Journal
OPTICS EXPRESS
Volume 15, Issue 16, Pages 10390-10396Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.15.010390
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In clinical applications, three-dimensional (3-D) microscopic image volume reveals tissue morphological changes, which are closely related to pre-cancer and early stage disease, much better than two-dimensional images. However, the traditional endoscope only achieves two-dimensional surface images. In this paper, a 3-D endoscopic microscope was developed based on a rotational microelectromechanical system (MEMS) probe [1]. The 3-D helix scan mode was realized by combining a MEMS motor rotational scan and linear stage transversal movement. In order to coordinate the high spin speed of MEMS motor inside the endoscope, an optical coherence tomography (OCT) system with a broadband fast swept laser was used. In vivo 3-D image volumes of rabbit esophagus and trachea were demonstrated. (c) 2007 Optical Society of America.
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