Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams | |
Cheng, G.H.1; Zhang, Y.J.1; Liu, Q.2 | |
2017 | |
会议日期 | 2016-11-06 |
会议地点 | Chengdu, China |
卷号 | 10173 |
DOI | 10.1117/12.2268292 |
英文摘要 | Transmitting volume Bragg gratings were fabricated in photo-thermo-refractive glass using femtosecond laser Bessel beams and thermal treatment. The phase contrast images of gratings under different writing power were investigated before and after annealing. Microstructures composed of nano-sized crystals were observed in the exposed regions. Optimized writing power (100 mW) achieved dense nano-crystals distribution. A maximum diffraction efficiency of 92.36% was achieved with 1 mm grating thickness at period of 5 μm. © 2017 SPIE. |
产权排序 | 1 |
会议录 | Fourth International Symposium on Laser Interaction with Matter
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会议录出版者 | SPIE |
语种 | 英语 |
ISSN号 | 0277786X |
内容类型 | 会议论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/29426] ![]() |
专题 | 西安光学精密机械研究所_瞬态光学技术国家重点实验室 |
作者单位 | 1.State Key Laboratory of Transient Optics and Photonics, Xi'An Institute of Optics and Precision Mechanics of CAS, Xi'an; 710119, China 2.Zhejiang Wanli University, Ningbo; 315100, China |
推荐引用方式 GB/T 7714 | Cheng, G.H.,Zhang, Y.J.,Liu, Q.. Transmitting volume Bragg gratings in PTR glass written with femtosecond Bessel beams[C]. 见:. Chengdu, China. 2016-11-06. |
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