:能力
1) 直径 : max. 25mm
2) 长度:: max. 30mm
3) 表面质量: better than 2 0/10 scratch/dig Per MIL-0-13830A
4) 光束偏差: <3 arc min
5) 光轴方向: +/-0.2°
6) 平面度: < l /4 @633nm
7) 透过波前畸变: < l /2 @633nm
8) 镀膜: upon customer's Specification
| ||
|---|---|---|
| 透光范围 | 400~5000nm | |
| 晶体对称性 | Zircon tetragonal, space group D4h | |
| 含晶细胞 | A=b=7.12 Å c=6.29 Å | |
| 密度 | 4.22 g/cm 2 | |
| 潮解性 | Non-hygroscopic | |
| 莫氏硬度 | 5 glass like | |
| 热光纤系数 | Dn a /dT=8.5x10 -6 /K; dn c /dT=3.0x10 -6 /K | |
| 导热系数 | ||C: 5.23 w/m/k; ⊥C:5.10w/m/k | |
| 晶系 | Positive uniaxial with no=na=nb, ne=nc | |
| 在45度时的折射率、双折射、离散角( Δn=ne-no) and Walk-Off Angle at 45 deg(ρ) |
No=1.9929, ne=2.2154, Δn=0.2225, ρ=6.04° at 630nm No=1.9500, ne=2.1554, Δn=0.2054, ρ=5.72° at 1300nm No=1.9447, ne=2.1486, Δn=0.2039, ρ=5.69° at 1550nm | |
| 塞米尔方程 ( l in m m) | n o 2 =3.77834+0.069736/( l 2 -0.04724)-0.0108133 l 2 n e 2 =24.5905+0.110534/( l 2 -0.04813)-0.0122676 l 2 | |
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