Self-assembled micropillars fabricated by holographic femtosecond multi-foci beams for in situ trapping of microparticles

Hu Yanlei; Feng Wenfei; Xue Cheng; Lao Zhaoxin; Ji Shengyun; Cai Ze; Zhu Wulin; Li Jiawen; Wu Dong; Chu Jiaru

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Self-assembled micropillars fabricated by holographic femtosecond multi-foci beams for in situ trapping of microparticles

机译：由全息飞秒型多灶梁制造的自组装微粒，用于沿着微粒的原位诱捕

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Dynamic self-assembly of micropillars has found wide applications in targeted trapping, micro-crystallisation and plasmonic sensing. Yet the efficient fabrication of micropillars array with high flexibility still remains a grand challenge. In this Letter, holographic femtosecond laser multi-foci beams (fs-MFBs) based on a spatial light modulator (SLM) is adopted to efficiently create micropillars array with controllable geometry and spatial distribution by predesigning the computer-generated holograms (CGHs). Based on these micropillars array, diverse hierarchical assemblies are formed under the evaporation-induced capillary force. Moreover, taking advantage of the excellent flexibility and controllability of fs-MFBs, on-demand one-bead-to-one-trap of targeted microspheres at arbitrary position is demonstrated with unprecedentedly high capture efficiency, unfolding their potential applications in the fields of microfluidics and biomedical engineering. (C) 2020 Optical Society of America

机译：MicroPillars的动态自组装在有针对性的诱捕，微结晶和等离子体传感中发现了广泛的应用。然而，高灵活性的微量阵列的高效制造仍然是一个大挑战。在这封信中，基于空间光调制器（SLM）的全息飞秒激光多焦谱束（FS-MFBS）被采用通过预测计算机生成的全息图（CGHS）有效地创建具有可控几何形状和空间分布的微量磁阵列。基于这些微量硅阵列，在蒸发诱导的毛细力下形成不同的层次组件。此外，利用FS-MFB的优异柔韧性和可控性，以前所未有的高捕获效率来证明在任意位置处的目标微球的按需一次性微球，展开其在微流体领域的潜在应用和生物医学工程。（c）2020美国光学学会

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来源
《Optics Letters》 |2020年第17期|共4页
作者
Hu Yanlei; Feng Wenfei; Xue Cheng; Lao Zhaoxin; Ji Shengyun; Cai Ze; Zhu Wulin; Li Jiawen; Wu Dong; Chu Jiaru;
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作者单位

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

Univ Sci &

Technol China Dept Precis Machinery &

Precis Instrumentat Key Lab Precis Sci Instrumentat Anhui Higher Educ CAS Key Lab Mech Behav &

Design Mat Hefei 230026 Peoples R China;

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正文语种 eng
中图分类计量学;光学;
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专利

1. Self-assembled micropillars fabricated by holographic femtosecond multi-foci beams for in situ trapping of microparticles [J] . Hu Yanlei, Feng Wenfei, Xue Cheng, Optics Letters . 2020,第17期

机译：由全息飞秒型多灶梁制造的自组装微粒，用于沿着微粒的原位诱捕
2. Spiral Microchannels with Trapezoidal Cross Section Fabricated by Femtosecond Laser Ablation in Glass for the Inertial Separation of Microparticles [J] . Ala’aldeen Al-Halhouli, Wisam Al-Faqheri, Baider Alhamarneh, Micromachines . 2018,第4期

机译：飞秒激光烧蚀在玻璃中制造的梯形截面螺旋微通道，用于惯性分离微粒
3. Rapid, controllable fabrication of regular complex microarchitectures by capillary assembly of micropillars and their application in selectively trapping/releasing microparticles [J] . Wu D., Wu S.-Z., Zhao S., Small . 2013,第5期

机译：通过微柱的毛细管组装快速，可控地制造规则的复杂微体系结构，并将其应用于选择性捕获/释放微粒
4. Ultrasonic microparticle trapping by multi-foci Fresnel lens [C] . Choe Youngki, Kim Jonathan W., Shung K. Kirk, 2011 Joint Conference of the IEEE International Frequency Control Symposium European Frequency and Time Forum . 2011

机译：多焦点菲涅耳透镜捕获超声波微粒
5. Mechanistic study of self-assembled tungsten nanogratings on solids induced by femtosecond laser beam. [D] . Tang, Mingzhen. 2010

机译：飞秒激光束在固体上自组装钨纳米光栅的机理研究。
6. Trapping and rotating microparticles and bacteria with moiré-based optical propelling beams [O] . Peng Zhang, Daniel Hernandez, Drake Cannan, 2012

机译：使用基于摩尔的光学推进光束诱捕和旋转微粒和细菌
7. Spiral Microchannels with Trapezoidal Cross Section Fabricated by Femtosecond Laser Ablation in Glass for the Inertial Separation of Microparticles [O] . Ala’aldeen Al-Halhouli, Wisam Al-Faqheri, Baider Alhamarneh, 2018

机译：具有梯形横截面的螺旋微通道，由Femtosecond激光消融玻璃中的微粒惯性分离

Self-assembled micropillars fabricated by holographic femtosecond multi-foci beams for in situ trapping of microparticles

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