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논문 기본 정보

자료유형
학술저널
저자정보
Sewon Kang (Seoul National University) Inkeon Ryu (Dankook University) Daekeun Kim (Dankook University) Sang Ken Kauh (Seoul National University)
저널정보
한국광학회 Current Optics and Photonics Current Optics and Photonics Vol.2 No.6
발행연도
2018.12
수록면
568 - 575 (8page)

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초록· 키워드

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Various techniques to measure the three-dimensional (3D) surface profile of a 3D micro- or nanostructure have been proposed. However, it is difficult to apply such techniques directly to industrial uses because most of them are relatively slow, unreliable, and expensive. The HiLo optical imaging technique, which was recently introduced in the field of fluorescence imaging, is a promising wide-field imaging technique capable of high-speed imaging with a simple optical configuration. It has not been used in measuring a 3D surface profile although confocal microscopy originally developed for fluorescence imaging has been adapted to the field of 3D optical measurement for a long time. In this paper, to the best of our knowledge, the HiLo optical imaging technique for measuring a 3D surface profile is proposed for the first time. Its optical configuration and algorithm for a precisely detecting surface position are designed, optimized, and implemented. Optical performance for several 3D microscale structures is evaluated, and it is confirmed that the capability of measuring a 3D surface profile with HiLo optical imaging technique is comparable to that with confocal microscopy.

목차

I. INTRODUCTION
II. METHODS
III. RESULTS AND DISCUSSION
IV. CONCLUSION
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