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 Surface morphology of refractive-index waveguide gratings fabricated in polymer films

DONG Yi SONG Yan-fang MA Lei GAO Fang-fang

[摘要]The characteristic modifications are reported on the surface of polymeric waveguide film in the process of volume- grating fabrication. The light from a mode-locked 76 MHz femtosecond laser with pulse...

 PDF全文Optoelectronics Letters | 2016, 12(05):329

 连续输出功率130W的808nm光纤耦合模块

王晓薇 Xiaowei Wang 马骁宇 Xiaoyu Ma 方高瞻 Gaozhan Fang 冯小明 Xiaoming Feng 刘素平 Suping Liu

[摘要]本文将4个半导体激光二极管Bar条的输出光束耦合到多模光纤束中,成功研制出连续输出功率130瓦的光纤耦合模块,耦合效率为80%左右。该光纤耦合模块连续工作500小时没有发现明显的功率衰减,并且输出功率经温度循环和...

 PDF全文Chinese Optics Letters | 2007, 5(08):466

 4-W single transverse mode Yb3+-doped fiber laser pumped by 915-nm laser diode array

Xiaoming Feng Xiaowei Wang Gaozhan Fang Yuanyuan Liu Ying Wang Xiaoyu Ma

[摘要]

 PDF全文Chinese Optics Letters | 2005, 3(05):251

 Optimal distance from high power laser diode to cylindrical microlens in a coupling system

Xiaowei Wang Xiaoyu Ma Jianwei Xiao Gaozhan Fang Xiaoming Feng Yuanyuan Liu Bin Liu

[摘要]

 PDF全文Chinese Optics Letters | 2003, 1(02):96

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