Light darkening test device and method for ytterbium-doped silica fiber of all-fiber structure
A quartz optical fiber and testing device technology, which is applied in the field of ytterbium-doped silica optical fiber photodarkening testing devices, can solve the problems of difficulty in detecting the photodarkening performance of ytterbium-doped optical fibers, affecting the stability of the testing system, poor optical structure stability, etc., and achieving strong performance. The ability to form photodarkening standard test equipment, shorten the photodarkening test time, and facilitate the effect of instrumentation
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[0036] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.
[0037] Any feature disclosed in this specification (including any appended claims, abstract), unless otherwise stated, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.
[0038] Implementation column one
[0039] This embodiment discloses a light-darkening test device for ytterbium-doped silica fiber with an all-fiber structure, such as figure 1 As shown, the test device mainly includes a signal source 1, an optical fiber flange 2, a pump source, a wavelength division multiplexer 5, an ytterbium-doped optical fiber 8, an optical fiber combiner 7 and a power detector 11, and the pump source includes The first pump source 4 and the s...
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