变迹FBG光栅,切趾FBG光栅杂长度方向上具有特殊的诱导折射率和光栅强度分布。因此，与普通光栅相比，旁瓣电平变得*小。有许多变迹轮廓导致各种FBG参数（强度、FWHM、SLSR）的*化。变迹FBG可用于传感应用、信号和布里渊散射滤波等。对于不同的光栅强度，SLSR的可能值为-10dB到-30dB。图中给出了变迹HR FBG的反射光谱。
变迹FBG光栅,切趾FBG光栅规格参数
变迹FBG光栅,切趾FBG光栅规格参数
FBG特性 | ARTICLE GTL-FBG-AD-820 | 公差/备注 |
| Wavelength range, nm | 600÷ 2300 | ± 0.1 ÷ ± 1 custom request |
| Types of fiber | Single-Mode, PM, Double clad, LMA | or custom |
| Wavelength to quick order, nm | 633, 780, 794, 797, 799, 801, 809, 830, 852, 895, 940, 976, 1030, 1057, 1060, 1064, 1080, 1125, 1150, 1178, 1240, 1270, 1310, 1484,1510 ÷ 1580, 1650, 1900, 1908, 1952, 2300 | ± 0.1 ÷ ± 1 custom request |
| Reflectivity, % | 0.5 ÷ 99,9 | 2 ÷ 5 custom request |
| Bandwidth (WFHM), nm | 0.1 ÷ 1.2 | custom request |
| SLSR, dB | › 10 or › 15 | custom request |
| FBG Pigtail Length, m | ≥ 0.5 | or custom |
| FBG Recoating | None, Acrylate, Polyimide, Aluminium, Copper | or custom |
| Optical Connector | Bare fiber, FC/APC, LC/APC | or custom |
