基本特征 |
|
晶體結(jié)構(gòu) | Trigonal, Space group R3C, Point group 3m |
單元參數(shù) | a=5.148? , c=13.863 ? |
熔點(diǎn) | 1253°C |
居里溫度 | 1140°C |
莫斯硬度 | 5 |
密度 | 4.64 g/cm3 |
光學(xué)均勻性 | ~5x10-5/cm |
透明度范圍 | 420nm-5200nm |
吸收系數(shù) | 0.1%/cm @1064nm |
1064nm的折射率 | ne = 2.146, no = 2.220 @ 1300 nm |
ne = 2.156, no = 2.232 @ 1064 nm |
ne = 2.203, no = 2.286 @ 632.8 nm |
非線性系數(shù) | d33 = 86 x d36 (KDP) |
d31 =11.6 x d36 (KDP) |
d22 = 5.6 x d36 (KDP) |
電光系數(shù) | gT33 = 32 pm/V, gS33 = 31 pm/V |
gT31 =10 pm/V, gS31=8.6 pm/V |
gT22 = 6.8 pm/V, gS22= 3.4 pm/V |
半波電壓,直流 | 3.03 KV ,4.02 KV |
損壞閾值 | 100 MW/cm2 (10 ns, 1064nm) |
波前畸變 | 小于λ/4 @ 633 nm |
尺寸公差 | (W ± 0.1 mm) x (H ± 0.1 mm) x (L ± 0.2mm) |
通光孔徑 | 中心區(qū)域> 90% |
平面度 | 小于 λ/8 @ 633nm |
角度公差 | < ± 0.5° |