熊猫型保偏掺镱光纤 880nm (纤芯吸收 85 dB/m )
筱晓保偏掺镱光纤系列采用熊猫型应力元设计,以提高双折射率,具有较高的保偏性能,产品分普通涂层的单模光纤和双包层大模场光纤两大类可供选择,具有转换效率高,增益大的特点,可实现高功率高光束质量偏振光输出。适用于超快光纤激光器,以及要求偏振光输出的光纤激光器和放大器。 截止波长880±80nm技术参数产品特点 高精度几何尺寸控制截面几何对称性良好光学性能优异应用领域材料加工、科学研究和医疗高精度测量光学检测超快光纤激光器和放大器 规格参数PN#Yb85-6/125-PMYb85-20/400-PMYb85-30/250-PM(纤芯吸收)Core Absorption at 915nm(nominal)85dB/m//模场直径Mode Field Diameter at 1060 nm (1)6.0 ± 0.5 20.0 ± 1.530.0 ± 0.5包层吸收Cladding Absorption at 920 nm/0.52.3核心数值孔径Core Numerical Aperture (nominal)0.110.0650.060截止波长Cut-off wavelength (2) 880 ± 80nm880 ± 80nm880 ± 80nm包层数值孔径Cladding Numerical Aperture, ≥Core background loss at 1200 nm, ≤≤15db/km ≤15db/km≤30db/km双折射Birefringence, ≥(1E-04)2.5 41.5芯包同心度Core Concentricity Error, ≤1.0um5um4um包层直径Cladding Diameter (flat-to-flat)125 ± 2um400 ± 10um250 ± 5.0um包层几何形状Cladding Geometry Round, PANDARound, PANDARound, PANDA涂层直径Coating Diameter245 ± 15um 550 ± 15um400 ± 15um涂层材料Coating MaterialDual coated low index acrylate双涂层低指数丙烯酸酯Dual coated low index acrylateDual coated low index acrylate验证试验 Proof Test, ≥100kpsi100kpsi100kpsi