Optical waveguides formed from multiple layers

Details Optical waveguides formed from multiple layers Optical waveguides formed from multiple layers

1989-03-17

1990-06-12

Gonzalez, Frank

350 9610, 350 9630, 350 9634, G02B 620

Patent

active

049327496

ABSTRACT:
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. A highly-reflective inert inside layer of gold may also be provided.

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patent: 3583786 (1971-06-01), Marcatilli
patent: 3973828 (1976-08-01), Onoda et al.
patent: 4194808 (1980-03-01), Marhic et al.
patent: 4652083 (1987-03-01), Laakmann
patent: 4805987 (1989-02-01), Laakmann et al.
patent: 4830462 (1989-05-01), Karny et al.

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