期刊
OPTICS LETTERS
卷 37, 期 13, 页码 2673-2675出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.37.002673
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资金
- National Research Foundation of Korea (NRF)
- Korean government (MEST) [2011-0031868, 2011-0016481]
- KAIST Future Systems Healthcare Project from the Ministry of Education, Science and Technology
- National Research Foundation of Korea [2011-0031868] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
This Letter reports a fully packaged microelectromechanical system (MEMS) endoscopic catheter for forward imaging optical coherence tomography (OCT). Two-dimensional optical scanning of Lissajous patterns was realized by the orthogonal movement of two commercial aspherical glass lenses laterally mounted on two resonating electrostatic MEMS microstages at low operating voltages. The MEMS lens scanner was integrated on a printed circuit board and packaged with an aluminum housing, a gradient index fiber collimator, and an objective lens. A home-built spectral-domain OCT system with 60 kHz A-line acquisition rate was combined with the endoscopic MEMS catheter. Three-dimensional images of 256 x 256 x 995 voxels were directly reconstructed by mapping the A-line datasets along the Lissajous patterns. The endoscopic catheter can provide a new direction for forward endoscopic OCT imaging. (C) 2012 Optical Society of America
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