Relationship Between Near Field Optical Transducer Laser Absorption and Its Efficiency

@article{Xu2012RelationshipBN,
  title={Relationship Between Near Field Optical Transducer Laser Absorption and Its Efficiency},
  author={Baoxi Xu and Yeow Teck Toh and Cheow Wee Chia and Jianming Li and Jing Bing Zhang and Kaidong Ye and Chengwu An},
  journal={IEEE Transactions on Magnetics},
  year={2012},
  volume={48},
  pages={1789-1793}
}
Heat-assisted magnetic recording (HAMR) has shown its promising application for recording density beyond 1 Tb/in2 . However, the reliability/lifetime of the near field optical transducer is a big challenge. The temperature rise of the transducer is one of the reasons that lead to its failure. In this paper, the laser absorption of the transducer is investigated compared with the transducer efficiency (high efficiency is one of the main targets in the transducer design). The results show that… CONTINUE READING
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