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Jung, Woonggyu
Translational Biophotonics Laboratory (TBL)
Research Interests
  • Translational optical imaging, optical stimulation, multi-scale imaging, neuro-photonics, mobile-based medical device

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Lateral resolution enhancement using programmable phase modulator in optical coherence tomography

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Title
Lateral resolution enhancement using programmable phase modulator in optical coherence tomography
Author
Shirazi, Muhammad FaizanCho, Nam HyunJung, WoonggyuKim, Jeehyun
Issue Date
2015-08
Publisher
IOS PRESS
Citation
BIO-MEDICAL MATERIALS AND ENGINEERING, v.26, pp.S1465 - S1471
Abstract
Adaptive optics plays an important role in the correction of high-order aberrations to enhance lateral resolution. An OCT system coupled with a programmable phase modulator is designed to verify lateral resolution improvement. The Hamamatsu high-resolution, non-pixelized, optically addressed light modulator (PAL-SLM) PPM X7550 series is used to correct aberrations, utilizing a simple method based on phase information from OCT images. The advantages of this method are its high simplicity and low cost. A raster scanning technique is adopted to scan samples covered with scattering suspension. Metal lines covered with scattering suspension are imaged, and a respective correction is applied to remove the aberration. Results demonstrate an improvement in lateral resolution on metal grid samples
URI
https://scholarworks.unist.ac.kr/handle/201301/17483
URL
http://content.iospress.com/articles/bio-medical-materials-and-engineering/bme1445
DOI
10.3233/BME-151445
ISSN
0959-2989
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BME_Journal Papers
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