A5100367736- Solid State Laser Technologies
- Advanced Fiber Laser Technologies
- Laser Design and Applications
- Photonic Crystal and Fiber Optics
- Environmental Impact and Sustainability
- Energy, Environment, Economic Growth
- Orbital Angular Momentum in Optics
- Geophysics and Gravity Measurements
- Energy, Environment, and Transportation Policies
- Mass Spectrometry Techniques and Applications
- GNSS positioning and interference
- Photorefractive and Nonlinear Optics
- Laser Material Processing Techniques
- Soil Moisture and Remote Sensing
- Ocular and Laser Science Research
- Nicotinic Acetylcholine Receptors Study
- Terahertz technology and applications
- Advanced Materials and Mechanics
- Advanced Battery Technologies Research
- Catalysis and Oxidation Reactions
- Biosensors and Analytical Detection
- Gear and Bearing Dynamics Analysis
- Reproductive System and Pregnancy
- Fluorine in Organic Chemistry
- Efficiency Analysis Using DEA
Shandong Academy of Sciences
2023-2024
Qilu University of Technology
2023-2024
Dalian Institute of Chemical Physics
2020-2024
Chinese Academy of Sciences
2002-2024
Hohai University
2024
State Key Laboratory of Molecular Reaction Dynamics
2021
Xiamen University
2014-2021
Kunming Institute of Zoology
2002-2003
The formation and dynamics of fractional vortex charge in orbital-angular-momentum states is experimentally investigated. holographic lithography method developed this work may be effectively applied to study other structured matter waves.
We demonstrated an efficient second-Stokes Raman laser emission at 1313 nm based on self-frequency stimulated scattering from a diode-end-pumped actively Q-switched YVO(4)/Nd:YVO(4)/YVO(4) 1064 for the first time, to authors' knowledge. A double-end diffusion-bonded Nd:YVO(4) composite crystal was adopted sufficiently improving thermal lensing effect in course of operation. With incident pump power 14.6 W and pulse repetition (PRR) 40 kHz, maximum average output 2.34 obtained, corresponding...
This paper demonstrates the capability of sub-nanosecond, high peak power Yb:YAG/Cr4+:YAG/YVO4 passively Q-switched Raman microchip lasers at 1134 nm operated in multiple pulses mode under quasi-continuous-wave (QCW) pumping. Total pulse energy for Stokes laser was 1.8 mJ with a 4 mm YVO4 crystal and TOC = 16%. The corresponding repetition rate reached 225 kHz within single pumping pulse. By employing compact plane-concave cavity 5 crystal, further scaled up to 44 μJ. 95 kW. A highest output...
A synchronous pulsed, dual-wavelength Raman laser at 1164.4 nm and 1174.7 has been demonstrated in a Nd:GdVO4/Cr4+:YAG/YVO4 passively Q-switched microchip (PQSRML). The first-order Stokes oscillation is attributed to the conversion of 1063.2 1063.43 two-longitudinal-mode fundamental lasers with frequency shifts 816 cm-1 890 cm-1, respectively. Stable pulses nearly equal spectral intensities have achieved independent pump power. pulse repetition rate as high 139.4 kHz T0=85%, width shortened...
Structured optical vortices with 4 phase singularities have been generated in a laser diode pumped continuous-wave Yb:Y3Al5O12/YVO4 (Yb:YAG/YVO4) Raman microchip laser. The broadband comb-like first order Stokes emitting spectrum including 30 longitudinal modes covers from 1072.49 nm to 1080.13 bandwidth of 7.64 nm, which is the shift 259 cm−1 c-cut YVO4 crystal converted fundamental around 1.05 μm. Pump power dependent vortex beams are attributed overlap field caused by dynamically changing...
Multi-wavelength continuous-wave (CW) Raman lasers in a laser diode pumped Yb:YAG/Nd3+:YVO4 microchip have been demonstrated for the first time to our best knowledge. The multi-wavelength of Stokes radiation around 1.08 μm has achieved with shift 261 cm-1 a-cut Nd:YVO4 crystal corresponding fundamental wavelength at 1.05 μm. operation simultaneously and under incident pump power between 1.5 1.7 W. frequency separation 1 THz obtained when is higher than maximum output 260 mW...
In this study, we construct a 193 nm ultraviolet laser dissociation high-resolution mass spectrometry (HRMS) platform to produce Pt+ cations with high efficiency, which is in situ applied for monitoring the "Pt+ + alkanes" reactions (where alkanes include methane, ethane, and propane). The conversion intermediates products could be accurately determined by an orbitrap detector resolution (up 150 000). Importantly, methane yields [Pt ethane]+ ethylene]+ as sole formed via cross-coupling...
