Multimode fiber transmission system

Details Multimode fiber transmission system Multimode fiber transmission system

2005-02-28

2008-11-18

Pak, Sung (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Reexamination Certificate

active

07454108

ABSTRACT:
An optical signal propagating through a transmission line of a multimode fiber is branched by an MMF coupler of a reception device, and the intensity of the signal is detected by a MMF monitor PD. After connecting from the multimode fiber to a single-mode fiber, the optical signal is branched by a SMF coupler, and the intensity of the optical signal after the connection by a SMF monitor PD is detected. A coupling loss is calculated from the two detection results and the status of the occurrence of an error rate is estimated from the obtained coupling loss.

REFERENCES:
patent: 2002/0101577 (2002-08-01), Thwing et al.
patent: 2003/0048746 (2003-03-01), Guess et al.
patent: 11-271178 (1999-05-01), None
patent: 11-271178 (1999-10-01), None

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