A5051484075- Liquid Crystal Research Advancements
- Photonic and Optical Devices
- Nonlinear Optical Materials Research
- Nonlinear Optical Materials Studies
- Photonic Crystals and Applications
- Porphyrin and Phthalocyanine Chemistry
- Advanced Fiber Laser Technologies
- Advanced Materials and Mechanics
- Semiconductor Lasers and Optical Devices
- Advanced Fiber Optic Sensors
- Microfluidic and Bio-sensing Technologies
- Photochromic and Fluorescence Chemistry
- Electrowetting and Microfluidic Technologies
- Solid State Laser Technologies
- Mechanical and Optical Resonators
- Micro and Nano Robotics
- Orbital Angular Momentum in Optics
- Photochemistry and Electron Transfer Studies
- Photorefractive and Nonlinear Optics
- Random lasers and scattering media
- Luminescence and Fluorescent Materials
- Nonlinear Dynamics and Pattern Formation
- Advanced Optical Imaging Technologies
- 3D Printing in Biomedical Research
- Graphene research and applications
Xiamen University of Technology
2011-2025
Xiamen University
2016-2025
Shanghai Maritime University
2022-2023
Tsinghua University
2021
University of Shanghai for Science and Technology
2021
East Asia School of Theology
2021
State Council of the People's Republic of China
2019
Zhejiang University
2003-2016
State Key Laboratory of Silicon Materials
2003-2016
Harvard University
2014
A self-organized, phototunable 3D photonic superstructure is fabricated from a photoresponsive 1D liquid crystal using microfluidics. The resulting microshells are water–oil–water double emulsions, in which the oil phase consists of crystals. cholesteric exhibit band-edge lasing all directions, and wavelength resultant laser tuned via pumping laser, causing photoisomerization chiral molecular switch.
The quest for interesting properties and phenomena in liquid crystals toward their employment nondisplay application is an intense vibrant endeavor. Remarkable progress has recently been achieved with regard to curved confined geometries, typically represented as enclosed spherical geometries cylindrical infinitely extended axial-symmetrical space. Liquid-crystal emulsion droplets fibers are intriguing examples from these fields have attracted considerable attention. It especially noteworthy...
Abstract Liquid crystals are a vital component of modern photonics, and recent studies have demonstrated the exceptional sensing properties stimuli-responsive cholesteric liquid crystals. However, existing crystal-based sensors often rely on naked eye perceptibility structural color or measurement wavelength changes by spectrometric tools, which limits their practical applications. Therefore, developing platform that produces recognizable signals is critical. In this study, we present visual...
Enzymatic nucleic acid reaction is a fundamental tool in molecular biology. However, high-complexity enzymatic DNA reactions and assays are still challenging due to the difficulties integrating scaling up microscale units mixing tools. Here, we present scalable acoustofluidic platform featuring acoustic virtual stirrer (AVS) arrays, serving as stirrers increase efficiency of interfacial reactions. Analogous magnetic stirrers, AVS arrays perturb fluid through oscillating pressure nodes,...
Dynamic cholesteric liquid crystal superstructures with rationally designed arrangements of in-plane helical axes are enabled by utilizing a digital micromirror device-based photoalignment technique, resulting in unique fingerprint textures for potential advanced photonic applications. General rules behind the axis manipulation investigated and growth spiral wave-like continuous gratings demonstrated.
Abstract Precise and flexible three-dimensional (3D) cell construct assembly using external forces or fields can produce micro-scale cellular architectures with intercellular connections, which is an important prerequisite to reproducing the structures functions of biological systems. Currently, it also a substantial challenge in bioengineering field. Here, we propose smart acoustic 3D strategy that utilizes printed module hydrogel sheets. Digitally controlled six wave beams offer high...
Abstract Responsive biohybrid systems have the potential to overcome limitations of both natural and artificial machines in terms efficiency, accuracy, functionality. As functional units, living cells act as bricks for building machines, where extracellular matrix mimics hydrogels ideal biological concrete. Combining with offers unique advantages simulating human tissues or organs, which unleashes future systems, thus has attracted extensive attention. Herein, recent progress cell‐laden...
Abstract The complete description of a continuous-wave light field includes its four fundamental properties: wavelength, polarization, phase and amplitude. However, the simultaneous measurement multi-dimensional such degrees freedom is challenging in conventional optical systems requiring cascade dispersive polarization elements. In this work, we demonstrate disordered-photonics-assisted intelligent four-dimensional sensor. This achieved by discovering that speckle patterns, generated from...
