格兰激光棱镜是由两片双折射晶体制成的偏光器件,中间采用空气隙结构。此棱镜是格兰泰勒棱镜的升级,带有逃逸窗口,适用于强激光系统。

 

 

产品特点: 
●空气隙 
●带宽覆盖紫外,可见和中红外 
● 接近布儒斯特切割角 
●高偏振度 
●两个逃逸窗口,适用于大功率激光 
 


   

材料:a-BBO, Calcite or YVO 4
波长范围:a-BBO: 200~3500 nm, Calcite: 350~2300 nm, YVO 4 : 500~4000 nm
消光比:Calcite:<5x10-5 ; a-BBO:<5x10-6 ; YVO 4 :<5x10-6
表面质量:20 / 10
平行度:<1 arc Min
光束背离:< 3 arc minutes
波前畸变:λ /4@633nm
损伤阈值:>500 MW/cm2
镀膜:单层 MgF2
支架:硬铝,氧化发黑

 

1. a-BBO 格兰激光棱镜


型号.使用波段消光比视场角通光孔径 φa (mm)外径 φd (mm)长度 L (mm)
PGL1206200-300nm<5x10-6>6.0°6.015.029.0
PGL12088.025.431.0
PGL121010.025.431.0
PGL121212.725.438.6
PGL121515.030.048.9
PGL1306300-700nm<5x10-6>6.0°6.015.025.0
PGL13088.025.425.0
PGL131010.025.426.0
PGL131212.025.427.0
PGL131515.030.033.4
PGL132020.038.043.6
PGL1706700-3000nm<5x10-6>6.0°6.015.023.0
PGL17088.025.424.7
PGL171010.025.425.9
PGL171212.025.427.0
PGL171515.030.033.4
PGL172020.038.043.6



2. 冰洲石
格兰激光棱镜

 

型号.使用波段消光比视场角通光孔径 φa (mm)外径 φd (mm)长度 L (mm)
PGL2006350-2300nm<5x10-5>7.7°6.015.021.0
PGL20088.025.424.5
PGL201010.025.426.2
PGL201212.725.427.5
PGL201515.030.033.3
PGL202020.038.042.3


3. Yvo4 
格兰激光棱镜

 

型号.使用波段消光比视场角通光孔径 φa (mm)外径 φd (mm)长度 L (mm)
PGL3006500~4000nm<5x10-6>6.5°6.015.018.0
PGL30088.025.420.0
PGL301010.025.423.0
PGL301212.725.419.0
PGL301515.030.026.0
PGL302020.038.029.0