Calcium carbonate CaCO3 crystal substrate

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    CaCO3
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product details

CaCO3 substrate

Calcium carbonate (CaCO3) is a non-uniaxial crystal with large birefringence, wide spectral range, and it is a diamond shape of crystal. CaCO3 crystal is suitable for visible and near-infrared polarized materials. CaCO3 is a mineral crystal with high birefringence and polarization properties.  CaCO3 single crystal is mainly used in the defense industry and high-precision optical instruments, and also has important applications in high-end radio and astrophysics.

 

Substrate:

CaCO3 substrate

Growth method

 

Crystal Structure :

Trigonal system

Lattice constant:

a= 4.989 c= 17.062

Melting point:

1339 ℃

Density:

2.71 g/cm3

Thermal Conductivity

4.646 W/m·K for 273 K

Thermal expansion coefficient

aa = 24.39 x10-6/K;       ac = 5.68 x10-6/K
Non-uniaxial: no=na=nb , ne=nc

Refractive index

no = 1.6557,     ne = 1.4852,    Dh = -0.1705,   
r = 6.20°    at 0.63 um
no = 1.6629,     ne = 1.4885,    Dh = -0.1744,   
r = 6.32°    at 1.30 um
Semi-equation
(wavelength mm)
no2= 2.69705 + 0.0192064/( λ 2 –0.01820) – 0.0151624  λ 2
ne2 = 2.18438 + 0.0087309/( λ 2 –0.01018) – 0.0024411  λ 2

Beam deviation

< 3 arc min;

Transmitting wavefront distortion

< l/2 @ 632.8 nm;

Transmission range

350nm - 2300nm

Orientation

 <100>, <001> ±0.5º

Standard Size

50x50x30mm, 1”x1”x1.0mm, 10x10x0.5mm, 5x5x0.5mm

Polishing

Fine ground, One side polished or Two side polished

Surface Roughness(Ra) < 5A

Application

CaCO3 crystal is mainly used in the defense industry and high-precision optical instruments,



CaCO3 substrate Substrate: CaCO3 substrate Growth method Crystal Structure : Trigonal system Lattice constant: a= 4.989 c= 17.062 Melting point: 1339 ℃ Density: 2.71 g/cm3 Thermal Conductivity 4.646 W/m·K for 273 K Thermal expansion coefficient aa = 24.39 x10-6/K; ac = 5.68 x10-6/K Non-uniaxial: no=na=nb , ne=nc Refractive index no = 1.6557, ne = 1.4852, Dh = -0.1705, r = 6.20° at 0.63 um no = 1.6629, ne = 1.4885, Dh = -0.1744, r = 6.32° at 1.30 um Semi-equation (wavelength mm) no2= 2.69705 + 0.0192064/( λ 2 –0.01820) – 0.0151624 λ 2 ne2 = 2.18438 + 0.0087309/( λ 2 –0.01018) – 0.0024411 λ 2 Beam deviation < 3 arc min; Transmitting wavefront distortion < l/2 @ 632.8 nm; Transmission range 350nm - 2300nm Orientation <100>, <001> ±0.5º  Standard Size  50x50x30mm, 1”x1”x1.0mm, 10x10x0.5mm, 5x5x0.5mm  Polishing  Fine ground, One side polished or Two side polished  Surface Roughness(Ra) < 5A Application CaCO3 crystal is mainly used in the defense industry and high-precision optical instruments,



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