Infrared heterodyning using silver halide fibers

A. Katzir, S. Simhony, R. Arieli, J. Salzman, A. Schoenberg, E. Kapon

Research output: Contribution to journalArticlepeer-review


Infrared transmitting silver halide fibers 0.3 - 1 mm diameter were fabricated by extrusion, and were found to have losses of about 6 dB/m, at λ = 10.6 µm. Infrared heterodyne experiments have been carried out using these fibers. Two stabilized CO2 lasers, of frequencies ω1 and ω2, were used. The two laser beams were coupled into a single infrared fiber, using a Y coupler, with no other optics. Both beams were transmitted through this fiber to a fast IR detector. A heterodyne signal at a beat frequency ω1 - ω2 was obtained from the detector.

Original languageEnglish
Pages (from-to)136-139
Number of pages4
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 17 Dec 1982


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