Results 1 to 10 of about 1,271,300 (239)

The Acoustic Characteristic Investigation of Micro Plasma Shock Wave Obtained by Femtosecond Laser Ablation of Silicon Wafer Surface

MATEC Web of Conferences, 2016
We experimentally investigate the acoustic characteristic of micro plasma shock wave obtained by femtosecond laser ablation of silicon wafer surface using F-P optical fiber acoustic sensor with anti electromagnetic interference.
Zhong Dong, Li Zhong Ming, Chen Chun, Ruan Ruo Lin   +3 more
doaj   +1 more source

Improved Femtosecond Laser-Assisted Phacoemulsification of Hard Nucleus Cataract

Oftalʹmologiâ, 2020
Purpose: The development and clinical study of improved femtosecond laser-assisted phacoemulsification (PE) technology of hard nucleus cataract.Patients and methods. Improved femtosecond laser-assisted PE of hard nucleus cataract performed in 83 patients
Yu. N. Yousef, G. V. Voronin, S. N. Yousef, A. S. Vvedenskiy, L. Alkharki, N. Y. Shkolyarenko, E. V. Reznikova   +6 more
doaj   +1 more source

Flap Thickness and the Risk of Complications in Mechanical Microkeratome and Femtosecond Laser In Situ Keratomileusis: A Literature Review and Statistical Analysis

Diagnostics, 2021
Introduction: A recent Cochrane review found no difference in visual acuity outcomes between femtosecond-assisted laser in situ keratomileusis (LASIK) and LASIK using mechanical microkeratomes (MMKs).
Piotr Kanclerz, Ramin Khoramnia
doaj   +1 more source

Effect of Femtosecond Laser Polarization on the Damage Threshold of Ta₂O₅/SiO₂ Film

Applied Sciences, 2022
The study used linearly and circularly polarized femtosecond pulsed lasers to irradiate a Ta2O5/SiO2 film. Firstly, the damage thresholds of the film for linearly and circularly polarized femtosecond pulsed lasers were measured in 1-on-1 mode.
Luwei Zhang, Xiaodong Jia, Yunzhe Wang, Yin Zhang, Anmin Chen, Junfeng Shao, Changbin Zheng   +6 more
doaj   +1 more source

Femtosecond laser-assisted intrastromal MyoRing implantation for correction of irregular astigmatism after penetrating keratoplasty and high myopia

Indian Journal of Ophthalmology. Case Reports, 2021
MyoRing was implanted using a femtosecond laser to correct a high irregular corneal astigmatism after penetrating keratoplasty and high myopia. Femtosecond laser-assisted intrastromal MyoRing implantation allows to increase its sphericity, regularity and
Pozdeyeva Nadezhda Aleksandrovna, Sinitsyn Maksim Vladimirovich   +1 more
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Ultrafast Photoexcitation Induced Nonthermal Lattice Expansion in 2D Perovskite

Advanced Science
Light‐induced lattice change of perovskites is found to be critical for device performance. However, the underlying mechanism is still not fully understood.
Xiangyu Chen, Jiakang Zhou, Yunfan Yue, Zhongle Zeng, Xuewen Wang   +4 more
doaj   +1 more source

Femtosecond Laser Assisted Cataract Surgery in White Cataract

Delhi Journal of Ophthalmology, 2015
Aim: To demonstrate application of femtosecond laser technology in patients with white cataract. Methods: Video-based description of successful management of intumescent white cataract with femtosecond laser technology.
Jeewan Singh Titiyal, Tarun Arora
doaj   +1 more source

Mathematical model оf laser radiation femtosecond interaction with human skin

Journal of Biomedical Photonics & Engineering, 2016
We present a mathematical model of linear and nonlinear processes that occur under the action of femtosecond laser radiation on the cutaneous covering.
Pavel Rogov, Viktor Bespalov
doaj   +1 more source

Femtosecond Laser Drilling of Cylindrical Holes for Carbon Fiber-Reinforced Polymer (CFRP) Composites

Molecules, 2021
Ultrafast laser drilling has been proven to effectively reduce the heat-affected zone (HAZ) of carbon fiber-reinforced polymer (CFRP) composites. However, previous research mainly focused on the effects of picosecond laser parameters on CFRP drilling ...
Hao Jiang, Caiwen Ma, Ming Li, Zhiliang Cao   +3 more
doaj   +1 more source

Isotropic sintering shrinkage of 3D glass-ceramic nanolattices: backbone preforming and mechanical enhancement

International Journal of Extreme Manufacturing
There is a perpetual pursuit for free-form glasses and ceramics featuring outstanding mechanical properties as well as chemical and thermal resistance.
Nianyao Chai, Yunfan Yue, Xiangyu Chen, Zhongle Zeng, Sheng Li, Xuewen Wang   +5 more
doaj   +1 more source