Infrared hollow glass waveguides fabricated by chemical vapor deposition

Yuji Matsuura, James A. Harrington

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


Hollow glass waveguides have been fabricated for the delivery of infrared radiation by chemical vapor deposition methods. A molybdenum film is f irst deposited inside 700-μm silica tubing by the hydrogen reduction of molybdenum chloride. Then a zinc sulf ide or aluminum oxide film is deposited onto the molybdenum layer. These dielectric films enhance the ref lectivity, and we observe a reduction in loss for the thin-film combination compared with the molybdenum film alone. The chemical vapor deposition techniques may be extended to the fabrication of hollow guides with multiple dielectric layers that have much lower losses than current single-layer designs.

Original languageEnglish
Pages (from-to)2078-2080
Number of pages3
JournalOptics Letters
Issue number20
Publication statusPublished - 1995 Oct 15


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