We have developed photoacoustic endoscopy with a miniaturized imaging probe. A light-guiding optical fiber, an ultrasonic sensor, and a mechanical scanning unit are integrated to enable circumferential sector scanning, which produces B-scan images. Biological tissues, including the gastrointestinal tract of a rat, have been imaged ex vivo or in situ.
© 2009 Optical Society of America
Medical Optics and Biotechnology
Original Manuscript: March 11, 2009
Manuscript Accepted: April 3, 2009
Published: May 14, 2009
Vol. 4, Iss. 7 Virtual Journal for Biomedical Optics
Joon-Mo Yang, Konstantin Maslov, Hao-Chung Yang, Qifa Zhou, K. Kirk Shung, and Lihong V. Wang, "Photoacoustic endoscopy," Opt. Lett. 34, 1591-1593 (2009)