Results 21 to 30 of about 1,961,575 (288)
Applied Sciences, 2022 Non-cylindrical vectorial femtosecond lasers are employed to irradiate tungsten surfaces. Compound nanopatterns composed of periodic nanoholes and semi-circular curved ripples are produced by scanning the target relative to the laser beam. The tangential
Tingyuan Wang, Lie Lin, Nan Zhang
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Micromachining of polycrystalline CVD diamond-coated cutting tool with femtosecond laser
Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2020 To enhance the cutting performance of chemical vapor deposit (CVD) diamond-coated tool, a short pulse laser grinding technique is applied. However, the thermal impact of a nanosecond laser damages the diamond crystallinity of the processed surface.
Xiaoxu LIU +3 more
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Frontiers in Bioengineering and Biotechnology, 2022 In this study, a femtosecond laser with a wavelength of 800 nm was used to modify the surface of a titanium alloy bone scaffold created via selective laser melting (SLM).
Su Wang +10 more
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AIP Advances, 2023 Various types of micro-/nanostructures can be fabricated by femtosecond laser irradiation on metal surfaces. It has received extensive attention and research because of its potential application value. In this paper, the effect of laser focusing position
Lin Song +4 more
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Frontiers in Medicine, 2022 PurposeTo assess the effects of femtosecond laser arcuate keratotomy with femtosecond laser-assisted cataract surgery in the management of corneal astigmatism, compared with conventional phacoemulsification cataract surgery.DesignRetrospective ...
Hyunmin Ahn +7 more
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Optical Angle Sensor Technology Based on the Optical Frequency Comb Laser
Applied Sciences, 2020 A mode-locked femtosecond laser, which is often referred to as the optical frequency comb, has increasing applications in various industrial fields, including production engineering, in the last two decades.
Yuki Shimizu, Hiraku Matsukuma, Wei Gao
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Generation of femtosecond light pulses in the near infrared around λ = 850 nm [PDF]
, 1986 Femtosecond light pulses tunable between 840 nm and 880 nm are generated in a synchronously pumped ring dye laser. The laser emits nearly bandwidth-limited pulses (Δv tp = 0.45) with pulse durations down to 65 fs.
Dietel +13 more
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Nanomaterials, 2022 We studied the antimicrobial effect of gold quantum dots (AuQDs), femtosecond laser irradiation, and the combined effect of laser irradiation and AuQD treatment against common infectious eye pathogens.
Ahmed O. El-Gendy +5 more
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Femtosecond laser programmed artificial musculoskeletal systems
Nature Communications, 2020 Natural musculoskeletal systems have been widely recognized as an advanced robotic model for designing robust yet flexible microbots. However, the development of artificial musculoskeletal systems at micro-nanoscale currently remains a big challenge ...
Zhuo-Chen Ma +6 more
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Gigahertz femtosecond Cr:ZnS laser [PDF]
Advanced Solid State Lasers, 2014 We demonstrate the first Cr:ZnS laser with a gigahertz pulse repetition rate. The passively mode-locked by the graphene-based mirror laser provides 105 mW output power with 180 fs pulse duration and 110 pJ pulse energy.
Tolstik, Nikolai +2 more
openaire +2 more sources