Xiaoling Ji
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View article: Dynamic Metabolome and Transcriptome Profiling Provide Molecular Insights into Floral Bud Differentiation in Michelia ‘Xin’
Dynamic Metabolome and Transcriptome Profiling Provide Molecular Insights into Floral Bud Differentiation in Michelia ‘Xin’ Open
Michelia ‘Xin’ is an evergreen rare ornamental tree species that undergoes FBD only once but blooms twice a year. However, the molecular mechanisms controlling its FBD process remain largely unknown. This study characterized the FBD proces…
View article: Rule of the pulse energy from ground-based lasers for the laser ablation propulsion in space
Rule of the pulse energy from ground-based lasers for the laser ablation propulsion in space Open
For the laser ablation propulsion in space, the rule of the pulse energy from ground-based lasers is studied, in which both the complex beam propagation effects in the turbulent atmosphere of a real-world scenario and the momentum coupling…
View article: Optimized fertilization patterns increase foxtail millet biomass on the distribution and transformation in Loess Plateau of China
Optimized fertilization patterns increase foxtail millet biomass on the distribution and transformation in Loess Plateau of China Open
Organic manure or microbial fertilizers are essential sources of plant nutrients to supplement farmland soil, and organic and inorganic fertilizers are considered an effective way to achieve sustainable agriculture by improving the soil an…
View article: Optimal spectral combination of spectrally combined laser beams in the turbulent atmosphere
Optimal spectral combination of spectrally combined laser beams in the turbulent atmosphere Open
The optimal spectral combination of spectrally combined laser beams (SCLBs) propagating from the ground to orbit in the turbulent atmosphere is studied, where the atmospheric effects (e.g., turbulence, extinction and nonlinear self-focusin…
View article: Twisted partially coherent solitons in strongly nonlocal nonlinear media
Twisted partially coherent solitons in strongly nonlocal nonlinear media Open
The analytical propagation formulae of twisted partially coherent beams in strongly nonlocal nonlinear media (SNNM) are derived. It is shown that a twisted partially coherent soliton (TPCS) can be formed in SNNM when the critical power arr…
View article: Focusability of coherently combined beams propagating downwards in the turbulent atmosphere
Focusability of coherently combined beams propagating downwards in the turbulent atmosphere Open
The focusability of coherently combined beams (CCBs) propagating from orbit through the turbulent atmosphere to the ground is studied, where the diffraction, self-focusing and turbulence effects are considered. It is shown that the spot si…
View article: Chirp characteristics and the effect of chirp on the beam quality of laser pulses propagating upwards in the atmosphere
Chirp characteristics and the effect of chirp on the beam quality of laser pulses propagating upwards in the atmosphere Open
The chirp characteristics and the effect of chirp on the beam quality of laser pulses propagating from the ground through the atmosphere to the space orbit are studied. The analytical expressions of the additional chirp caused by group-vel…
View article: Effect of Self-Focusing on Propagation of a Laser Beam in the Atmosphere Along a Slant Path
Effect of Self-Focusing on Propagation of a Laser Beam in the Atmosphere Along a Slant Path Open
The equivalent B-integral phase screen (EBPS) method of numerical simulation is proposed to study the propagation of a high-power laser beam in the atmosphere along a slant path, and the computational accuracy and efficiency of the EBPS me…
View article: Influence of wind-dominated thermal blooming on orbital angular momentum and phase singularity of dual-mode vortex beams
Influence of wind-dominated thermal blooming on orbital angular momentum and phase singularity of dual-mode vortex beams Open
The effects of thermal blooming on orbital angular momentum (OAM) and phase singularity of dual-mode vortex beams under different wind directions and wind speeds are studied in this paper. Owing to the different symmetries of dual-mode vor…
View article: Degree of paraxiality of a multi-Gaussian beam diffracted by a circular aperture
Degree of paraxiality of a multi-Gaussian beam diffracted by a circular aperture Open
The degree of paraxiality (DOP) of a diffracted multi-Gaussian beam is discussed. It is shown that the DOP of the multi-Gaussian beam will decrease as it is diffracted by a circular aperture, and the DOP of the diffracted multi-Gaussian be…
View article: The far-zone behaviors of light waves on scattering from particulate medium with various distribution
The far-zone behaviors of light waves on scattering from particulate medium with various distribution Open
The far-zone spectral density of light waves scattered on a particulate medium was discussed, and the influence of characteristics of the medium on the far-zone scattered spectral density was investigated. It is shown that the normalized s…
View article: Generation and manipulation of various hollow arrays by light wave scattering
Generation and manipulation of various hollow arrays by light wave scattering Open
By constructing a linear combination of several special weight functions, some novel scattering medium was designed to generate far-field distribution with hollow arrays. The construction is divided into two cases, i.e., the linear combina…
View article: Influence of Kerr nonlinearity on propagation characteristics of twisted Gaussian Schell-model beams
Influence of Kerr nonlinearity on propagation characteristics of twisted Gaussian Schell-model beams Open
The analytical propagation formulae of twisted Gaussian Schell-model (TGSM) beams through nonlinear Kerr media are derived. It is found that a TGSM beam is less sensitive to Kerr nonlinearity than a Gaussian Schell-model (GSM) beam. Furthe…
View article: Beam Quality of Annular Pulsed Laser Beams Propagating Through the Nonlinear and Dispersive Atmosphere
Beam Quality of Annular Pulsed Laser Beams Propagating Through the Nonlinear and Dispersive Atmosphere Open
The Kerr self-focusing and group-velocity dispersion (GVD) effects play important roles when a high-power pulsed laser beam propagates from the ground through the nonlinear and dispersive atmosphere to space orbits. For an annular pulsed l…
View article: Light waves scattering from an anisotropic semi-soft boundary medium with spectral dependence
Light waves scattering from an anisotropic semi-soft boundary medium with spectral dependence Open