Abstract Branched flows occur ubiquitously in various wave systems, when the propagating waves encounter weak correlated scattering potentials. Here we report experimental realization of electrical tuning branched flow light using a nematic liquid crystal (NLC) system. We create physical weakly disordered potentials via inhomogeneous orientations NLC. demonstrate that can be switched on and off as well tuned continuously through electro-optical properties NLC film. further show manipulated...
We experimentally confirm that graphene within fiber laser cavities can generate four-wave-mixing (FWM) by observing the spectral broadening and transition from single-longitudinal-mode oscillation to multiple-longitudinal-mode one. Then, simultaneously exploiting graphene-induced nonlinear FWM its super-broadband saturable absorption, we further achieve for first time best of our knowledge, multiwavelength Q-switched Yb <sup xmlns:mml="http://www.w3.org/1998/Math/MathML"...
Hierarchical architecture is of vital importance in soft materials. Focal conic domains (FCDs) smectic liquid crystals, characterized by an ordered lamellar structure, attract intensive attention. Simultaneously tailoring the geometry and clustering characteristics FCDs remains a challenge. Here, 3D layer origami via 2D preprogrammed photoalignment film accomplished. Full control hierarchical superstructures demonstrated, including domain size, shape, orientation, lattice symmetry fragmented...
The copper nanowire (Cu NW) network is considered a promising alternative to indium tin oxide as transparent conductors for advanced optoelectronic devices. However, the fast degradation of in ambient conditions largely overshadows its practical applications. Here we demonstrate facile method epitaxial growth hexagonal boron nitride (h-BN) few atomic layers on interlaced Cu NWs by low-pressure chemical vapor deposition, which exhibit excellent thermal and stability under high temperature...
High-resolution and dynamic bioimaging is essential in life sciences biomedical applications. In recent years, microspheres combined with optical microscopes have offered a low cost but promising solution for super-resolution imaging, by breaking the diffraction barrier. However, challenges still exist precisely parallelly superlens controlling using noncontact manner, to meet demands of large-area scanning imaging desired targets. This study proposes an acoustic wavefield-based strategy...
We evaluated the feasibility of embedding periodically arranged squares with planar and vertical texture into a background developable-modulation (DM) type cholesteric liquid crystal (CLC) fingerprint by two-step ultraviolet-induced polymerization method. Checker-patterned optical diffractive elements, which can be seen as variation two-dimensional (2D) barcode, were first realized dependence diffraction behaviors on incident light polarization applied voltage investigated. Taking advantage...
We report a magnetically transportable microlaser with cholesteric liquid crystal (CLC) core–shell structure, operating in band-edge mode, which might offer promise in-channel illumination applications requiring active control.
We demonstrate a new method to detect terahertz (THz) power using temperature-supersensitive capsulized cholesteric liquid crystal film based on the thermochromic and thermodiffusion effect, which is clearly observed. A quantitative visualization of THz intensity up 4.0 × 103 mW/cm2 presented. The diameter color change area linearly dependent radiation above 0.07 mW in steady state. Moreover, can be detected for 1 sec with parabolic relation area. meter robust, cost-effective, portable, even...
A waveband-selective diffraction device was developed by micro-patterning of a photoresponsive self-organized helical liquid crystal superstructure.
Abstract Structural colors obtained by self‐organized microstructures have found a variety of applications, such as decorations, displays, and encryption microarrays, been widely investigated for the excellent stability anisotropic optical responses upon external stimuli. Here, fabrication bowl‐like shriveled microshells using helical cholesteric liquid crystals (CLCs) glass‐capillary‐based microfluidic techniques is reported. Interestingly, internal selective Bragg interferences radially...
Intracellular cargo delivery is crucial for drug evaluation, nanomedicine development, and gene therapy, in which high efficiency while maintaining cell viability needed downstream analysis. Here, an acoustic-mediated precise delivering mechanism proposed by directly modulating micro-oscillation mode membrane permeability. Through phase shifting keying-based spatiotemporal acoustic tweezers, controllable oscillating arrays can be achieved shaking potentials. At the same time, continually...
A new thermally stable second-order nonlinear optical (NLO) inorganic-organic hybrid film was successfully prepared by using a sol-gel process of alkoxysilane dye containing benzothiazole unit. The dye-bonded precursor synthesized from 3-isocyanatopropyltriethoxysilane and the heterocycle azo 2-[4'-(N-ethyl-N-2-hydroxyethyl)-amino-phenylazo]-6-nitrobenzothiazole (EHNBT) via urethane reaction. Molecular structural characterization for resultant achieved elemental analysis, FTIR, UV-visible...