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Volker Sonnenschein and Hideki Tomita
A wide variety of applications require high peak laser intensity in conjunction with a narrow spectral linewidth. Typically, injection-locked amplifiers have been employed for this purpose, where a continuous wave oscillator is amplified in a secondary e...
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Xinlin Lv, Junchi Chen, Yujie Peng, Zhiyuan Huang, Yingbin Long, Xinliang Wang, Guanting Liu and Yuxin Leng
We demonstrate a discretely tunable multiwavelength visible laser through second harmonic generation (SHG) and sum frequency generation (SFG) of multiorder Stokes lasers generated from an external Raman laser oscillator. The Raman laser oscillator, drive...
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Frantisek Prochaska, Karel Nejezchleb, Jiri Benes, Ondrej Matousek and David Tomka
3D subaperture surface shape correction of YAG laser rods for solid-state laser production.
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Wei Wang, Qin Zhao, Wenqing Gao, Zhenyue Hu, Qihang Zhao and Sen Yang
A numerical analysis method is provided as an efficient design tool for the side-pumping lasers of laser diode (LD) arrays. The temperature distributions and thermo-optic effects of the laser rod in the segmented circular LD array side-pumping configurat...
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Xiaojing Ren, Yong Wang, Jian Zhang, Dingyuan Tang and Deyuan Shen
A short-pulse-width repetitively Q-switched 2.7-µm Er:Y2O3 ceramic laser is demonstrated using a specially designed mechanical switch, a metal plate carved with slits of both slit-width and duty-cycle optimized. With a 20% transmission output coupler, st...
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Tingwei Ren, Chunting Wu, Yongji Yu, Tongyu Dai, Fei Chen and Qikun Pan
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Shuaishuai Yang, Zijian Cui, Ziming Sun, Pan Zhang and Dean Liu
Compact, stable, high-power and high repetition rate picosecond laser systems are excellent sources for optical parametric chirped pulse amplification systems and laser satellite ranging systems. Compared with the traditional complex high-power amplifier...
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Zhao Zhang, Yifei Wang, Peng Ge and Tao Wu
Modelling and simulation are very important for revealing the relationship between process parameters and internal variables like grain morphology in solidification, precipitate evolution, and solid-state phase transformation in laser additive manufactur...
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Chun Li, Yuxin Leng, Shanming Li and Yin Hang
Diode-pumped solid-state lasers using novel Yb:LaF3 and Tm,Ho:LaF3 crystals as laser gain materials are demonstrated herein. The Yb:LaF3 and Tm,Ho:LaF3 crystals were grown using the Bridgman method. By matching their absorption bands, continuous-wave las...
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Guido Toci, Zeudi Mazzotta, Luca Labate, François Mathieu, Matteo Vannini, Barbara Patrizi and Leonida A. Gizzi
The purpose of the European project EuPRAXIA is to realize a novel plasma accelerator user facility. The laser driven approach sets requirements for a very high performance level for the laser system: pulse peak power in the petawatt range, pulse repetit...
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Federico Pirzio
Even though more than half a century has already passed since the first demonstration of laser action in ruby crystal, solid-state lasers are still a hot research topic.[...]
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Sneha Samal, Ondrej Tyc, Ludek Heller, Petr ?ittner, Monika Malik, Pankaj Poddar, Michelina Catauro and Ignazio Blanco
The aim of this article is to investigate the interfacial adhesion of Ni-Ti shape memory alloy with a polymer matrix of Poly (methyl methacrylate) (PMMA). The surface pattern on Ni-Ti plates was channeled by a solid state laser machine. The laser machine...
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Marko Hübner, Ingo Will, Jörg Körner, Jürgen Reiter, Mathias Lenski, Johannes Tümmler, Joachim Hein, Bernd Eppich, Arnim Ginolas and Paul Crump
The latest generation of high-energy-class pulsed laser facilities, under construction or planned, such as EuPRAXIA, require reliable pump sources with high power (many kW), brightness (>1 MW/cm2/sr) and electro-optical conversion efficiency (>50%). Thes...
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Huilong Liu and Yun Chen
Laser-induced graphene (LIG) films and their derivatives have been regarded as one of the most outstanding functional flexible electrodes in the past decade, which will transform society and enable new devices and developments. The aim of this Special Is...
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Hongrui Dong, Xiaoqiang Li, Ke Xu, Zhenyu Zang, Xin Liu, Zongjiang Zhang, Wenlong Xiao and Yong Li
Additive manufacturing (AM) is an important technology in Industry 4.0. In recent years, solid-state-based additive friction stir deposition (AFSD) has attracted much attention, as it can avoid the inherent defect of melting and rapid solidification in e...
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Giorgio Sebastiano Mauro, Giuseppe Torrisi, Andrea Locatelli, Alberto Bacci, Costantino De Angelis, David Mascali and Gino Sorbello
Hollow core microstructures powered by infrared lasers represent a new and promising area of accelerator research, where advanced concepts of electromagnetism must be used to satisfy multiple requirements. Here, we present the design of a dielectric elec...
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Tobias Jansen, David Blass, Sven Hartwig and Klaus Dilger
Due to the increasing demand for high-performance cells for mobile applications, the standards of the performance of active materials and the efficiency of cell production strategies are rising. One promising cell technology to fulfill the increasing req...
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Sung-Yun Kwak, Jung-Gil Yun, Jae-Hyeong Lee, Dong-Ik Shin and Chung-Yun Kang
In laser welding and hot stamping Al-Si-coated boron steel, there is a problem that the strength of the joint is lowered due to ferrite formation in the fusion zone. The purpose of this study is to develop an Al-7 wt.% Mn hot-dip coating in which Mn, an ...
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Sung-Yun Kwak, Jung-Gil Yun, Jae-Hyeong Lee, Dong-Ik Shin and Chung-Yun Kang
In laser welding and hot stamping Al-Si-coated boron steel, there is a problem that the strength of the joint is lowered due to ferrite formation in the fusion zone. The purpose of this study is to develop an Al-7 wt.% Mn hot-dip coating in which Mn, an ...
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