Results 41 to 50 of about 1,414,761 (230)

New Sol-Gel Solution with 45 Days Stability for Preparation Silica Thin Films [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2007
As we know sol-gel is one of the most important techniques for thin film preparation. In this paper, high transmission silica thin films have been prepared by dip-coating process from a new silicon-alkoxide solution.
Hadi Adelkhani, Bahram Mellatnavaz, Hossein Roohi, Mansoor Noorbakhsh   +3 more
doaj  

Development of Laser Processing Carbon-Fiber-Reinforced Plastic

Sensors, 2023
Due to its exceptional advantages, such as high specific strength, high specific modulus, and good fatigue resistance, carbon-fiber-reinforced plastic (CFRP) is frequently utilized in aerospace, aviation, automotive, rail transportation, and other areas.
Zhonghe Wang, Yao Ma, Boshi Yuan, Chunting Wu, Changqing Li, Shuwei Sun   +5 more
doaj   +1 more source

Experimental Study of Plasma Plume Analysis of Long Pulse Laser Irradiates CFRP and GFRP Composite Materials

Crystals, 2021
The application of laser fabrication of fiber-reinforced polymer (FRP) has an irreplaceable advantage. However, the effect of the plasma generated in laser fabrication on the damage process is rarely mentioned.
Yao Ma, Chao Xin, Wei Zhang, Guangyong Jin   +3 more
doaj   +1 more source

0.74 W Broadband Degenerate Femtosecond MgO-Doped Periodically Poled Lithium Niobate (MgO: PPLN) Optical Parametric Oscillator at 2056 nm

Photonics
The degenerate optical parametric oscillator (OPO) is demonstrated to generate high-power, broadband mid-infrared MgO-doped periodically poled lithium niobate (MgO:PPLN) femtosecond laser at 151 MHz, synchronously pumped by a commercial Kerr-lens mode ...
Yuxiang Zhao, Bobo Wang, Jinfang Yang, Taotao He, Hao Xu, Xue Qiu, Zhong Dong, Weijun Ling   +7 more
doaj   +1 more source

Femtosecond Pulse Generation by Nonlinear Optical Gain Modulation

Advanced Photonics Research, 2022
Many approaches have been explored to generate ultrafast lasers including mode locking, microresonators, electro‐optic modulation, and gain‐switched diodes. Despite much progress, it is still challenging to generate high‐performance ultrafast pulses with
Weiao Qi, Jiaqi Zhou, Shuzhen Cui, Xin Cheng, Xin Zeng, Yan Feng   +5 more
doaj   +1 more source

Study on the Internal Mechanism of APD Photocurrent Characteristics Caused by the ms Pulsed Infrared Laser Irradiation

Crystals, 2021
In this paper, the sampling current characteristics of the external circuit and the internal mechanism of the current generation in APD irradiated by a millisecond pulse laser were studied.
Liang Chen, Di Wang, Guang-Yong Jin, Zhi Wei   +3 more
doaj   +1 more source

Dominant Secondary Nuclear Photoexcitation with the X-ray Free Electron Laser

, 2014
The new regime of resonant nuclear photoexcitation rendered possible by x-ray free electron laser beams interacting with solid state targets is investigated theoretically.
Gunst, Jonas, Keitel, Christoph H., Litvinov, Yuri A., Pálffy, Adriana   +3 more
core   +1 more source

Multi-mJ SWIR OPCPA pumped and seeded with 1.2 ps Yb:YAG laser [PDF]

EPJ Web of Conferences, 2022
Petrulėnas Augustinas, Butkutė Aistė, Mackonis Paulius, Rodin Aleksej M.   +3 more
doaj   +1 more source

Solid-State Excitation Laser for Laser-Ultrasonics [PDF]

, 2010
The inspection speed of laser-ultrasonics compared with conventional ultrasonic testing is limited by the pulse repetition rate of the excitation laser.
Fix, A., Frede, M., Mahnke, P., Neumann, J., Peuser, P., Platz, W., Schnars, U.   +6 more
core  

High-power passively Q-switched 2.0 μm all-solid-state laser based on a MoTe2 saturable absorber.

Optics Express, 2018
In this article, a high-power diode-end-pumped passively Q-switched (PQS) Tm:YAP laser is reported with novel two-dimension (2D) molybdenum ditelluride (MoTe2) as a saturable absorber (SA).
Bingzheng Yan, Baitao Zhang, Hongkun Nie, Haoyuan Wang, Guoru Li, Xiaoli Sun, Ruihua Wang, Na Lin, Jingliang He   +8 more
semanticscholar   +1 more source