Mode field expanded fiber collimator

Details Mode field expanded fiber collimator Mode field expanded fiber collimator

2011-04-05

2011-04-05

Kim, Ellen (Department: 2874)

Optical waveguides

With optical coupler

Input/output coupler

C385S031000, C385S034000

Reexamination Certificate

active

07920763

ABSTRACT:
The present invention discloses an optical fiber collimator suitable for coupling optical radiation from an optical fiber to an optical device, the optical fiber collimator comprising: a graded-index multi-mode fiber segment for receiving optical radiation transmitted by the input optical fiber; an optional mode field device, and a collimating lens for receiving optical radiation transmitted by the graded-index multi-mode fiber segment, the collimating lens for coupling the optical radiation into the optical device.

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William L. Emkey et al.; Analysis and Evaluation of Graded-Index Fiber-Lenses; J. Lightwave Tech. vol. LT-5, No. 9, Sep. 1987; pp. 1156-1164.

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