产 品 说 明                                                                                                                    

人造石英单晶是用水热法在高压釜中生长的，具有左旋和右旋形态。石英晶体的应力双折射低且折射率均匀性高，透光范围为0.15-4μm。由于其压电特性、低热膨胀系数、优良的力学和光学特性，石英晶体被用于电子、精密光学和激光技术、光通信、X-射线光学和压力传感器等方面。

 

折射率：

 

λ

193.6

340.4

410.2

467.8

546.1

627.8

706.5

766.5

844.7

1529.6

No

1.65999

1.56747

1.556502

1.551027

1.546174

1.542819

1.540488

1.539071

1.537525

1.528

Ne

1.67343

1.577385

1.566031

1.560368

1.55535

1.55188

1.549472

1.548005

1.5464

1.53646

 

石英晶体的物理性能参数：

Transmission Range

0.150--4.0µm and 50--1000 µm

Refractive Index

no=1.5350, ne=1.5438 @ 1 µm

Reflective Loss

8.2% @ 2µm

Density

2.65 g/cm3

Melting Point

1710°C, 1657°C

Molecular Weight

60.06

Thermal_Conductivity

||C:11.7 W/(m·K) 20°C; ^C: 6.5

Specific Heat

744 J/(kg·K)

Thermal Expansion

|| C: 7.97 x 10-6 /°C ; ^C: 13.37 x 10-6 /°C @0°--­80°C

Hardness (Mohs)

740 (Indenter load 500g)

Young`s Modulus

|| C: 97; ^C: 76.5 GPa @ 25°C

Shear Modulus

44 GPa

Bulk Modulus

98 GPa

Rupture Modulus

41 MPa

Elastic Coefficient

C11 = 86.6; C12 = 6.7; C13 = 12.4; C14 = 17.8; C33= 106.4; C44 = 58 GPa

Dielectric Constant

|| C: 4.27 @ 30 MHz @ 25°C; ^C: 4.34

Solubility in Water

insoluble

Type of Material

Single crystal, synthetic

Crystal Structure

trigonal, point group 32, a = 4.9138 Å, c = 5.4052 Å

Common Diameter

Plates (blank) 120 mm (y) x 90 mm (x) x 27 mm (z)

Application

polarizing optics, piezoelectric components, VUV filter, FIR windows

emarks

dextrorotatory Quartz is common, max. temperature for application > 1200°C, chemical constant, will be damaged by contact with HF and hot concentrated alkalines