Silver halide infrared transmitting core/clad fibers with small cores

Shaul Shalem*, Abraham Katzir

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


Polycrystalline silver halide AgClBr fibers are highly transparent in the mid-IR. They are flexible, insoluble in water non-toxic and biocompatible. These fibers are potentially useful for many applications, such as laser surgery, fiberoptic thermometry and infrared spectroscopy. Typical core/clad fibers consist of Br rich core and Cl rich cladding, and they normally have relatively large cores (diameters larger than 350μm) and low transmission losses. There is a wide interest in the development of core/clad fibers with core diameters smaller than 200μm, yet with low transmission losses. Such small core fibers would be useful for all the applications mentioned above. We have developed core/clad fibers with core diameters 140μm and with transmission losses of about IdB/m at a wavelength of 10.6 microns. The properties of the fibers and some of their applications will be discussed.

Original languageEnglish
Pages (from-to)13-21
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 2004
EventProgress in Biomedical Optics and Imaging - Optical Fibers and Sensors for Medical Applications IV - San Jose, CA, United States
Duration: 24 Jan 200425 Jan 2004


  • Core-clad fibers
  • IR fibers
  • Silver halides


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