Theoretical analysis of optical fiber mode exciters constructed with alternate concatenation of step‐index and graded‐index fibers

Yahei Koyamada, Tsuneo Horiguchi, Masamitsu Tokuda, Naoya Uchida

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Mode exciters which consist of alternate concatenation of step‐index (S) and graded‐index (G) fibers are used widely for the measurement of transmission characteristics (optical loss and baseband frequency response) of multimode fibers. This paper presents a theoretical analysis for the mode exciters based on geometrical ray optics approximation. The mode power distribution controlling effect of the exciters, excited mode power distribution in the test fiber, and accuracy and reproducibility of optical loss measurements are clarified theoretically. It is shown that optical loss measurements under steady‐state distribution can be done by using either SGS or GSG mode exciters which consist of either small core or low NA fibers.

本文言語English
ページ(範囲)66-74
ページ数9
ジャーナルElectronics and Communications in Japan (Part I: Communications)
68
3
DOI
出版ステータスPublished - 1985 3
外部発表はい

ASJC Scopus subject areas

  • コンピュータ ネットワークおよび通信
  • 電子工学および電気工学

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