High-speed measurement method and device of space-time spectral information of multi-mode optical pulse cluster
A technology of spectral information and optical pulses, applied in the field of ultrafast photonics, can solve the problems of limited application fields and not well explained
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[0023] A specific implementation of the high-speed measurement device for multi-mode optical pulse cluster spatio-temporal spectral information is as follows: figure 1 As shown, it includes mode demultiplexer 2, adjustable optical attenuator 3, fiber delay line 4, fiber coupler 5, dispersion fiber 6, high-speed photoelectric detection system; said mode demultiplexer 2, adjustable optical attenuator 3, fiber delay line 4, fiber coupler 5, dispersive fiber 6, and high-speed photoelectric detection system are sequentially connected through optical fiber to realize mapping from space and frequency domain to time domain and high-speed data acquisition in time domain, wherein the The high-speed photodetection system consists of a high-speed photodetector 7 and a high-speed real-time oscilloscope 9 connected to it through a cable 8 . In this embodiment, the pulse cluster is set to have 3 fiber modes, but the method and device proposed by the present invention can study pulse clusters...
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