Optical waveguides formed from multiple layers

G - Physics – 02 – B

Patent

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Details

204/11, 117/157,

G02B 6/10 (2006.01) C23C 28/02 (2006.01) C25D 7/08 (2006.01) H01P 11/00 (2006.01)

Patent

CA 2012211

ABSTRACT OF THE DISCLOSURE An optical waveguide for infrared light includes a series of metal layers. A thick outer layer of nickel is provided for mechanical stiffness to make the structure self-supporting. Thinner inside layers are also provided of metals such as silver, gold and copper which are good heat conductors. Since nickel has a low thermal conductivity, the waveguide can be damaged due to heat build-up. The layers of good conductors spread the heat efficiently to remove this possibility while the nickel continues to provide the necessary strength. An inert inside layer of gold may also be provided.

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