Microfluidic volume optical monitoring system based on functional channels integrated by hollow cylindrical waveguide

被引：10

作者：

Li, Jinjian ^{[1
]}

Liu, Yi ^{[2
]}

Li, Yan ^{[2
]}

Li, Xin ^{[3
]}

Liang, Jinjin ^{[3
]}

Qu, Shiliang ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Peoples R China

[2] Harbin Inst Technol Weihai, Sch Sci, Weihai 264209, Peoples R China

[3] Guilin Univ Elect Technol, Photon Res Ctr, Sch Elect Engn & Automat, Guilin 541004, Peoples R China

来源：

MEASUREMENT | 2022年 / 193卷

基金：

中国国家自然科学基金;

关键词：

Microfluidic volume; Real -time monitoring and manipulating; Optical monitoring system; Integration; Micro total analysis; RESONANT REFLECTING GUIDANCE; CORE FIBER; OPTOFLUIDIC DEVICE; HIGH-PRESSURE; LIQUID FLOW; SENSOR; MECHANISM;

D O I：

10.1016/j.measurement.2022.110951

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Real-time monitoring and manipulating various liquids in the microflow channels have great potentials in micro total analysis system. A novel microfluidics volume optical monitoring system (MVOMS) is proposed. Functional channels embedded with hollow cylindrical waveguide (HCW) are integrated in MVOMS, which is convenient to realize the real-time monitoring and manipulating microfluidic. The microfluidic volume can be monitored in real time and the sensitivity can reach 20.0 dB/mu L. In addition, the MVOMS can realize the monitoring of various liquid for the designed sensor structure is insensitive to the refractive index of liquid. The temperature cross and the pressure cross are tested that can be ignored. Microfluidic volume monitoring, delivering and mixing can be achieved in MVOMS. On this basis, we design an integrated light-driven microfluidic quantitative sampling system, which can sample a specific volume of microfluidic in microchips automatically and accurately.

引用

页数：9

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