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Title: A 3mm endoscopic probe with integrated MEMS micromirror for optical coherence tomography bioimaging
Authors: Mu, X.J.
Zhou, G.Y. 
Feng, H.H.
Xu, Y.S.
Yu, A.B.
Tan, C.W.
Chen, K.W.S.
Xie, J.
Chau, F.S. 
Keywords: Micromirror
OCT probe
Issue Date: 2010
Citation: Mu, X.J., Zhou, G.Y., Feng, H.H., Xu, Y.S., Yu, A.B., Tan, C.W., Chen, K.W.S., Xie, J., Chau, F.S. (2010). A 3mm endoscopic probe with integrated MEMS micromirror for optical coherence tomography bioimaging. Procedia Engineering 5 : 681-684. ScholarBank@NUS Repository.
Abstract: A 3mm diameter endoscopic probe for Optical Coherence Tomography (OCT) has been developed. It consists of a 1mm diameter micromirror, a silicon optical bench (SiOB), a gradient refractive index (GRIN) lens and a single mode optical fiber. The optical probe is enclosed within a biocompatible, transparent and waterproof polycarbonate tube for in vivo diagnostic applications. The two-axis scanning micromirror is driven by electrothermal actuators with a voltage less than 2V for a mechanical deflection of up to 11° . By integrating the MEMS micromirror with a commercial Optical Coherence Tomography system and miniaturized probe, high resolution 2-D/3-D in vivo and in situ images and excellent optical sectioning for imaging multilayer microstructures of internal organs can be realized. The capability of the system is demonstrated by obtaining a 2-D image of an onion.
Source Title: Procedia Engineering
ISSN: 18777058
DOI: 10.1016/j.proeng.2010.09.201
Appears in Collections:Staff Publications

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