Dong‐Dong Han
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View article: Wide-range nano-displacement measurement via dual-wavelength interferometry with an ultra-broadband OAM converter
Wide-range nano-displacement measurement via dual-wavelength interferometry with an ultra-broadband OAM converter Open
In this study, we propose a source-to-application framework addressing critical challenges in ultra-broadband ±2 nd order orbital angular momentum (OAM) generation and wide-range nano-displacement measurement. What we believe to be a novel…
View article: Direct Laser Scribing of All‐Solid‐State In‐Plane Proton Microsupercapacitors on Ionic Covalent Organic Framework Films
Direct Laser Scribing of All‐Solid‐State In‐Plane Proton Microsupercapacitors on Ionic Covalent Organic Framework Films Open
Proton microsupercapacitors (MSCs) are promising energy storage devices for cutting‐edge applications. However, all‐solid‐state designs face challenges due to the need for synergistic innovations in electrolytes, electrodes, and interface …
View article: A Novel Mode-Division Multiplexer/Demultiplexer with Ultra-Large Bandwidth and Ultra-Low Insertion Loss Based on Five-Core Photonic Crystal Fiber
A Novel Mode-Division Multiplexer/Demultiplexer with Ultra-Large Bandwidth and Ultra-Low Insertion Loss Based on Five-Core Photonic Crystal Fiber Open
A novel mode-division multiplexer/demultiplexer (MUX/DMUX) based on a five-core photonic crystal fiber (PCF) is proposed in this study. The structural parameters of MUX/DMUX were optimized using finite-difference eigenmode (FDE) and eigenm…
View article: Low-loss weak-coupling 6-mode hollow-core negative curvature fiber based on symmetric double-ring nested tube
Low-loss weak-coupling 6-mode hollow-core negative curvature fiber based on symmetric double-ring nested tube Open
Few-mode optical fibers have played an increasingly important role in breaking through the transmission capacity limitations of single-mode optical fiber and alleviating the bandwidth crisis in optic fiber communication systems in recent y…
View article: Coupled dynamic characteristics of 10 MW semi-submersible offshore wind turbine under typical operation, extreme, and fault conditions
Coupled dynamic characteristics of 10 MW semi-submersible offshore wind turbine under typical operation, extreme, and fault conditions Open
The Technical University of Denmark (DTU) 10 MW wind turbine is selected as the object of this study. The braceless semi-submersible platform for the National Renewable Energy Laboratory 5 MW wind turbine is upscaled to support the DTU 10 …
View article: Fabrication of anti-icing/de-icing surfaces by femtosecond laser
Fabrication of anti-icing/de-icing surfaces by femtosecond laser Open
In this minireview, we comprehensively reviewed recent progress on fabricating anti-icing/de-icing surfaces by femtosecond laser technologies. Typical bioinspired micro-/nano-structures fabrication strategies, superhydrophobic surfaces wit…
View article: Carnivorous plants inspired shape-morphing slippery surfaces
Carnivorous plants inspired shape-morphing slippery surfaces Open
Carnivorous plants, for instance, Dionaea muscipula and Nepenthes pitcher plant, inspired the innovation of advanced stimuli-responsive actuators and lubricant-infused slippery surfaces, respectively. However, hybrid bionic devices that co…
View article: Micro-/Nano-Structures Fabricated by Laser Technologies for Optoelectronic Devices
Micro-/Nano-Structures Fabricated by Laser Technologies for Optoelectronic Devices Open
Due to unique optical and electrical properties, micro-/nano-structures have become an essential part of optoelectronic devices. Here, we summarize the recent developments in micro-/nano-structures fabricated by laser technologies for opto…
View article: 1.9 µm all-optical wavelength converter based on a graphene oxide coated microfiber
1.9 µm all-optical wavelength converter based on a graphene oxide coated microfiber Open
An all-optical wavelength converter based on graphene oxide (GO) is proposed at the 1.9 µm band. The homemade GO-coated microfiber is acquired through the optical deposition method, which shows a remarkable nonlinear optical response. Stab…
View article: Electro-responsive actuators based on graphene
Electro-responsive actuators based on graphene Open
Electro-responsive actuators (ERAs) hold great promise for cutting-edge applications in e-skins, soft robots, unmanned flight, and in vivo surgery devices due to the advantages of fast response, precise control, programmable deforma…
View article: Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation
Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation Open
Natural creatures that enables controllable liquid transport provides the inspiration for developing novel microfluidic devices by engineering functional surfaces with superwettability. However, towards microfluidic applications, the stric…
