Glass package for optical device

Details Glass package for optical device Glass package for optical device

2007-11-13

2007-11-13

Sanghavi, Hemang (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S037000, C385S050000, C385S051000

Reexamination Certificate

active

11292735

ABSTRACT:
A glass optical filter is described that optically connects two optical fibers and may filter a single or group of channels from a WDM signal that is being communicated between the optical fibers. The glass optical filter may be comprised of two pigtail tubes having smaller interior diameters than a center piece tube that couples the two pigtail tubes together. In one embodiment of the invention, D-lenses are positioned within the glass optical filter and function as focusing lenses. The characteristics of the glass housing and D-lens provide a preferred environment for aligning optical fiber pigtails to the focusing lenses.

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