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Recent Progress in Ceramic YAG Cladding Technology for Fiber Laser Applications

机译:光纤激光器陶瓷YAG熔覆技术的最新进展

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The advent of high energy, high power fiber lasers hinges on the availability of new fibers and suitable cladding materials. New fiber materials with the needed thermal and optical properties are urgently needed for high powered fiber lasers; a viable cladding process using suitable cladding materials is equally critical. These two fundamental technologies are being developed. Most recently, the technical feasibility of applying optically transparent undoped YAG as the fiber cladding was explored via a single source electron beam deposition process. The technical feasibility of depositing such fiber claddings was successfully demonstrated on various model fibers. Amorphous Y_xAl_(1-x)O_3 coatings with various chemistries and high optical transmittances were deposited and shown to be stable even after high temperature annealing, while retaining the optical quality.
机译:高能量,高功率光纤激光器的出现取决于新光纤和合适的包层材料的可用性。高功率光纤激光器迫切需要具有所需热和光学性能的新型光纤材料。使用合适的覆层材料进行可行的覆层工艺同样至关重要。这两项基本技术正在开发中。最近,通过单源电子束沉积工艺研究了在光纤包层中应用光学透明的无掺杂YAG的技术可行性。在各种型号的光纤上成功展示了沉积此类光纤包层的技术可行性。沉积具有各种化学性质和高透光率的非晶Y_xAl_(1-x)O_3涂层,即使在高温退火后也显示稳定,同时保持了光学质量。

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