| 简介 |
PROBLEM TO BE SOLVED : To provide an optical fiber laser system which can output the high output of pulse laser beam by preventing the energy loss of exciting light.
SOLUTION : In an optical fiber laser system 10, a Q switch 15 is disposed in a resonator having a rare earth doped optical fiber 11 formed as a laser medium. An optical switching means for preventing light spontaneously emitted when the Q switch is turned OFF from again entering the optical fiber is provided on one side of the optical fiber. The turning ON/OFF of the optical switching means is synchronized with the turning ON/OFF of the Q switch provided on the other end side of the optical fiber. |
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