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