MEMS scanning micromirror for optical coherence tomography

Biomed Opt Express. 2014 Dec 17;6(1):211-24. doi: 10.1364/BOE.6.000211. eCollection 2015 Jan 1.

Abstract

This paper describes an endoscopic-inspired imaging system employing a micro-electromechanical system (MEMS) micromirror scanner to achieve beam scanning for optical coherence tomography (OCT) imaging. Miniaturization of a scanning mirror using MEMS technology can allow a fully functional imaging probe to be contained in a package sufficiently small for utilization in a working channel of a standard gastroesophageal endoscope. This work employs advanced image processing techniques to enhance the images acquired using the MEMS scanner to correct non-idealities in mirror performance. The experimental results demonstrate the effectiveness of the proposed technique.

Keywords: (100.0100) Image processing; (170.2150) Endoscopic imaging; (230.0230) Optical devices; (230.4685) Optical microelectromechanical devices.