Lattice Parameter晶格参数

a=5.43Å

Melting Point熔点

1417℃

Mohs Hardness 莫氏硬度

7

Transmission Band传输范围

1.5-8um

Density密度

2.329g/cm3

Young’s Modulus杨氏模量

130.91 GPa @40℃

Thermal Conductivity导热系数

1.63W/cm/K

Specific Heat比热容

0.18cal/g/K @25℃

Thermal Expansion热膨胀

2.6x10-6/℃ @20℃

Length

+/-0.2mm

Chamfer倒角

0.20+/-0.10mm @ 45°

Surface Figure (power/irregularity) at 0.63µm

1.0 fringe/0.5 fringe

Parallelism

< 40 arc Seconds

Perpendicularity垂直度

< 5 arc min

Surface Quality光洁度

40/20Scratch/Dig