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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 19, Iss. 14 — Jul. 15, 1994
  • pp: 1034–1036

Hollow glass waveguides for broadband infrared transmission

Todd Abel, Jeff Hirsch, and James A. Harrington  »View Author Affiliations


Optics Letters, Vol. 19, Issue 14, pp. 1034-1036 (1994)
http://dx.doi.org/10.1364/OL.19.001034


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Abstract

Broadband hollow glass waveguides have been fabricated with losses as low as 0.15 dB/m at 10.6 μm. We make these hollow glass waveguides by coating the inside of polyimide-coated silica-glass tubing with a metallic layer followed by a thin dielectric coating of a metal halide. The bore sizes of the guides range from 320 to 700 μm, and we have made lengths as long as 3 m. The bending radii of the waveguides are less than 5 cm for bore sizes less than 500 μm. We have used these waveguides to deliver greater than 80 W of CO2 laser power and 5 W of Er:YAG laser power. The hollow glass guides are inexpensive, robust, and quite flexible and therefore a good infrared fiber for power and sensor applications.

© 1994 Optical Society of America

History
Original Manuscript: February 28, 1994
Published: July 15, 1994

Citation
Todd Abel, Jeff Hirsch, and James A. Harrington, "Hollow glass waveguides for broadband infrared transmission," Opt. Lett. 19, 1034-1036 (1994)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-19-14-1034

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