Wet-etching-assisted femtosecond laser holographic processing of a sapphire concave microlens array

2018 ◽  
Vol 57 (32) ◽  
pp. 9604 ◽  
Author(s):  
Xiao-Wen Cao ◽  
Yi-Ming Lu ◽  
Hua Fan ◽  
Hong Xia ◽  
Lei Zhang ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Microlens Array ◽  
Wet Etching

scholarly journals Underwater superoleophobic and anti-oil microlens array prepared by combing femtosecond laser wet etching and direct writing techniques

2019 ◽  
Vol 27 (24) ◽  
pp. 35903 ◽  
Author(s):  
Minjing Li ◽  
Qing Yang ◽  
Jiale Yong ◽  
Jie Liang ◽  
Yao Fang ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Microlens Array ◽  
Wet Etching ◽  
Direct Writing

scholarly journals Direct fabrication of compound-eye microlens array on curved surfaces by a facile femtosecond laser enhanced wet etching process

2016 ◽  
Vol 109 (22) ◽  
pp. 221109 ◽  
Author(s):  
Hao Bian ◽  
Yang Wei ◽  
Qing Yang ◽  
Feng Chen ◽  
Fan Zhang ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Compound Eye ◽  
Microlens Array ◽  
Wet Etching ◽  
Etching Process ◽  
Curved Surfaces ◽  
Direct Fabrication

High power supercontinuum generation by dual-color femtosecond laser pulses in fused silica

2021 ◽  
Author(s):  
Saba Zafar ◽  
Dong-Wei Li ◽  
Acner Camino ◽  
Jun-Wei Chang ◽  
Zuo-Qiang Hao
Keyword(s):  
Femtosecond Laser ◽  
High Power ◽  
Microlens Array ◽  
Laser Pulses ◽  
Femtosecond Laser Pulses ◽  
Fused Silica ◽  
Spectral Energy ◽  
Phase Matching ◽  
Fundamental Wavelength ◽  
Fundamental Laser

Abstract High power supercontinuum (SC) is generated by focusing 800 nm and 400 nm femtosecond laser pulses in fused silica with a microlens array. It is found that the spectrum of the SC is getting broader compared with the case of single laser pulse, and the spectral energy density between the two fundamental laser wavelengths is getting significantly higher by optimizing the phase matching angle of the BBO. It exceeds μJ/nm over 490 nm range which is from 380 nm to 870 nm, overcoming the disadvantage of relative lower power in the ranges far from fundamental wavelength.

scholarly journals A Microfluidic Mixer of High Throughput Fabricated in Glass Using Femtosecond Laser Micromachining Combined with Glass Bonding

Micromachines ◽  
2020 ◽  
Vol 11 (2) ◽  
pp. 213 ◽  
Author(s):  
Jia Qi ◽  
Wenbo Li ◽  
Wei Chu ◽  
Jianping Yu ◽  
Miao Wu ◽  
...  
Keyword(s):  
Femtosecond Laser ◽  
Three Dimensional ◽  
Fused Silica ◽  
Wet Etching ◽  
Mixing Efficiency ◽  
Cross Sectional ◽  
Microfluidic Mixer ◽  
Silica Substrate ◽  
Femtosecond Laser Micromachining ◽  
Bonding Method

We demonstrate a microfluidic mixer of high mixing efficiency in fused silica substrate using femtosecond laser-induced wet etching and hydroxide-catalysis bonding method. The micromixer has a three-dimensional geometry, enabling efficient mixing based on Baker’s transformation principle. The cross-sectional area of the fabricated micromixer was 0.5 × 0.5 mm2, enabling significantly promotion of the throughput of the micromixer. The performance of the fabricated micromixers was evaluated by mixing up blue and yellow ink solutions with a flow rate as high as 6 mL/min.

scholarly journals Femtosecond laser one-step direct-writing cylindrical microlens array on fused silica

2017 ◽  
Vol 42 (12) ◽  
pp. 2358 ◽  
Author(s):  
Zhi Luo ◽  
Ji’an Duan ◽  
Chunlei Guo
Keyword(s):  
Femtosecond Laser ◽  
Microlens Array ◽  
Fused Silica ◽  
Direct Writing ◽  
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