Multi-bandwidth collimator

Details Multi-bandwidth collimator Multi-bandwidth collimator

2006-01-24

2006-01-24

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C359S641000, C359S652000

Reexamination Certificate

active

06990271

ABSTRACT:
A collimator for use at multiple wavelengths includes an optical fiber and a gradient index lens positioned at a constant distance with respect to an end of the optical fiber. The gradient index lens has a chromatic aberration at a selected pitch less than 0.01 over a selected range of the infrared spectral region.

REFERENCES:
patent: 4641927 (1987-02-01), Prescott et al.
patent: 5841586 (1998-11-01), Nagaoka
patent: 6717733 (2004-04-01), Sato et al.
patent: 2003/0118305 (2003-06-01), Reed et al.
patent: 2004/0032669 (2004-02-01), Trotter, Jr.
patent: 1106586 (2001-06-01), None
patent: WO02/14233 (2002-02-01), None
patent: WO03/007027 (2003-01-01), None

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