Multimode fiber bandwidth measurement apparatus and multimode fiber bandwidth measurement apparatus
The invention provides a multimode fiber bandwidth measurement apparatus, comprising a synthesized sweeping source, an optical transmitter, an optical injection system, a measured multimode fiber, an encircled flux test system, an optical receiver, a spectrum analyzer, a frequency meter and a comput...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention provides a multimode fiber bandwidth measurement apparatus, comprising a synthesized sweeping source, an optical transmitter, an optical injection system, a measured multimode fiber, an encircled flux test system, an optical receiver, a spectrum analyzer, a frequency meter and a computer. According to the invention, the encircled flux test system is proposed to be used for estimating whether an optical injection state meets an overfilled launch condition or not, measurement repeatability of the apparatus is guaranteed, optimization to the measurement repeatability of a multimode fiber bandwidth parameter is analyzed and described, uncertainty of a multimode fiber bandwidth measurement result is improved, and a gaussian linear fitting formula of the multimode fiber bandwidth parameter is provided. |
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