Ion-reduction-blackened extra-mural absorbing media adapted...

Details Ion-reduction-blackened extra-mural absorbing media adapted... Ion-reduction-blackened extra-mural absorbing media adapted...

2007-05-22

2007-05-22

Connelly-Cushwa, Michelle (Department: 2874)

Optical waveguides

Optical fiber bundle

Imaging

C385S120000, C385S123000, C065S385000, C065S400000

Reexamination Certificate

active

10997692

ABSTRACT:
Methods of fabricating extra-mural absorption elements adapted for incorporation in an image-conducting optical fiber array include fabricating various constituent components to be included in an optical fiber bundle from one or more reducible-ion-containing glasses. Various components fabricated from a reducible-ion-containing glass are selectively exposed to a reducing atmosphere such that they are reduction-blackened prior to at least one heating and drawing step relative to the bundle into which they are to be fusedly incorporated. Such “pre-blackened” components function as extra-mural absorption media throughout the length of an image-conducting optical fiber array and alternatively include fiber claddings and substitutional and interstitial extra-mural absorption elements.

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