福州美扬光电有限公司冰洲石(Calcite)晶体应用与格兰棱镜、偏振分束器、补偿器等等..提供各种规格的高质量,大尺寸. 欢迎电询!
冰洲石(Calcite)晶体是一种天然双折射材料,在可见到近红外具有比较好的光学性能。冰洲石可加工产品的尺寸较大,并且价格实惠,被广泛应用于偏振器件和补偿器件中。
应用:格兰棱镜、偏振分束器、补偿器等等..
Dimension Tolerance: | +/-0.1mm |
Optical Axis Orientation : | +/-0.5deg |
Parallelism: | <10 arc secs |
Perpendicularity: | <5 arc mins |
Surface quality: | 20/10 |
Flatness: | < λ/4 @632.8nm |
Wavefront Distortion: | < λ/2 @632.8nm |
Coating: | Coating upon Request |
Properties:
Crystal Structure | Crystalline rhombihedralCubic |
Density | 2.7 g/cm3 |
Transmission Range | 350-2300nm |
Mohs Hardness | 3 |
Hygroscopic Susceptibility | Low |
Thermal Expansion Coefficients(/CO) | 24.39X10-6 (C ); 5.68X10-6 (A ) |
Refractive Indices | No= 1.66315,Ne= 1.48854,532nm No=1.64237,Ne=1.47968,1064nm |
Sellmeier Equation (λ in μm) | ne2=2.18438 + 0.0087309/(λ2-0.01018) - 0.0024411λ2 |
no2=2.69705 + 0.0192064/(λ2-0.01820) - 0.0151624λ2 |