STUDY ON THE PROPAGATION CHARACTERISTIC OF ULTRAVIOLETPICOSECOND LASER PULSE IN STEP INDEX MULTIMODE FIBER

The object is to analyze theoretically and test experimentally the propagation characteristic of ultraviolet laser pulse in step index multimode fiber. Experimental results show that with the picosecond level output laser pulse from fiber, the power supportability of that fiber is confined. on the other hand, when nanosecond level output laser pulse passes tens of meters through fiber, It is a useable propagation medium.

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