IEICE Electronics Express
Online ISSN : 1349-2543
ISSN-L : 1349-2543
LETTER
Optical coherence tomography by all-optical MEMS fiber endoscope
Muneki NakadaChongho ChongAtsushi MorosawaKeiji IsamotoTakuya SuzukiHiroyuki FujitaHiroshi Toshiyoshi
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2010 Volume 7 Issue 6 Pages 428-433

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Abstract

This paper presents the first successful demonstration of all-optical MEMS (microelectromechanical system) fiber endoscope for OCT (optical coherence tomography) measurement. A MEMS optical scanner for spatial light modulation has been assembled in the endoscope probe head (φ6mm) with optical components and a photovoltaic cell. Actuation energy for the MEMS scanner is optically supplied by using a 1.5µm light of 10mW, and OCT probing is operated by another wavelength at 1.3µm. Use of optical fiber for both powering and measurement makes a safe endoscope that is free from the risk of electrocution or electromagnetic interference.

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© 2010 by The Institute of Electronics, Information and Communication Engineers
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