 2/3 )O 3 [ 39 ] and Na 0.5 Bi 0.5 TiO 3 [ 40 ] is a common strategy to induce high …
Large energy storage density performance of …
SrTiO3 (STO) single crystal substrate by optimized pulsed laser deposition (PLD) technique. These high-quality ... the electrical energy storage efficiency is calculated using Eq. (). The energy ...
Crystallization, microstructure and energy storage behavior of …
The borate glass–ceramics with a great energy storage density were fabricated using the melt-quenching method and then heat-treated technology. The microstructure, dielectric properties, energy storage properties and charge–discharge behavior were discussed. The dielectric constant increases monotonically with the …
Recent development of lead-free relaxor ferroelectric and antiferroelectric thin films as energy storage …
3 · AFE thin films are being introduced in the energy storage application sectors as they exhibit excellent energy storage performance in their ceramic form [9], [10], [84], [122]. This mandates the importance of a deeper level of understanding of the energy storage performance of pure ANO and NNO materials in the thin film form.
Electrochemical energy storage performance of one-step laser …
In this study, the microstructure of written composites has been controlled by varying the laser power. Their electrochemical energy storage performance has …
Laser processing of graphene and related materials for energy …
Laser-based methodologies for synthesis, reduction, modification and assembly of graphene-based materials are highly demanded for energy-related …
Laser-sculptured ultrathin transition metal carbide …
The laser-sculptured polycrystalline carbides (macroporous, ~10–20 nm wall thickness, ~10 nm crystallinity) show high energy storage capability, hierarchical porous structure, and higher...
Laser Irradiation of Electrode Materials for Energy Storage and …
Laser irradiation can be carried out in different media, such as vacuum conditions, ambient atmosphere, inert conditions, and liquids. 16, 21, 36, 44, 47 These media strongly affect the laser-induced effects as well as the materials thus obtained. Figures 3 D and 3E compare the scanning electron microscopy (SEM) images of laser …
Doping effect of l-cystine on structural, UV–visible, SHG efficiency, third order nonlinear optical, laser …
It is found that the laser beam of energy of 253 mJ imposed a damage of 1 mm on CTA crystal while the energy of 193 mJ caused a damage of 1.8 mm on surface of LC-CTA crystal. The LDT value for pure and LC-CTA crystal is found to be 32.22 GW/cm 2 and 7.58 GW/cm 2 .
Surface emitting semiconductor laser achieves efficiency …
Since its inception, the power conversion efficiency (PCE) of edge-emitting laser (EEL) technology has been continuously breaking records, achieving a historically high efficiency of 85% at -50°C ...
Watt-level self-frequency-doubling laser at 540 nm of Nd:LCB crystal by utilizing the energy …
We demonstrated the output power improvement of a self-frequency-doubling (SFD) green laser in Nd 3+-doped La 2 CaB 10 O 19 (Nd:LCB) crystal. The spectra were measured and calculated by the Judd-Ofelt theory [1], [2], which provide the design guides for the SFD lasers., which provide the design guides for the SFD lasers.
Effect of THz-bandwidth incoherent laser radiation on bulk damage in potassium dihydrogen phosphate crystal…
A schematic of the experimental setup designed to test for bulk damage in KDP is shown in Fig. 2.With an available energy of 1 mJ, the damaging beam is focused to a spot with a diameter of 30 µm ...
Efficient passively Q switched lasers with a large-energy stored …
Ytterbium (Yb)-ions-doped sesquioxide crystal is an attractive gain medium for a tunable and pulsed laser owing to its high thermal conductivity. In …
Improving energy storage performance of barium titanate-based …
With the increase of Mg 2+ doping amount, the energy storage density (W rec) reached 1.784 J/cm 3 under 175 kV/cm, and the energy storage efficiency (η) reached 92 % [15]. Chen et al. prepared 0.88BaTiO 3 -0.12Bi(Mg 2/3 Ta 1/3 )O 3 lead-free ceramics and obtained W rec of 3.282 J/cm 3 .
