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Chen S Tsai

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Recent Articles
1.
Tsai C, Mao R, Tsai S, Shahverdi K, Zhu Y, Lin S, et al.
Micromachines (Basel) . 2017 Dec; 8(2). PMID: 29250438
An in-depth review on a new ultrasonic micro-droplet generator which utilizes megahertz (MHz) Faraday waves excited by silicon-based multiple Fourier horn ultrasonic nozzles (MFHUNs) and its potential applications is presented....
2.
Tsai S, Tsai C
IEEE Trans Ultrason Ferroelectr Freq Control . 2014 Jul; 60(8):1746-55. PMID: 25004544
A linear theory on temporal instability of megahertz Faraday waves for monodisperse microdroplet ejection based on mass conservation and linearized Navier-Stokes equations is presented using the most recently observed micrometer-...
3.
Shiraishi K, Yoda H, Tsai C
Opt Express . 2012 Nov; 20(22):24370-5. PMID: 23187200
A two-port polarization-insensitive single-mode fiber-silicon wire-waveguide coupler module, 5.3 × 3.4 × 0.7 mm(3) in size, is realized. The spot-size converter (SSC) involved utilizes a concatenated horizontal up-taper and vertical...
4.
Tsai S, Lin S, Mao R, Tsai C
Phys Rev Lett . 2012 May; 108(15):154501. PMID: 22587258
This Letter reports the first observation and theoretical analysis of a new phenomenon: one large spherical water drop ejecting simultaneously a very large number of monodisperse microdroplets. An ultrasonic nozzle...
5.
Tsai C, Mao R, Lin S, Wang N, Tsai S
Lab Chip . 2010 Aug; 10(20):2733-40. PMID: 20714509
Here we report micro-electro-mechanical system (MEMS)-based miniaturized silicon ultrasonic droplet generators of a new and simple nozzle architecture with multiple Fourier horns in resonance but without a central channel. The...
6.
Tsai S, Cheng C, Wang N, Song Y, Lee C, Tsai C
IEEE Trans Ultrason Ferroelectr Freq Control . 2009 Oct; 56(9):1968-79. PMID: 19812000
Monodisperse ethanol droplets 2.4 microm and water droplets 4.5 microm in diameter have been produced in ultrasonic atomization using 1.5- and 1.0-MHz microelectromechanical system (MEMS)-based silicon nozzles, respectively. The 1.5-...
7.
Poon T, Tsai C, Voloshinov V, Chatterjee M
Appl Opt . 2009 Mar; 48(7):ACO1-2. PMID: 19252600
This Acousto-Optics feature celebrates the scientific careers of two remarkable scientists, Antoni Sliwinski and Adrian Korpel. The feature includes original papers based on a representative selection of topics that were...
8.
Shiraishi K, Kagaya M, Muro K, Yoda H, Kogami Y, Tsai C
Appl Opt . 2008 Nov; 47(34):6345-9. PMID: 19037361
A single-mode fiber with plano-convex silicon microlens is proposed for butt-coupling between single-mode fibers and high-index-contrast waveguides with fine mode-field diameter. The lensed fiber has two specific features, high focusing...
9.
Tsai S, Song Y, Tseng T, Chou Y, Chen W, Tsai C
IEEE Trans Ultrason Ferroelectr Freq Control . 2004 May; 51(3):277-85. PMID: 15128214
This paper presents the design, simulation, and characterization of microfabricated 0.5 MHz, silicon-based, ultrasonic nozzles. Each nozzle is made of a piezoelectric drive section and a silicon resonator consisting of...