Infrared alkali halide fibers

James Harrington

Research output: Contribution to journalArticle

19 Scopus citations


Polycrystalline alkali halide fibers were fabricated using a hot extrusion technique. Core-clad fibers of KBr/ KCl had losses as low as 0.1 dB/m at 10.6 tm, but the average loss for 8OO/100O-pm fiber was 0.69 dB/m. The salt fibers were coated with Teflon to minimize surface fracture from microcleavage cracks and to protect the fiber from contamination. The maximum output power we have obtained from the fiber is 67 W of cw CO2 laser power. This corresponds to a power density of 13.3 kW/cm2. The 100O-, m salt fiber has been bent into a 12-cm diam circle with a 5% reduction in transmission.

Original languageEnglish (US)
Pages (from-to)3097-3101
Number of pages5
JournalApplied Optics
Issue number15
StatePublished - Jan 1 1988

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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