Wavelength dependence of stress-induced time of flight variations

N. Kashima, T. Endou

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper, we measured the stress-induced time of flight variations in silica-fibers for λ =0.67μm∼ 1.65μm. For measurements, the phase method was used to detect the phase change of the modulated wave propagating in a fiber with and without stress. It is found that the measured time of flight variations due to stress have clear wavelength dependence. It is very important to evaluate the photo-elastic constant as a basic constant of silica fibers. In this paper, we propose to evaluate the photo-elastic constant based on the measured stress-induced time of flight variations. Using this method, we evaluate the photo-elastic constant in a wide wavelength range (λ =0.44μm∼ 1.65μm). It is found that the evaluated photo-elastic constant has clear wavelength dependence. We also discuss the error of the proposed evaluation method and the origin of wavelength dependence of the photo-elastic constant.

Original languageEnglish
Pages (from-to)329-334
Number of pages6
JournalJournal of Optical Communications
Volume27
Issue number6
Publication statusPublished - 2006 Dec

Fingerprint

Elastic constants
elastic properties
Wavelength
wavelengths
fibers
Fibers
Silica
silicon dioxide
evaluation

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Atomic and Molecular Physics, and Optics

Cite this

Wavelength dependence of stress-induced time of flight variations. / Kashima, N.; Endou, T.

In: Journal of Optical Communications, Vol. 27, No. 6, 12.2006, p. 329-334.

Research output: Contribution to journalArticle

Kashima, N. ; Endou, T. / Wavelength dependence of stress-induced time of flight variations. In: Journal of Optical Communications. 2006 ; Vol. 27, No. 6. pp. 329-334.
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