Optical device and lens assembly

Details Optical device and lens assembly Optical device and lens assembly

2011-07-12

2011-07-12

Harrington, Alicia M (Department: 2873)

Optical: systems and elements

Lens

Spherical

Reexamination Certificate

active

07978418

ABSTRACT:
The optical device includes a first capillary tube assembly including a capillary tube into which an optical fiber is inserted and fixed, and a retaining sleeve for retaining the capillary tube; a second capillary tube assembly including a capillary tube into which optical fibers are inserted and fixed, and a retaining sleeve for retaining the capillary tube; and a lens assembly including a first lens that faces a forward end face of a first optical fiber with a gap therebetween, a second lens facing end faces of optical fibers with a gap therebetween, a band pass filter interposed between the first lens and the second lens, and an accommodation member for receiving the first and second lenses and the band pass filter. The retaining sleeve of the first capillary tube assembly is secured to one end surface of the accommodation member, and the retaining member of the second capillary tube assembly is secured to another end surface of the accommodation member.

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