Resource
SiO2 (Quartz Crystal)
Transmission Range : |
0.18 to 3.5 μm (also >40 μm) |
Refractive Index : |
No 1.54421; Ne 1.55333 at 0.6 μm |
Reflection Loss : |
8.8% at 0.6 μm (2 surfaces) |
Absorption Coefficient : |
n/a |
Reststrahlen Peak : |
n/a |
dn/dT : |
+5 x 10-6/°C |
dn/dμ = 0 : |
1.3 μm |
Density : |
2.649 g/cc |
Melting Point : |
1710 °C |
Thermal Conductivity : |
10.7 (para) 6.2 (perp) W m-1 K-1 at 323 K |
Thermal Expansion : |
7.1 (para) 13.2 (perp) x 10-6/°C |
Hardness : |
Knoop 741 with 500g indenter |
Specific Heat Capacity : |
710 J Kg-1 K-1 |
Dielectric Constant : |
4.34 (para) 4.27 (perp) at 30MHz |
Youngs Modulus (E) : |
97.2 (para) 76.5 (perp) GPa |
Shear Modulus (G) : |
31.14 GPa |
Bulk Modulus (K) : |
36.4 GPa |
Elastic Coefficients : |
C11=87 C12=7 C44=58 C13=13 C14=(-)18 C33=106 |
Apparent Elastic Limit : |
41MPa (5950psi) |
Poisson Ratio : |
n/a |
Solubility : |
Insoluble in water |
Molecular Weight : |
60.06 |
Class/Structure : |
Trigonal (hex) P3(2)21 (RH) and P3(1)21 (LH) |
µm
|
No
|
Ne
|
µm
|
No
|
Ne
|
µm
|
No
|
Ne
|
0.193
|
1.661
|
1.675
|
0.213
|
1.632
|
1.645
|
0.222
|
1.622
|
1.634
|
0.226
|
1.619
|
1.630
|
0.248
|
1.602
|
1.613
|
0.257
|
1.596
|
1.607
|
0.280
|
1.585
|
1.596
|
0.308
|
1.576
|
1.586
|
0.325
|
1.571
|
1.581
|
0.351
|
1.565
|
1.575
|
0.400
|
1.558
|
1.567
|
0.458
|
1.552
|
1.561
|
0.488
|
1.550
|
1.559
|
0.515
|
1.548
|
1.557
|
0.532
|
1.547
|
1.556
|
0.590
|
1.544
|
1.553
|
0.633
|
1.543
|
1.552
|
0.670
|
1.541
|
1.551
|
0.694
|
1.541
|
1.550
|
0.755
|
1.539
|
1.548
|
0.780
|
1.539
|
1.548
|
0.800
|
1.538
|
1.547
|
0.820
|
1.538
|
1.547
|
0.860
|
1.537
|
1.547
|
0.980
|
1.535
|
1.546
|
1.064
|
1.534
|
1.543
|
1.320
|
1.531
|
1.539
|
1.550
|
1.528
|
1.536
|
2.010
|
1.521
|
1.529
|
|
|
|