Jpn. J. Appl. Phys. 33 (1994) pp. L233-L234  |Next Article|  |Table of Contents|
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Formation of Drawing- or Radiation-Induced Defects in Germanium-Doped Silica Core Optical Fiber

Yoshinori Hayashi, Yuki Okuda, Hisamitsu Mitera and Keizo Kato

Department of Electrical and Electronic Engineering, Faculty of Engineering, Niigata University, 8050 Ikarashi-2-no-cho, Niigata 950-21

(Received April 2, 1993; accepted for publication January 11, 1994)

The influence of the drawing process in optical fibers on the radiation resistance property was investigated. The ESR spectra for the optical fibers drawn under various conditions were measured at room temperature (R.T.) or 77 K. The fibers were drawn at three different temperatures (high, medium and low) and the drawing velocity was kept constant. The drawing defects were abundantly detected at R.T. in the sample drawn at high temperature. Many non-bridging oxygen hole centers (NBOHC) induced during the drawing process were observed at 77 K. The formation of NBOHC was also discussed.

URL: http://jjap.jsap.jp/link?JJAP/33/L233/
DOI: 10.1143/JJAP.33.L233
KEYWORDS:optical fiber, drawing condition, drawing defects, NBOHC, PR, PL


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References | Citing Article (1)

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  2. H. Hanafusa and Y. Hibino: Proc. Electrical Insulating Materials, Inst. Elect. Eng. Jpn., EIM 87-9 (1987) pp. 1-12 [in Japanese].
  3. H. Ohya and J. Yamauchi: Denshisupinkyomei (Electron spin resonance) (Kodansya, Tokyo, 1989) p. 234 [in Japanese].

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