Open AccessOptical bending sensor using distributed feedback solid state dye lasers on optical fiber
Author(s) -
Hiroyuki Kubota,
S. Oomi,
Hiroaki Yoshioka,
Hirofumi Watanabe,
Yuji Oki
Publication year - 2012
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.20.014938
Subject(s) - materials science , multi mode optical fiber , optics , optical fiber , laser , fiber optic sensor , optoelectronics , bend radius , plastic optical fiber , bending , fabrication , fiber laser , physics , wavelength , medicine , alternative medicine , pathology , composite material
Novel type of optical fiber sensor was proposed and demonstrated. The print-like fabrication technique fabricates multiple distributed feedback solid state dye lasers on a polymeric optical fiber (POF) with tapered coupling. This multi-active-sidecore structure was easily fabricated and provides multiple functions. Mounting the lasers on the same point of a multimode POF demonstrated a bending radius sensitivity of 20 m without any supports. Two axis directional sensing without cross talk was also confirmed. A more complicated mounting formation can demonstrate a twisted POF. The temperature property of the sensor was also studied, and elimination of the temperature influence was experimentally attained.