View article: Quantum-confined-superfluidics-enabled moisture responsive graphene oxide papers
Quantum-confined-superfluidics-enabled moisture responsive graphene oxide papers Open
There is no abstract available for this article. Humidity responsive driver Graphene oxide Quantum confined superfluid First principles × Update Abstract English Chinese Update
View article: Femtosecond Laser Structuring for Flexible Surface-Enhanced Raman Spectroscopy Substrates
Femtosecond Laser Structuring for Flexible Surface-Enhanced Raman Spectroscopy Substrates Open
Surface-enhanced Raman spectroscopy (SERS) is an optical technique for molecule identification. However, fabrication of flexible and structured SERS substrates for performance improvement in a facile and cost-effective manner is challengin…
View article: Bioinspired Soft Robots Based on the Moisture‐Responsive Graphene Oxide
Bioinspired Soft Robots Based on the Moisture‐Responsive Graphene Oxide Open
Graphene oxide (GO), which has many oxygen functional groups, is a promising candidate for use in moisture‐responsive sensors and actuators due to the strong water–GO interaction and the ultrafast transport of water molecules within the st…
View article: Cross-wavelength invisibility integrated with various invisibility tactics
Cross-wavelength invisibility integrated with various invisibility tactics Open
A cross-wavelength invisibility concept is proposed, inspired by a natural predator-prey relationship.
View article: Bioinspired Surfaces With Switchable Wettability
Bioinspired Surfaces With Switchable Wettability Open
The surface wettability of plants exhibits many unique advantages, which enhances the environmental adaptability of plants. In view of the rapid development of responsive materials, smart surfaces have been explored extensively to regulate…
View article: Programmable deformation of patterned bimorph actuator swarm
Programmable deformation of patterned bimorph actuator swarm Open
Graphene-based actuators featuring fast and reversible deformation under various external stimuli are promising for soft robotics. However, these bimorph actuators are incapable of complex and programmable 3D deformation, which limits thei…
View article: Actuators: Quantum‐Confined‐Superfluidics‐Enabled Moisture Actuation Based on Unilaterally Structured Graphene Oxide Papers (Adv. Mater. 32/2019)
Actuators: Quantum‐Confined‐Superfluidics‐Enabled Moisture Actuation Based on Unilaterally Structured Graphene Oxide Papers (Adv. Mater. 32/2019) Open
In article number 1901585, Dong-Dong Han, Hong-Bo Sun, and co-workers describe quantum-confined-superfluidics-enabled moisture actuation based on unilaterally structured graphene oxide paper. Featuring a state-of-the-art ultrafast response…
View article: Microtapered long period gratings: Non-destructive fabrication, highly sensitive torsion sensing, and tunable broadband filtering
Microtapered long period gratings: Non-destructive fabrication, highly sensitive torsion sensing, and tunable broadband filtering Open
View article: Laser Fabrication of Graphene-Based Electronic Skin
Laser Fabrication of Graphene-Based Electronic Skin Open
Graphene is promising for developing soft and flexible electronic skin. However, technologies for graphene processing is still at an early stage, which limits the applications of graphene in advanced electronics. Laser processing technolog…
View article: Moisture-Responsive Graphene Actuators Prepared by Two-Beam Laser Interference of Graphene Oxide Paper
Moisture-Responsive Graphene Actuators Prepared by Two-Beam Laser Interference of Graphene Oxide Paper Open
Here, we reported an ingenious fabrication of moisture responsive graphene-based actuator via unilateral two-beam laser interference (TBLI) treatment of graphene oxide (GO) papers. TBLI technique has been recognized as a representative pho…
View article: Fabrication of bionic reed leaf superhydrophobic surface by laser processing
Fabrication of bionic reed leaf superhydrophobic surface by laser processing Open
In the natural evolution, animals and plants have evolved many unique structures and properties. For example, butterfly wings appear to be colorful due to grating structures. Lotus leaves have super-hydrophobic property because of micro/ n…
View article: Facile fabrication of moisture responsive graphene actuators by moderate flash reduction of graphene oxides films
Facile fabrication of moisture responsive graphene actuators by moderate flash reduction of graphene oxides films Open
We reported here a facile, green, and simple method to fabricate moisture-responsive graphene actuators by moderate flash reduction of graphene oxides (GO) films. Due to the limited light transparency and thermal relaxation, the oxygen con…