Femtosecond laser fabrication of fiber microresonator sensors: Experiments and modeling

Xin Li, Lan Jiang*, Sumei Wang, Yongfeng Lu, Hai Lung Tsai, Hai Xiao

*此作品的通讯作者

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Various structures are fabricated by a femtosecond laser to demonstrate the mechanism of proposed optical fiber sensors. The transmission spectra of square and ring resonators are detected, which proves the effectiveness of our sensor design, yet, with low Q-factors at this time. Surprisingly, significant coupling or interfering responses are detected for fiber trenches only (without a resonator) at a depth about 59 μm that just or barely overlaps the fiber core. A thinned-cladding zeolite long period fiber grating chemical sensor is presented. Also, a quantum multiscale model is proposed to investigate the femtosecond pulse and fiber interaction, which consists of the plasma model, improved two-temperature model first-principles calculation and molecular dynamics simulation for the free electron generation, electron-lattice heating, and phase change mechanism. Theoretic predictions are in agreement with the experimental results in terms of threshold fluence, ablation depth, size and profile.

源语言英语
主期刊名4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010
出版商Laser Institute of America
ISBN(印刷版)9780912035567
DOI
出版状态已出版 - 2010
活动4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010 - Wuhan, 中国
期限: 23 3月 201025 3月 2010

出版系列

姓名4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010

会议

会议4th Pacific International Conference on Applications of Lasers and Optics, PICALO 2010
国家/地区中国
Wuhan
时期23/03/1025/03/10

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