Hollow glass waveguides for broadband infrared transmission
| Autor: | Jeff Hirsch, James A. Harrington, Todd Abel |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
Materials science
business.industry Infrared Bending Dielectric engineering.material Laser Atomic and Molecular Physics and Optics law.invention Optics Coating law Fiber optic sensor Physical vapor deposition Broadband engineering Optoelectronics Fiber Laser power scaling business Layer (electronics) |
| Zdroj: | Optics letters. 19(14) |
| ISSN: | 0146-9592 |
| Popis: | Broadband hollow glass waveguides have been fabricated with losses as low as 0.15 dB/m at 10.6 microm. 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 microm, 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 microm. We have used these waveguides to deliver greater than 80 W of CO(2) 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. |
| Databáze: | OpenAIRE |
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