Dr. Hee Kyung Ahn Profile

Dr. Hee Kyung Ahn

at Korea Research Institute of Standards and Science

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Author

Publications (4)

SPIE Journal Paper | 20 April 2023

Tunable reflective Fourier ptychographic microscopy using a digital micromirror device and an LED source

Van Huan Pham, Byong Hyuk Chon, Hee Kyung Ahn

OE, Vol. 62, Issue 04, 044106, (April 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.4.044106

KEYWORDS: Light emitting diodes, Digital micromirror devices, Microscopy, LED lighting, Micromirrors, Light sources and illumination, Lenses, Objectives, Optical engineering, Beam diameter

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SPIE Journal Paper | 15 September 2022

Fast calculation of subpixel shift for aperture synthesis in digital holographic microscopy

Hwihyeong Lee, Hee Kyung Ahn

OE, Vol. 61, Issue 09, 093104, (September 2022) https://doi.org/10.1117/12.10.1117/1.OE.61.9.093104

KEYWORDS: Digital holography, Holography, Synthetic apertures, Microscopy, Image processing, Objectives, 3D image reconstruction, Optical engineering, Microscopes, Fourier transforms

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Proceedings Article | 20 February 2015 Paper

Current status of Kumgang laser system

Hong Jin Kong, Sangwoo Park, HeeKyung Ahn, Hwihyeong Lee, Jungsuk Oh, Jom Sool Kim

Proceedings Volume 9342, 93421N (2015) https://doi.org/10.1117/12.2078499

KEYWORDS: Amplifiers, Nd:YAG lasers, Laser systems engineering, Laser scattering, Beam splitters, Laser applications, Bragg cells, Laser development, Phase conjugation, High power lasers

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Proceedings Article | 26 May 2011 Paper

The effects of two noises from passive FTIR (Fourier transform infrared) spectroscopy system on the detection probability of stand-off hazardous compounds with passive Fourier transform infrared spectroscopy system using Michelson interferometer

Hee Kyung Ahn, Hong Jin Kong, Kang Sup Shim

Proceedings Volume 8024, 80240V (2011) https://doi.org/10.1117/12.882820

KEYWORDS: Signal to noise ratio, Spectroscopy, FT-IR spectroscopy, Sensors, Mirrors, Interference (communication), Michelson interferometers, Signal detection, Infrared spectroscopy, Fourier transforms

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