We have demonstrated a multiwavelength, sub-nanosecond Yb:YAG/Cr <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">4+</sup> :YAG/YVO <sub xmlns:xlink="http://www.w3.org/1999/xlink">4</sub> passively Q-switched Raman microchip laser (PQSRML) emitting at 1-1.26 μm. Multiple wavelength Stokes radiations 1123, 1134, 1260 nm and 1079, 1157, been obtained different pump power levels, respectively. The second-order 1.26 μm increases rapidly with the...
Abstract Broadband lasers oscillating in multiple longitudinal modes have potential applications on high resolution interferometer, optical communication and laser spectroscopy. However, the bandwidth of spectrum is limited by spectral range materials. Here, a broadband multi-longitudinal-mode with 22.4 nm at first-order Stokes wavelength has been achieved Yb:YAG/YVO 4 Raman microchip pumped quasi-continuous-wave laser-diode. The output energy 11.6 mJ pump 34.4 mJ, efficiency 34%....
Laser excitation of aqueous halides at wavelengths shorter than 200 nm for structure-selective photochemical halogenation native proteins.
The load characteristic of typical household electrical equipment is elaborately analyzed. Considering the electric vehicles’ (EVs’) charging behavior and air conditioning’s thermodynamic property, an electricity price-based demand response (DR) model incentive-based DR for two kinds high-power are proposed to obtain curve considering different mechanisms. Afterwards, a shedding strategy introduced improve traditional reliability evaluation method distribution networks, with capacity...
An efficient laser operation of disordered Nd:LiGd(WO4)2 crystal, end-pumped by a quasi-CW 808 nm diode laser, has been demonstrated in both free-running and actively Q-switched modes. Multi-wavelength emission around 1.06 μm was obtained simultaneously this paper. In status, 0.63 W output obtained, giving slope efficiency 40.6%. When the repetition rate 40 kHz operation, maximum average power 0.43 30.2% were obtained. This work indicated that could be promising crystal for THz, mode-locked...
In this study, a fiber coupled high power side-pumped Nd:YAG laser system for cleaning is presented. Based on the two-rod structure and two stages amplifiers, maximum average output of 783 W with corresponding pulse energy 52 mJ at 15 kHz has been achieved. The coupling efficiencies after master oscillator, one stage amplifier amplifiers reach to 99%, 98.3% 94%, respectively. A machine prototype composed oscillator an greater than 500 developed achieved better nondestructive effect thermal...
Programmable magnetic soft grippers are highly desirable for diverse applications in drug delivery, object manipulation, and robotics. However, current programming need to be driven by multiple physical fields, which complicated operate single motion. Here, a method patterning hard microparticles an elastomer matrix is reported. Based on digital light processing (DLP), this uses controlled reorientation of particles selective exposure ultraviolet (UV) encode polydimethylsiloxane (PDMS)...
Perovskite as an emerging semiconductor luminescent material has attracted widespread attention due to its simple preparation, high luminescence quantum yield, color purity, tunable spectrum, and ability cover the entire visible light band. However, influence of water or other highly polar solvents, oxygen, temperature, radiation, perovskite nanocrystals will aggregate collapse in lattice, eventually leading quenching. This study starts from postprocessing perovskite, uses methyl...
<title>Abstract</title> In recent decades, Global Navigation Satellite System-Interferometric Reflectometry (GNSS-IR) environmental parameters inversion has become a research hotspot in the field of GNSS. Among them, sea/water level one applications with better performance because its clear mathematical relationship and horizontal reflection surface. many sources error GNSS-IR sea inversion, surface height variation is largest magnitude. Currently, this corrected by estimating rate change to...
Summary Antigen‐specific circulating immunoglobulin‐secreting cells (ISC) migrate to various secondary and tertiary lymphoid tissues. To understand the migration of into genital tract its regulation by sex hormones, spleen‐derived SG2 hybridoma secreting immunoglobulin G2b (IgG2b) Peyer's patch‐derived PA4 polymer IgA were labelled with 3 H‐TdR, intravenously injected syngeneic mice both sexes. Using flow cytometry, surface molecular markers plasma cells, CD38 CD138, adhesion molecules,...
Testosterone undecanoate (TU) is under phase III clinical trial as a hormonal male contraceptive in China. Sex hormones can modulate the immune system. Female contraceptives may affect SIV/HIV-1 transmission. To evaluate safety of TU and to understand whether long-term use for affects users' immunological features, adult rats were treated 32-week TU-treated at dose 20 mg TU/kg body weight 24-week recovery phase. The reproductive parameters 4-6 each subgroup examined stated time point. mean...