Single-mode segmented cladding fibers for the middle infrared

Arnon Millo*, Itay Naeh, Abraham Katzir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Single-mode (SM) fibers for the middle infrared (3-20 μm are required for a variety of purposes, such as spatial filtering and interferometry. There has only been limited success in the development of such fibers, due to the lack of suitable materials that transmit in this spectral range. In this paper, we report the design and fabrication of SM segmented cladding fibers made of silver halide materials. The fiber design consists of a uniform core of high-refractive material that is surrounded by a cladding of alternating segments of high and low refractive indices. These fibers can maintain a SM operation over a wide spectral range with a very large core area.

Original languageEnglish
Pages (from-to)2115-2121
Number of pages7
JournalJournal of Lightwave Technology
Issue number8
StatePublished - Aug 2007


FundersFunder number
United States-Israel Binational Science Foundation


    • IR fibers
    • Photonic-crystal fibers (PCFs)
    • Singlemode fibers (SMFs)


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