Efficient 0.75-mJ 100-kHz ultraviolet pulsed laser based on a rod-type photonic crystal …
We have developed a high-power ultraviolet (UV) nanosecond-pulsed laser based on a rod-type photonic crystal fiber. The UV pulse energy and the pulse repetition rate are 0.75 mJ and 100 kHz, respectively, yielding 75-W UV average power. The temporal pulse shape and the linewidth of a 1030-nm seed laser are optimized for …
Achieving high strength 316L stainless steel by laser directed energy …
Among these, laser directed energy deposition (LDED) stands out as the most representative AM technique for component fabrication and repair [[10], [11], [12]]. In the LDED process, a laser beam is employed to fuse delivered powders or wires to manufacture designated component through layer-by-layer deposition.
Energy Storage Performance and Electric Breakdown Field of Thin …
This excellent energy storage performance in the PLZT/SRO/CNOns/Si is due to the dense film structure and nearly hysteresis-free relaxor behavior. These results …
Laser irradiation construction of nanomaterials toward …
The emerging use of laser irradiation in synthesis smartly bridges "nanotechnology" and "light", and has attracted enormous attention as an efficient synthetic methodology for versatile nanomaterials toward …
High efficiency diode-pumped Q-switched Yb:Er:Glass lasers
The energy storage efficiency on the Er 3+ concentration and pumping conditions can be derived from the numerical integration of the Eq. (1).The energy storage efficiency is defined as: (2) η st = W st W abs. Here W st is the density of the stored energy, W abs the density of the absorbed pump energy. ...
Influence of laser fluence in modifying energy storage property …
Consequently, the energy storage performance of device depends upon the parameters like recoverable energy density during discharging, total energy (energy storage density) and efficiency. Owing to the lower value of leakage current, BFO thin film prepared at 200 mJ of laser energy unveiled the saturated hysteresis curve ( Fig. 4 ).
Laser‐Scribed Battery Electrodes for Ultrafast Zinc‐Ion Energy …
In this work, we design a laser-scribed nano-vanadium oxide (LNVO) cathode that can simultaneously achieve these properties. Our material stores charge …
Laser Synthesis and Microfabrication of Micro/Nanostructured Materials Toward Energy Conversion and Storage …
Nanomaterials are known to exhibit a number of interesting physical and chemical properties for various applications, including energy conversion and storage, nanoscale electronics, sensors and actuators, photonics devices and even for biomedical purposes. In the past decade, laser as a synthetic technique and laser as a …
Experimental study on charging energy efficiency of lithium-ion …
Design a charging energy efficiency test profile in an isothermal environment. • Propose an offline Map of baseline value for commercial ternary lithium-ion batteries. • Mathematical description of each stress vs. charging energy efficiency • Ranking the contribution of
Improvement of single pulse energy and laser efficiency by co-doping Cr3+ ions into the Er:YAG crystal …
High quality Cr,Er:YAG crystal was grown successfully by the Czochralski method. • Maximum single-pulse energies of 0.99 and 1.52 J are obtained on Er:YAG and Cr,Er:YAG. • Slope efficiencies are 1.31% and 1.80% for Er:YAG and Cr,Er:YAG, respectively. • Cr 3+ can improve laser efficiency of Cr,Er:YAG without affecting beam …
Laser Synthesis and Microfabrication of Micro/Nanostructured …
• The laser microfabrication-enabled energy conversion and storage devices are reviewed. • The limitations and solutions for current laser processing of nanomaterials and other …
Effects of high-energy laser peening followed by pre-hot …
High-energy laser peening, such as used in this work, employs laser energy output in the range of 20 J/pulse []. The high energy enables the use of a relatively large spot size (0.35 to 1 cm 2 ) while keeping the irradiance at the required high-power density needed to create sufficient pressure to plastically yield the material to the deeper …
Constructing phase boundary in AgNbO 3 antiferroelectrics: pathway simultaneously achieving high energy density and efficiency …
In addition, an ultrahigh energy storage density of 12.2 J cm −3 was achieved in (Bi 0.5 Na 0.5)TiO 3-NaNbO 3 ceramics, where the relaxor component (Bi 0.5 Na 0.5)TiO 3 was added into NaNbO 3 ...