Dr. Woosung Ha Profile

Dr. Woosung Ha

Process Control Technologist at Lam Research Korea

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Publications (3)

Proceedings Article | 17 May 2011 Paper

Micro fluidic channel actuator using optical force induced by evanescent field material coupling

Honggu Choi, Woosung Ha, Minkyu Park, Kyunghwan Oh

Proceedings Volume 7753, 775359 (2011) https://doi.org/10.1117/12.886038

KEYWORDS: Geometrical optics, Refractive index, Microfluidics, Liquids, Channel projecting optics, Waveguides, Optical fibers, Single mode fibers, Head, Actuators

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Proceedings Article | 16 May 2008 Paper

Long-range quasi-distributed high temperature sensing based on fiber Bragg grating imbedded in high thermal conductive sheath cable

W. Ha, J. Kim, M. Park, A. Csipkes, K. Oh

Proceedings Volume 7004, 700465 (2008) https://doi.org/10.1117/12.787175

KEYWORDS: Fiber Bragg gratings, Temperature sensors, Sensors, Optical fibers, Nitrogen, Temperature metrology, Sensing systems, Thermal sensing, Rayleigh scattering, Fiber optics sensors

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Proceedings Article | 25 February 2008 Paper

Speckle reduction in multimode fiber with a piezoelectric transducer in radial vibration for fiber laser marking and display applications

W. Ha, S. Lee, Y. Jung, J. Kim, K. Oh

Proceedings Volume 6873, 68731V (2008) https://doi.org/10.1117/12.774889

KEYWORDS: Speckle, Ferroelectric materials, Speckle pattern, Actuators, Fiber lasers, Laser marking, Multimode fibers, Transducers, Optical fibers, CCD cameras

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