Distributed bidirectional polarization measurement device based on double-beat-frequency single auxiliary interferometer
The invention provides a distributed bidirectional polarization measurement device based on a double-beat-frequency single auxiliary interferometer, and belongs to the field of optical fiber measurement. The device comprises a tunable laser source, an optical frequency domain interference reflection...
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| creator | WANG YUNCAI HUANG MINGYANG LI PEIJIONG WEN KUNHUA QIN YUWEN XU PENGBAI YANG JUN YU ZHANGJUN |
| description | The invention provides a distributed bidirectional polarization measurement device based on a double-beat-frequency single auxiliary interferometer, and belongs to the field of optical fiber measurement. The device comprises a tunable laser source, an optical frequency domain interference reflection measurement module, an optical frequency domain interference transmission measurement module, a to-be-measured device module, an auxiliary interferometer module and a signal processing module, and is characterized by further comprising a signal filtering module and an extended optical fiber module. Continuous light output by the tunable laser source is injected as inquiry light into the to-be-measured device module, Rayleigh scattering light returns and is injected into the optical frequency domain interference reflection measurement module, polarization coupling light is injected into the optical frequency domain interference transmission measurement module, and after frequency sweeping nonlinearity is matched an |
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The device comprises a tunable laser source, an optical frequency domain interference reflection measurement module, an optical frequency domain interference transmission measurement module, a to-be-measured device module, an auxiliary interferometer module and a signal processing module, and is characterized by further comprising a signal filtering module and an extended optical fiber module. 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| subjects | COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING |
| title | Distributed bidirectional polarization measurement device based on double-beat-frequency single auxiliary interferometer |
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