HOMOGENEOUS PUMP STRUCTURE OF LASER, AND DESIGN METHOD FOR STRUCTURE
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May 14, 2014
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May 14, 2014
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A homogeneous pump structure of laser, and a design method for the homogeneous pump structure of laser. The homogeneous pump structure of laser is used in a fiber laser or a fiber laser amplifier, and comprises a gain fiber (21). The gain fiber (21) comprises a pump light input end and a pump light output end. The pump area of the gain fiber (21) gradually decreases from the pump light input end to the pump light output end, so that a change rate between a pump light absorption capacity of each of segments, with equal lengths, of the gain fiber (21) and a pump light absorption capacity of a neighboring segment is smaller than b %, b being an empirical value.
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