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Dooyoung Hah
Dooyoung Hah
Assistant Professor of Electrical and Electronics Engineering, Abdullah Gul University
Verified email at agu.edu.tr - Homepage
Title
Cited by
Cited by
Year
A low-voltage actuated micromachined microwave switch using torsion springs and leverage
D Hah, S Hong
IEEE Transactions on Microwave theory and techniques 48 (12), 2540-2545, 2000
1962000
Low-voltage, large-scan angle MEMS analog micromirror arrays with hidden vertical comb-drive actuators
D Hah, STY Huang, JC Tsai, H Toshiyoshi, MC Wu
Journal of microelectromechanical systems 13 (2), 279-289, 2004
1882004
A scanning micromirror with angular comb drive actuation
PR Patterson, D Hah, H Nguyen, H Toshiyoshi, R Chao, MC Wu
Technical Digest. MEMS 2002 IEEE International Conference. Fifteenth IEEE …, 2002
1512002
Theory and experiments of angular vertical comb-drive actuators for scanning micromirrors
D Hah, PR Patterson, HD Nguyen, H Toshiyoshi, MC Wu
IEEE Journal of Selected Topics in Quantum Electronics 10 (3), 505-513, 2004
1382004
Pre-shaped buckled-beam actuators: theory and experiments
S Park, D Hah
Sensors and Actuators A: Physical 148 (1), 186-192, 2008
1362008
Surface-and bulk-micromachined two-dimensional scanner driven by angular vertical comb actuators
W Piyawattanametha, PR Patterson, D Hah, H Toshiyoshi, MC Wu
Journal of Microelectromechanical Systems 14 (6), 1329-1338, 2005
1272005
Angular vertical comb-driven tunable capacitor with high-tuning capabilities
HD Nguyen, D Hah, PR Patterson, R Chao, W Piyawattanametha, EK Lau, ...
Journal of Microelectromechanical systems 13 (3), 406-413, 2004
982004
A self-aligned vertical comb-drive actuator on an SOI wafer for a 2D scanning micromirror
D Hah, CA Choi, CK Kim, CH Jun
journal of micromechanics and microengineering 14 (8), 1148, 2004
662004
MEMS tunable capacitor based on angular vertical comb drives
MC Wu, HD Nguyen, DY Hah, PR Patterson
US Patent 7,085,122, 2006
602006
Open-loop operation of MEMS-based 1/spl times/N wavelength-selective switch with long-term stability and repeatability
J Tsai, S Huang, D Hah, H Toshiyoshi, MC Wu
IEEE Photonics Technology Letters 16 (4), 1041-1043, 2004
522004
1/spl times/N/sup 2/wavelength-selective switch with two cross-scanning one-axis analog micromirror arrays in a 4-f optical system
J Tsai, STY Huang, D Hah, MC Wu
Journal of lightwave technology 24 (2), 897-903, 2006
502006
Scanning micromirrors: An overview
PR Patterson, D Hah, M Fujino, W Piyawattanametha, MC Wu
Optomechatronic Micro/Nano Components, Devices, and Systems 5604, 195-207, 2004
502004
A 2D scanner by surface and bulk micromachined vertical comb actuators
W Piyawattanametha, PR Patterson, D Hah, H Toshiyoshi, MC Wu
2003 IEEE/LEOS International Conference on Optical MEMS (Cat. No. 03EX682 …, 2003
482003
Low voltage MEMS analog micromirror arrays with hidden vertical comb-drive actuators
D Hah, S Huang, H Nguyen, H Chang, JC Tsai, MC Wu, H Toshiyoshi
Proc. Solid-State Sensor, Actuator, and Microsystems Workshop, 11-14, 2002
432002
Design of electrostatic actuators for MOEMS applications
D Hah, H Toshiyoshi, MC Wu
Design, Test, Integration, and Packaging of MEMS/MOEMS 2002 4755, 200-207, 2002
432002
MEMS-actuated photonic crystal switches
MCM Lee, D Hah, EK Lau, H Toshiyoshi, M Wu
IEEE photonics technology letters 18 (2), 358-360, 2006
412006
Open-loop operation of MEMS WDM routers with analog micromirror array
S Huang, JC Tsai, D Hah, H Toshiyoshi, MC Wu
IEEE/LEOS International Conference on Optical MEMs, 179-180, 2002
352002
A low voltage, large scan angle MEMS micromirror array with hidden vertical comb-drive actuators for WDM routers
D Hah, S Huang, H Nguyen, H Chang, MC Wu, H Toshiyoshi
Optical Fiber Communications (OFC) 2002, 92-93, 2002
352002
Scanning micromirror for optical communication systems and method of manufacturing the same
DY Hah, HJ Ryu, CA Choi, CH Jun, YT Kim
US Patent 6,822,776, 2004
33*2004
Micro-optical switch and method for manufacturing the same
HJ Ryu, DY Hah, CH Jun, YT Kim
US Patent 6,791,731, 2004
262004
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