Results 31 to 40 of about 27,403 (301)

Laser fabrication of MXene-based planar micro-supercapacitors

Frontiers in Chemistry
This mini-review summarizes recent advances in MXene-based planar micro-supercapacitors fabricated by laser technologies. Laser ablation enables ultrafast maskless patterning, laser cutting achieves mechanically adaptive flexible arrays, and laser ...
Qian-Kun Li, Jin-Yong Qi, Bo Li, Ke-Xue Li, Feng-Yuan Lin, Ji-Long Tang, Zhi-Peng Wei   +6 more
doaj   +1 more source

Brief Review of Epitaxy and Emission Properties of GaSb and Related Semiconductors

Crystals, 2017
Groups III–V semiconductors have received a great deal of attention because of their potential advantages for use in optoelectronic and electronic applications.
Shouzhu Niu, Zhipeng Wei, Xuan Fang, Dengkui Wang, Xinwei Wang, Xian Gao, Rui Chen   +6 more
doaj   +1 more source

Welding with high power fiber lasers - A preliminary study. [PDF]

, 2007
The new generation of high power fiber lasers presents several benefits for industrial purposes, namely high power with low beam divergence, flexible beam delivery, low maintenance costs, high efficiency and compact size.
Costa, A., Miranda, R., Kong, C. J., Quintino, Luísa, Yapp, David, Kumar, Vinod   +5 more
core   +1 more source

Special Issue “Semiconductor Laser Dynamics: Fundamentals and Applications”

Photonics, 2020
With the advent of integrated photonics, a crucial role is played by semiconductor diode lasers (SDLs) as coherent light sources. Old paradigms of semiconductor laser dynamics, like optical injection, external feedback and the coupling of lasers ...
Daan Lenstra
doaj   +1 more source

Gigahertz femtosecond laser-by a novel asymmetric one-dimensional photonic crystal saturable absorber device with defect layer

Nanophotonics, 2022
High repetition frequency (HRF) ultrashort pulse fiber laser has been widely used in laser cold processing. The technical solutions such as short cavity length fiber laser have been proposed to achieve HRF ultrashort pulse output recently.
Song Chun-Yu, Chen Hua-Long, Wang Yong-Jie, Jin Liang, Xu Ying-Tian, Shi Lin-Lin, Zou Yong-Gang, Ma Xiao-Hui, Song Yu-Feng, Wang Cong, Zhang Ya-Ting, Lin Ja-Hon, Zhang He, Zhang Han, Yao Jian-Quan   +14 more
doaj   +1 more source

First-principle calculations of Sb2S3 energy bands and electronic structures with different crystallization degrees

AIP Advances
Based on first-principles density functional theory, crystal structure models of antimony sulfide (Sb2S3) in three distinct crystalline states were constructed and the physical properties of these states were investigated.
Wanting Xiang, Dan Fang, Xuan Fang, Dengkui Wang, Hao Yan, Yong Wang, Jie Fan, Yonggang Zou, Xiaohua Wang   +8 more
doaj   +1 more source

Ultralow threshold surface emitting ultraviolet lasers with semiconductor nanowires

Scientific Reports, 2023
Surface-emitting (SE) semiconductor lasers have changed our everyday life in various ways such as communication and sensing. Expanding the operation wavelength of SE semiconductor lasers to shorter ultraviolet (UV) wavelength range further broadens the ...
Mohammad Fazel Vafadar, Songrui Zhao
doaj   +1 more source

Single-Mode Semiconductor Nanowire Lasers With Coupled Cavities

Frontiers in Chemistry, 2021
Semiconductor nanowires are one of the most fascinating topics over the past few decades. As miniaturized coherent light sources, semiconductor nanowires have been attracting tremendous attention in recent years for scientific and technological interest ...
Salman Ullah, Salman Ullah, Sijie Pian, Fang Dai, Yilun Wang, Yaoguang Ma, Qing Yang, Qing Yang   +7 more
doaj   +1 more source

One- and two-photon pumped organic semiconductor lasers

, 2010
This thesis describes a number of studies on organic semiconductors focused around using them as gain media for lasers. The photophysical properties of organic semiconductors are studied using a wide range of experimental techniques, allowing the ...
Tsiminis, Georgios
core   +1 more source

Carboxylic‐Acid Functionalized Multiwalled Carbon Nanotube‐Alkane‐Based Resistive Temperature Sensor for Cold Chain Applications

Advanced Engineering Materials, EarlyView.
This study presents a reversible temperature sensor with high switching ratio, ∼103. The device is fabricated using PET‐ITO and carbon nanotube dispersions in alkane. Considering its application in cold chain logistics, a proof‐of‐concept with LED is showcased. Thus, a temperature drop below the threshold temperature (crystallization temperature of the
Sunil Kumar Behera, Philippe Marrec, A. Jorge Parola, Madalena Dionísio, Hugo Águas, Andreia F. M. Santos, Hamed Pourkheirollah, Donald Lupo, César A. T. Laia   +8 more
wiley   +1 more source