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Applied Optics

Applied Optics


  • Vol. 31, Iss. 9 — Mar. 20, 1992
  • pp: 1252–1256

Low-loss in-line microfilter fabricated by precision trench machining

Shinsuke Matsui, Tadao Saito, and Juichi Noda  »View Author Affiliations

Applied Optics, Vol. 31, Issue 9, pp. 1252-1256 (1992)

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A machining technique has been developed that enables a narrow, smooth damage-free walled trench to be cut into an optical fiber engraved in a silica substrate by using a fine silica powder effect. This technique allows a very low insertion loss (0.21 dB) in-line microfilter to be made by inserting a thin filter plate into a trench cut into an optical fiber already fixed to a substrate.

© 1992 Optical Society of America

Original Manuscript: May 31, 1991
Published: March 20, 1992

Shinsuke Matsui, Tadao Saito, and Juichi Noda, "Low-loss in-line microfilter fabricated by precision trench machining," Appl. Opt. 31, 1252-1256 (1992)

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  1. H. Yanagawa, H. Hayakawa, T. Ochiai, S. Yano, H. Miyazawa, “Low loss in-line single-mode filter,” in Optical Fiber Communication, Vol. 1 of OSA 1990 Technical Digest Series (Optical Society of America, Washington, D.C., 1990), paper TUG3.
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