ZHANG Xue-xia, GE Ting-wu, DING Xing, TAN Qi-rui, YAO Shun, WANG Zhi-yong. Study of Continuous Fiber Laser with Distributed Pump Structure[J]. 发光学报, 2016,37(9): 1071-1075
ZHANG Xue-xia, GE Ting-wu, DING Xing, TAN Qi-rui, YAO Shun, WANG Zhi-yong. Study of Continuous Fiber Laser with Distributed Pump Structure[J]. 发光学报, 2016,37(9): 1071-1075 DOI: 10.3788/fgxb20163709.1071.
Study of Continuous Fiber Laser with Distributed Pump Structure
In order to avoid the thermal effect of fiber-end in high power fiber laser
the fiber laser based on the multi-point cascaded was studied. First
the self-developed cascaded couplers were introduced. Then
the effect of the couplers insertion on the fiber laser was analyzed. Finally
the fiber laser and the master oscillator amplifier with the pumping distributed structure were built. Experimental results indicate that the research on the insertion loss of the coupler can promote the development of high power cascaded coupler. In the distributed fiber laser
the output power of 1 080 nm is 770 W with the pump power of 1.1 kW
and the optical to optical conversion efficiency is 77%. The output power of maser oscillator power amplifier structure is 635 W with the optical conversion efficiency is 78%. It can satisfy that the distributed pumping can solve the heat concentration in fiber laser
can achieve the kilowatt fiber lasers.
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references
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