Mr. Haekwan Oh Profile

Haekwan Oh

at Ajou Univ

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Author

Publications (7)

Proceedings Article | 28 February 2011 Paper

Spherical and non-spherical high fill-factor microlens arrays fabricated by polymer coating on isotropically etched quartz

Minwoo Nam, Hyunwoo Seo, Kee-Keun Lee, Geunyoung Kim, Yotak Song, Sang Sik Yang, Haekwan Oh

Proceedings Volume 7928, 792804 (2011) https://doi.org/10.1117/12.876092

KEYWORDS: Quartz, Etching, Spherical lenses, Polymers, Coating, Microlens array, Chromium, Refractive index, Photorefractive polymers, Microlens

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Proceedings Article | 28 February 2011 Paper

The interference effect of the Rayleigh wave and two intersecting shear-horizontal waves

Haekwan Oh, Sang Sik Yang, Hyungkeun Lee, Keekeun Lee

Proceedings Volume 7928, 79280N (2011) https://doi.org/10.1117/12.876069

KEYWORDS: Wave propagation interference, Signal generators, Gyroscopes, Semiconducting wafers, Wave propagation, Network security, Sensors, Acoustics, Biosensors, Velocity measurements

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Proceedings Article | 5 February 2010 Paper

Development of a microlens array (MLA) for maskless photolithography application

Sangsik Yang, Minwoo Nam, Geunyoung Kim, Haekwan Oh, Keekeun Lee

Proceedings Volume 7592, 75920R (2010) https://doi.org/10.1117/12.841552

KEYWORDS: Polymers, Quartz, Ultraviolet radiation, Photomasks, Optical lithography, Etching, Microlens array, Scanning electron microscopy, Maskless lithography, Imaging systems

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Proceedings Article | 5 February 2010 Paper

Optimal design of SAW-based gyroscope to improve sensitivity

Keekeun Lee, Haekwan Oh, Sangsik Yang

Proceedings Volume 7592, 75920O (2010) https://doi.org/10.1117/12.841531

KEYWORDS: Oscillators, Gyroscopes, Transducers, Acoustics, Reflectors, Instrument modeling, Wave propagation, Fiber optic gyroscopes, Amplifiers, Chemical elements

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Proceedings Article | 24 February 2009 Paper

Simultaneous and wireless measurement of CO2 and humidity using a SAW reflective delay line

Sangsik Yang, Keekeun Lee, Chunbae Lim, Hae-Kwan Oh, Wen Wang

Proceedings Volume 7207, 72070W (2009) https://doi.org/10.1117/12.809994

KEYWORDS: Humidity, Carbon dioxide, Sensors, Reflectors, Gas sensors, Reflectivity, Reflection, Phase shifts, Chemical fiber sensors, Atrial fibrillation

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Proceedings Article | 24 February 2009 Paper

Sensitivity evaluation of a Love wave sensor with multilayer structure for biochemical application

Keekeun Lee, Sangsik Yang, Haekwan Oh, Wen Wang

Proceedings Volume 7207, 72070R (2009) https://doi.org/10.1117/12.809982

KEYWORDS: Polymethylmethacrylate, Silica, Multilayers, Wave sensors, Signal attenuation, Wave propagation, Gold, Dispersion, Acoustics, Waveguides

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Proceedings Article | 9 February 2009 Paper

Development of a novel surface acoustic wave MEMS-IDT gyroscope

Wen Wang, Keekeun Lee, Haekwan Oh, Sungjin Yun, Sangsik Yang

Proceedings Volume 7206, 72060I (2009) https://doi.org/10.1117/12.809991

KEYWORDS: Gyroscopes, Resonators, Oscillators, Transducers, Reflectors, Network security, Acoustics, Aluminum, Microelectromechanical systems, Sensors

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Showing 5 of 7 publications

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