The far-zone behavior of polychromatic light waves on scattering from an anisotrophic semi-soft boundary medium with spectral dependence was considered, and the spectral density and the spectral degree of coherence of the far-zone scattere…
View article: Influence of spherical aberration on beam quality of high-power laser beams propagating upwards in the atmosphere
Influence of spherical aberration on beam quality of high-power laser beams propagating upwards in the atmosphere Open
For laser ablation propulsion’s applications in space (e.g., space-debris removal, etc.), the laser power is well above the critical power for self-focusing in the atmosphere. Therefore, the self-focusing effect on the beam quality is very…
View article: Propagation characteristics of focused astigmatic Gaussian beams in Kerr nonlinear media
Propagation characteristics of focused astigmatic Gaussian beams in Kerr nonlinear media Open
When a powerful laser beam propagates in a Kerr nonlinear medium, the Kerr effect on the beam propagation characteristics is very significant. The astigmatic laser beams are often encountered in practice. Until now, much work has been carr…
View article: Characteristics of high-power partially coherent laser beams propagating upwards in the turbulent atmosphere
Characteristics of high-power partially coherent laser beams propagating upwards in the turbulent atmosphere Open
The characteristics of high-power partially coherent laser beams propagating upwards in the turbulent atmosphere are studied, where the principal features of diffraction, nonlinear self-focusing and turbulence are considered. Based on the …
View article: Manipulating far-zone scattered field by convolution of different types of weight function
Manipulating far-zone scattered field by convolution of different types of weight function Open
A method of convolution of two weight functions to design new types of scattering medium is proposed, and two novel media models are illustrated in detail. The first one is that the two functions involved in convolution are the same type w…
View article: Kerr effect on propagation characteristics of Hermite-Gaussian beams
Kerr effect on propagation characteristics of Hermite-Gaussian beams Open
The analytical propagation formulae of Hermite-Gaussian (H-G) beams propagating in Kerr media are derived by using the variational approach. The analytical formulae of the self-focusing critical power, the Rayleigh range and the beam quali…
View article: Uniform irradiation generated by beam self-focusing in the inhomogeneous atmosphere
Uniform irradiation generated by beam self-focusing in the inhomogeneous atmosphere Open
The uniform irradiation generated by beam self-focusing in the inhomogeneous atmosphere is studied. It is found that the uniform irradiation may appear on propagation of an initial flat-topped beam from the ground to space orbits because o…
View article: Laser Beam Propagation through Oceanic Turbulence
Laser Beam Propagation through Oceanic Turbulence Open
Using a recently proposed model for the refractive index fluctuations in oceanic turbulence, optical beam propagation through seawater is explored. The model provides an accurate depiction of the ocean through the inclusion of both tempera…
View article: Simulation of the microstructural characteristics of saltwater turbulence in a water tank
Simulation of the microstructural characteristics of saltwater turbulence in a water tank Open
This study simulated the generation and evolution of saltwater turbulence within a water tank. By pouring fresh water over saltwater in the tank, a layer of saline water with a fixed gradient was created. Convective turbulence was then for…
View article: Self-focusing and group-velocity dispersion of pulsed laser beams in the inhomogeneous atmosphere
Self-focusing and group-velocity dispersion of pulsed laser beams in the inhomogeneous atmosphere Open
We study self-focusing and group-velocity dispersion (GVD) effects in the inhomogeneous atmosphere on pulsed-laser space debris removal facilitated by a ground-based laser. It is found that changes of the pulse duration and the beam spot s…
View article: Characteristic parameters of adaptive optical imaging system in oceanic turbulence
Characteristic parameters of adaptive optical imaging system in oceanic turbulence Open
Since recently one is interested in underwater communications, imaging, sensing and lidar appeared, it is important to study characteristic parameters of the adaptive optical imaging system in oceanic turbulence. Until now, the characteris…
View article: Characteristic parameters of optical wave and short-term beam spreading in oceanic turbulence
Characteristic parameters of optical wave and short-term beam spreading in oceanic turbulence Open
In 2000, Nikishov et al. presented an analytical model for the power spectrum of oceanic turbulence, in which the stable stratification of seawater is assumed, i.e., the eddy diffusivity of temperature is equal to that of salinity, and the…
View article: Self-focusing effect of annular beams propagating in the atmosphere
Self-focusing effect of annular beams propagating in the atmosphere Open
The self-focusing effect of annular beams propagating in the atmosphere to assist delivering powerful laser beams from orbit to the ground is studied in detail. It is found the annular beam is compressed more strongly due to the self-focus…
View article: Reciprocity relations of an electromagnetic light wave on scattering from a quasi-homogeneous anisotropic medium
Reciprocity relations of an electromagnetic light wave on scattering from a quasi-homogeneous anisotropic medium Open
The relationship between the properties of the far-zone field and the characteristics of the scattering medium for an electromagnetic light wave on scattering from a quasi-homogeneous anisotropic medium is investigated. It is shown that th…
View article: Thermal blooming effect of laser beams propagating through seawater
Thermal blooming effect of laser beams propagating through seawater Open
The thermal blooming effect of laser beams propagating through seawater is studied in detail by using the numerical simulation method. It is found that an increase of the salinity in the seawater causes the more severe thermal blooming. As…
View article: Effect of spatial coherence on laser beam self-focusing from orbit to the ground in the atmosphere
Effect of spatial coherence on laser beam self-focusing from orbit to the ground in the atmosphere Open
The effect of spatial coherence on laser beam self-focusing in the atmosphere to assist delivering powerful laser beams from orbit to the ground is studied. It is found that a fully coherent beam is more strongly compressed on the ground t…