Analysis of natural frequency for imaging interface in liquid lens

doi:10.1088/1674-1056/ac229c

中国物理B ›› 2021, Vol. 30 ›› Issue (10): 104702-104702.doi: 10.1088/1674-1056/ac229c

Analysis of natural frequency for imaging interface in liquid lens

Na Xie(谢娜)^†

College of Electronic and Optical Engineering and College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

收稿日期:2021-02-11 修回日期:2021-08-19 接受日期:2021-09-01 出版日期:2021-09-17 发布日期:2021-09-30
通讯作者: Na Xie E-mail:xienns@hotmail.com

Analysis of natural frequency for imaging interface in liquid lens

Na Xie(谢娜)^†

College of Electronic and Optical Engineering and College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing 210023, China

Received:2021-02-11 Revised:2021-08-19 Accepted:2021-09-01 Online:2021-09-17 Published:2021-09-30
Contact: Na Xie E-mail:xienns@hotmail.com

摘要/Abstract

摘要： Transmission beam can be modulated at the liquid-liquid interface inside an electrowetting liquid lens. The fluctuation characteristics of the interface has a decisive effect on the beam modulation. A closed cylinder in capillary constant scale is analyzed and the natural frequencies of a flat interface are obtained using capillary wave hydrodynamics. Results in modes 0 and 1 are in good agreement with previous experiments in the literature. The influences of the radius, the height ratio and the height-to-diameter ratio of a liquid lens on the interface eigenfrequencies are analyzed.

关键词: natural frequency, liquid-liquid interface, capillary wave, liquid lens

Abstract: Transmission beam can be modulated at the liquid-liquid interface inside an electrowetting liquid lens. The fluctuation characteristics of the interface has a decisive effect on the beam modulation. A closed cylinder in capillary constant scale is analyzed and the natural frequencies of a flat interface are obtained using capillary wave hydrodynamics. Results in modes 0 and 1 are in good agreement with previous experiments in the literature. The influences of the radius, the height ratio and the height-to-diameter ratio of a liquid lens on the interface eigenfrequencies are analyzed.

Key words: natural frequency, liquid-liquid interface, capillary wave, liquid lens

中图分类号: (Computational methods in fluid dynamics)

47.11.-j

47.35.-i (Hydrodynamic waves) 42.79.Bh (Lenses, prisms and mirrors) 42.15.Eq (Optical system design)

Na Xie(谢娜). Analysis of natural frequency for imaging interface in liquid lens[J]. 中国物理B, 2021, 30(10): 104702-104702.

Na Xie(谢娜). Analysis of natural frequency for imaging interface in liquid lens[J]. Chin. Phys. B, 2021, 30(10): 104702-104702.

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Analysis of natural frequency for imaging interface in liquid lens

Analysis of natural frequency for imaging interface in liquid lens

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