Xianwei Xiong, Shengping Chen, Hongtian Zhu, Jintao Wang, Jinzhang Wang, Chunyu Guo, Peiguang Yan, Shuangchen Ruan. High Reflectivity Mid-Infrared Fiber Bragg Grating by Femtosecond Laser Direct Inscription Method[J]. Chinese Journal of Lasers, 2022, 49(1): 0101014
- Chinese Journal of Lasers
- Vol. 49, Issue 1, 0101014 (2022)
Fig. 1. Experimental setup for MIR FBG inscription and spectral monitoring
Fig. 2. Grating fringes written under different energy conditions
Fig. 3. Microscopic images. (a) FBG; (b) cross section of fiber after FBG modification
Fig. 4. FBG transmission spectra under different lengths
Fig. 5. Transmission spectrum of FBG at central wavelength of 3090 nm
|
Table 1. Parameters of MIR fiber grating prepared by femtosecond laser
Set citation alerts for the article
Please enter your email address
© Copyright 2018-2021 | Chinese Laser Press. All Rights Reserved 沪ICP备15018463号-20