物理&光学性质
|
透光范围 |
500-4000nm |
350-2300nm |
190-3500nm |
|
晶体结构 |
Trigonal |
Trigonal, |
Trigonal,Space Group R3c |
|
晶系 |
Positive Uniaxial |
Positive Uniaxial |
Negative Uniaxial |
|
含晶细胞 |
a=b=7.12 Å,c=6.29 Å |
a=6.37 Å |
a=b=12.532 Å,c=12.717 Å |
|
密度 |
4.22g/cm3 |
2.7g/cm3 |
3.85g/cm3 |
|
潮解性 |
High |
Low |
Low |
|
莫氏硬度 |
5
|
3 |
4.5 |
|
热膨胀系数 |
aa=4.43*10﹣6/k ac=11.37*10﹣6/k |
aa=24.39*10﹣5/k ac=5.68*10﹣5/k |
Aa=4*10﹣6/k Ac=36*10﹣6/k |
|
光学均匀性 |
10﹣6/cm |
10﹣6/cm |
10﹣6/cm |
|
吸收系数 |
<0.1%@1064nm |
<0.1%@1064nm |
<0.1%@1064nm |
|
在45°时屈光指数，双折射，离散角（ρ） |
ne=2.2154,No=1.9929 l n=0.2251 ρ=6.042°@633nm |
ne=1.48520,no=1.6557 l n=0.1705 ρ=6.20°@633nm |
ne=1.54381,no=1.67056 l n=0.1222 ρ=4.345°@532nm |
特性
|
直径 |
Max.30-40mm |
Max.150mm |
Max.40-50mm |
|
长度 |
Max.25-35mm |
Max.100mm |
Max.25-35mm |
|
光洁度 |
Better than 20/10 Scratch/Dig Per MIL-0-13830A |
||
|
光束偏移 |
<10arc seconds |
||
|
光轴方向 |
+/-0.2° |
||
|
面形 |
<λ/8@633nm |
||
|
透过波前畸变 |
<λ/4@633nm |
||
|
镀膜 |
Upon Specification |
||
物理&光学性质
|
透光范围 |
500-4000nm |
350-2300nm |
190-3500nm |
|
晶体结构 |
Trigonal |
Trigonal, |
Trigonal,Space Group R3c |
|
晶系 |
Positive Uniaxial |
Positive Uniaxial |
Negative Uniaxial |
|
含晶细胞 |
a=b=7.12 Å,c=6.29 Å |
a=6.37 Å |
a=b=12.532 Å,c=12.717 Å |
|
密度 |
4.22g/cm3 |
2.7g/cm3 |
3.85g/cm3 |
|
潮解性 |
High |
Low |
Low |
|
莫氏硬度 |
5
|
3 |
4.5 |
|
热膨胀系数 |
aa=4.43*10﹣6/k ac=11.37*10﹣6/k |
aa=24.39*10﹣5/k ac=5.68*10﹣5/k |
Aa=4*10﹣6/k Ac=36*10﹣6/k |
|
光学均匀性 |
10﹣6/cm |
10﹣6/cm |
10﹣6/cm |
|
吸收系数 |
<0.1%@1064nm |
<0.1%@1064nm |
<0.1%@1064nm |
|
在45°时屈光指数，双折射，离散角（ρ） |
ne=2.2154,No=1.9929 l n=0.2251 ρ=6.042°@633nm |
ne=1.48520,no=1.6557 l n=0.1705 ρ=6.20°@633nm |
ne=1.54381,no=1.67056 l n=0.1222 ρ=4.345°@532nm |
特性
|
直径 |
Max.30-40mm |
Max.150mm |
Max.40-50mm |
|
长度 |
Max.25-35mm |
Max.100mm |
Max.25-35mm |
|
光洁度 |
Better than 20/10 Scratch/Dig Per MIL-0-13830A |
||
|
光束偏移 |
<10arc seconds |
||
|
光轴方向 |
+/-0.2° |
||
|
面形 |
<λ/8@633nm |
||
|
透过波前畸变 |
<λ/4@633nm |
||
|
镀膜 |
Upon Specification |
||
