Optical fiber transmission system

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

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319173, H04B 1000

Patent

active

058317538

ABSTRACT:
An optical fiber transmission system is specified which can be checked in a simple way for satisfactory power reserve. For this purpose, a transmission current ID is modulated with a frequency fT by switching over the current between a normal value IDN and a smaller test value IDT, which is not equal to zero.

REFERENCES:
patent: 4422180 (1983-12-01), Wendt et al.
patent: 4994675 (1991-02-01), Levin et al.
patent: 5416623 (1995-05-01), Dawson et al.
"LWL-System-komponenten auf dem Prufstand", Elektronik 21/1991, pp. 126-136 .

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