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Kah How Koh
Kah How Koh
Senior Lecturer, Republic Polytechnic, Singapore
Bestätigte E-Mail-Adresse bei rp.edu.sg - Startseite
Titel
Zitiert von
Zitiert von
Jahr
Characterization of piezoelectric PZT beam actuators for driving 2D scanning micromirrors
KH Koh, T Kobayashi, FL Hsiao, C Lee
Sensors and Actuators A: Physical 162 (2), 336-347, 2010
772010
Ultra-wide frequency broadening mechanism for micro-scale electromagnetic energy harvester
H Liu, K How Koh, C Lee
Applied Physics Letters 104 (5), 2014
702014
A self-powered 3D activity inertial sensor using hybrid sensing mechanisms
KH Koh, Q Shi, S Cao, D Ma, HY Tan, Z Guo, C Lee
Nano energy 56, 651-661, 2019
622019
A 2-D MEMS scanning mirror based on dynamic mixed mode excitation of a piezoelectric PZT thin film S-shaped actuator
KH Koh, T Kobayashi, C Lee
Optics express 19 (15), 13812-13824, 2011
602011
A 1-V operated MEMS variable optical attenuator using piezoelectric PZT thin-film actuators
C Lee, FL Hsiao, T Kobayashi, KH Koh, PV Ramana, W Xiang, B Yang, ...
IEEE journal of selected topics in quantum electronics 15 (5), 1529-1536, 2009
562009
A Two-Dimensional MEMS Scanning Mirror Using Hybrid Actuation Mechanisms With Low Operation Voltage
KH Koh, C Lee
Microelectromechanical Systems, Journal of 21 (5), 1124-1135, 2012
492012
A piezoelectric-driven three-dimensional MEMS VOA using attenuation mechanism with combination of rotational and translational effects
KH Koh, C Lee, T Kobayashi
Journal of microelectromechanical systems 19 (6), 1370-1379, 2010
412010
Investigation of piezoelectric driven MEMS mirrors based on single and double S-shaped PZT actuator for 2-D scanning applications
KH Koh, T Kobayashi, C Lee
Sensors and Actuators A: Physical 184, 149-159, 2012
382012
Novel piezoelectric actuation mechanism for a gimbal-less mirror in 2D raster scanning applications
KH Koh, T Kobayashi, J Xie, A Yu, C Lee
Journal of Micromechanics and Microengineering 21 (7), 075001, 2011
362011
A 2-D MEMS scanning mirror using piezoelectric PZT beam actuators
KH Koh, T Kobayashi, FL Hsiao, C Lee
Procedia Chemistry 1 (1), 1303-1306, 2009
222009
Low-voltage driven MEMS VOA using torsional attenuation mechanism based on piezoelectric beam actuators
KH Koh, T Kobayashi, C Lee
IEEE Photonics Technology Letters 22 (18), 1355-1357, 2010
202010
Design and characterization of a 3D MEMS VOA driven by hybrid electromagnetic and electrothermal actuation mechanisms
KH Koh, Y Qian, C Lee
Journal of Micromechanics and Microengineering 22 (10), 105031, 2012
192012
Fabry–Perot filter using grating structures
YS Lin, CP Ho, KH Koh, C Lee
Optics letters 38 (6), 902-904, 2013
172013
Study of hybrid driven micromirrors for 3-D variable optical attenuator applications
KH Koh, BW Soon, JM Tsai, AJ Danner, C Lee
Optics Express 20 (19), 21598-21611, 2012
122012
Development of CMOS MEMS thermal bimorph actuator for driving microlens
KH Koh, C Lee, JH Lu, CC Chen
16th International Conference on Optical MEMS and Nanophotonics, 153-154, 2011
122011
A low power 2-D raster scanning MEMS mirror driven by hybrid electrothermal and electromagnetic actuation mechanisms
KH Koh, C Lee
112012
Investigation of a piezoelectric driven MEMS mirror based on single S-shaped PZT actuator
KH Koh, T Kobayashi, H Liu, C Lee
Procedia Engineering 25, 701-704, 2011
52011
A 3-D MEMS VOA using translational attenuation mechanism based on piezoelectric PZT thin film actuators
KH Koh, C Leea, T Kobayashi
Procedia Engineering 5, 613-616, 2010
22010
3-D MEMS VOA using electromagnetic and electrothermal actuations
KH Koh, C Lee
2012 17th Opto-Electronics and Communications Conference, 255-256, 2012
12012
A 2-D raster scanning mirror driven by piezoelectric cantilever actuator array in combinational mode—Bending and torsional
KH Koh, T Kobayashi, C Lee
16th International Conference on Optical MEMS and Nanophotonics, 41-42, 2011
2011
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