本文在理论分析基础上，用一种新颖的波长扫描光源，并采用自相关、波长解调装置，实现了宽带光纤光栅透射谱的测量。实验结果与精密光谱仪测量比较，误差小于5%，并与理论分析较好地符合。
Based on the theoretical analysis, the transmission spectrum of a broadband fiber Bragg grating (FBG) have been measured by applying a passive wavelength demodulation system , in which a fiber Bragg grating wavelength scanning laser source is used. The FWHM and the peak reflectivity of the FBG to be measured is 0.48～nm and 94%, respectivly. The experiment result is in good agreement with that measured by an optical spectrum analyzer, with experimental error less than 5%.
参考文献
| [1] | Kersey A D, Berkoff T A, Morey W W. High-resolution fiber-grating based strain sensor with interferometric wavelength-shift detection. Electron Lett., 1992, 28: 236～238 |
| [2] | Xu M G, Geiger H, Archambault J L et al. Novel interrogating system for fiber Bragg grating sensors using an acousto-optic tunable filter. Electron. Lett., 1993, 29: 1510～1511 |
| [3] | Melle S M, Liu K, Measures R M. A passive wavelength demodulation system for guided-wave Bragg grating sensors. IEEE Photon. Technol. Lett., 1992, 4: 516～518 |
| [4] | Davis M A, Kersey A D. Matched-filter interrogation technique for fiber Bragg grating array. Electron. Lett., 1995, 31: 822～823 |
| [5] | Zhang Q, Brown D A, Kung H et al. Use of highly overcoupled couplers to detect shifts in Bragg wavelength. Electron. Lett., 1995, 31: 480～482 |
| [6] | 刘治国,张艺兵等. 新型光纤光栅线性调谐方法. 光学学报(待发表) |
| [7] | 葛春风等. 可调谐环形腔光纤光栅激光器. 中国激光(待发表) |
| [8] | Lobo A B, Ribeiro L, Ferreira L A et al. Analysis of the reflective-matched fiber Bragg grating sensing interrogation scheme. Applied Optics, 36(4): 934～939 |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%