Normally dark Y-branch digital optical switches and variable...

Details Normally dark Y-branch digital optical switches and variable... Normally dark Y-branch digital optical switches and variable...

2006-08-08

2006-08-08

Healy, Brian (Department: 2883)

Optical waveguides

With optical coupler

Particular coupling structure

C385S040000, C385S140000, C385S015000, C385S016000, C385S014000, C385S129000, C385S130000

Reexamination Certificate

active

07088892

ABSTRACT:
The present invention is directed to Y-branch digital optical switching and optical attenuator devices, which enhance the security of optical communications channels in the event of an electrical power loss.

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