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 ωl 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.
Infrared Heterodyning Using Silver Halide Fibers
Advances in Infrared Fibers II ; 1982 ; Los Angeles,United States
Proc. SPIE ; 0320
1982-12-17
Conference paper
Electronic Resource
English
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