New coatings for metal-dielectric hollow waveguides

Roshan J. George; James A. Harrington

doi:10.1117/12.463804

26 March 2002 New coatings for metal-dielectric hollow waveguides

Roshan J. George, James A. Harrington

Proceedings Volume 4616, Optical Fibers and Sensors for Medical Applications II; (2002) https://doi.org/10.1117/12.463804
Event: International Symposium on Biomedical Optics, 2002, San Jose, CA, United States

Abstract

Flexible polycarbonate tubing with bore sizes ranging from 500 to 2000 micron was used to make hollow waveguides. Silver/silver iodide and copper/copper iodide were chosen as the metal and dielectric layers respectively. The Ag/AgI waveguide loss at lambda equals 10.6 micron is below 0.1 dB/m for bore sizes over 1200 micron. The small bore size waveguides are single mode even on bending, while the larger bore size waveguides are multimode. The measured loss at 10.6 micron for a 1000 micron bore size Cu/CuI waveguide is 0.33 dB/m. An approximately flat transmission window was obtained for Cu/CuI waveguides in the wavelength region from 2 to 16 micron.

Citation Download Citation

Roshan J. George and James A. Harrington "New coatings for metal-dielectric hollow waveguides", Proc. SPIE 4616, Optical Fibers and Sensors for Medical Applications II, (26 March 2002); https://doi.org/10.1117/12.463804

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