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Stock List Crystals & Substrates
Stock List Targets
Calcite ( CaCO3 ) Calcium carbonate (calate)
Crystal properties
Crystal Type
trigonal
Transmission Range
0.25 ... 2.3 µm
Refractive Index
no=1,6654 / ne=1,4898 @ 509 nm
Density
2.711 g/cm3 @ 25 °C
Melting Point
894 °C (decomposes)
Molecular Weight
101.9613
Thermal Expansion
13 × 10–6 / K
Hardness (Knoop)
3 Mohs
Young’s Modulus
69.9 GPa
Shear Modulus
35 GPa
Bulk Modulus
98 GPa
Solubility in Water
none
Crystal Structure
Single crystal, synthetic
Application
polarisers
List of Optical Crystals
Materials
TransmissionRange (mm)
Density(g/cm³)
Thermal Expansion Coefficient (10-6/K)
BK7 glass
1.5164 (588 nm)
0.330 – 2.1
2.51
7.5
SF11 glass
1.78472 (588 nm)
0.370 – 2.5
4.74
6.8
F2 glass
1.62004 (588 nm)
0.420 – 2.0
3.61
8.2
Fused Silica
1.4858 (308 nm)
0.185 – 2.5
2.20
0.55
CaF2
1.399 (5.0 mm)
0.170 – 7.8
3.18
18.85
BaF2
1.460 (3.0 um)
0.15 – 12.0
4.88
18.4
Sapphire
1.755 (1.0mm)
0.180 – 4.5
3.98
8.4
Silicon
3.4179 (10mm)
1.200 – 7.0
2.33
4.15
Ge
4.003 (10 mm)
1.900 – 16
5.33
6.1
ZnSe
2.40 (10 mm)
0.630 – 18
5.27
7.8
ZnS
2.2 (10mm)
0.380 –14
4.09
6.5
LiF
1.39 (500 nm)
0.150 – 5.2
2.64
37
KBr
1.526 (10 mm)
0.280 – 22
2.75
43
MgF2
no = 1.3836 ne = 1.3957 (405 nm)
0.130 – 7.0
7.37
a: 13.7 b: 8.48
YVO4
no = 1.9500 ne = 2.1554 (1.3 mm)
0.400 – 5.0
4.22
a: 4.46 b: 11.37
Calcite
no = 1.6557 ne = 1.4852 (633 nm)
0.210 – 2.3
a: 24.39 b: 5.68
Quartz
no = 1.5427 ne = 1.5518 (633 nm)
0.200 – 2.3
2.65
7.07
α-BBO
no = 1.6749 ne = 1.5555 (532 nm)
0.190 – 3.5
3.85
a: 4.0 c: 36
LiNbO3
no = 2.2863 ne = 2.2027 (633 nm)
0.370 – 4.5
4.64
a: 16.7 c: 2.0
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