Fuzhou Hundreds Optics Inc.--BBO crystal,LBO crystal,nonlinear crystal
sales@100optics.com +86-591-22857792
中文
中文 English
 Products > Optical Crystal > Birefringent Crystal > Calcite
Calcite α-BBO Crystal YVO4 Crysta

Birefringent Crystal

Calcite

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).It's a negative uniaxial crystal and mostly used as visible and near IR polarizers. It has high birefringence,..

Calcite

产品说明

Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3).It's a negative uniaxial crystal and mostly used as visible and near IR polarizers. It has high birefringence, wide spectral transmission and availability in reasonably sized rhombs. Specifications:

Size: max.30~45mm
Length: max.25~35mm
Surface Quality: 20/10
Optical Deviation: <3 arc min
Optical Axis Orientation: +/-0.5°
Flatness: < λ/4 @633nm
Wave Front: < λ/4 @633nm
Coating: According to  custmer request

Physical Properties:

Transparency Range 350~2300nm
Partical Shape Crystalline rhombihedral
Density 2.7g/cm3
Thermal Expansion Coefficient Low susceptibility to moisture
Mohs Hardness 3
Thermal Expansion Coefficient aa=24.39x10-6/k; ac=5.68x10-6/k
Crystal Class Negative uniaxial with no=na=nb, ne=nc
Refractive index, birefringence(Δ=ne-no)
and walk-off angle at 45℃(ρ)		 no=1.6557,ne=1.4852
Δn=-0.1705,ρ=6.20@630nm
no=1.6629,ne=1.4885
Δn=-0.1705,ρ=6.20°@1300nm
Sellmeier Equation no2=2.69705+0.0192064/(λ2-0.01820)-0.0151624λ2
ne2=2.18438+0.0087309/(λ2-0.01018)-0.0024411λ2

Products
 Optical Crystal  Polarization Optics  Optical Components  Optical lens
Glan Laser Polarizer α-BBO Crystal BBO Crystal LBO Crystal
Contact Us

Tel.

+86-591-22857792

GET IN TOUCH

Copyright © 2022 Fuzhou Hundreds Optics Inc. All Rights Reserved. 闽ICP备2022002354号 About Us | Contact Us |