产品详情
- 产品描述
-
透光范围
500~4000nm
350~2300nm
190~3500nm
晶体结构
Trigonal, Space Group R3c
Trigonal, Space Group R3c
Trigonal, Space Group R3c
晶系
Positive Uniaxial
Positive Uniaxial
Negative Uniaxial
含晶细胞
a=b=7.12Å , c=6.29Å
a=b=4.621Å , c=3.053Å
a=b=12.532 A, c=12.717 Å
密度
4.22g/cm3
2.7g/cm3
3.85g/cm3
潮解性
Low
Low
Low
莫氏硬度
5
3
4.5
热膨胀系数
aa =4.43x10-6/k
ac =11.37x10-6/kaa =24.39x10-6/k
ac =5.68x10-6/kaa =4x10-6/k
ac =36x10-6/k光学均匀性
10-6/cm
10-6/cm
10-6/cm
吸收系数
0.05%/cm-1 @ 1064 nm
0.07 @ 200nm
0.02 @ 500nm
0.05%/cm-1 @ 1064 nm
在 45°时屈光指数,双折射,离散角(ρ)
ne =2.2154, no =1.9929
Δn=0.2251
ρ =6.042 ° @ 633nmne =1.4852 no =1.6557
Δn=0.1705
ρ =6.20 ° @ 633nmne =1.67056, no =1.54831
Δn=0.1222
ρ =4.345° @ 532nm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 <10 arc seconds 光轴方向 +/-0.2 ° 面形 < λ/6 @633nm 透过波前畸变 < λ /4 @633nm 镀膜 Upon Specification
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