LBO晶体
LBO，LiB3O5（三硼酸锂）的简写。其具有高损伤阈值，大接受角度范围，热稳定性能好和宽透光范围等特性，是高功率激光器倍频器的理想材料。
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- 描述
描述
LBO晶体描述:
LBO，LiB3O5（三硼酸锂）的简写。其具有高损伤阈值，大接受角度范围，热稳定性能好和宽透光范围等特性，是高功率激光器倍频器的理想材料。它的透光范围可达160-2600nm。I类非临界相位匹配的波段范围为1000-1300nm (温度控制下); II类非临界相位匹配的波段范围800-1100nm（室温条件下）。
产品特点
宽透光范围: 160nm-2800nm
倍频转换效率较高(相当于KDP晶体的3倍）
高损伤阈值(18.9 GW/cm2, 1.3ns激光器，1053nm)
宽波段的I型和II型非临界相位匹配性能
宽透光范围: 160nm-2800nm
倍频转换效率较高(相当于KDP晶体的3倍）
高损伤阈值(18.9 GW/cm2, 1.3ns激光器，1053nm)
宽波段的I型和II型非临界相位匹配性能
产品应用
1. 医用与工业用途的Nd:YAG激光
2. 科研与军事用途的高功率Nd:YAG与Nd:YLF激光
3. Nd:YVO4,Nd:YAG和Nd:YLF激光的泵浦
4. 红宝石,Ti:Sappire与Cr:LiSAF激光
5. Nd:YAG与Nd:YLF激光
6. 光学参量放大器(OPA)与光学参量振荡器(OPO)
7. 高功率1340nm的Nd:YAP激光的二,三倍频
1. 医用与工业用途的Nd:YAG激光
2. 科研与军事用途的高功率Nd:YAG与Nd:YLF激光
3. Nd:YVO4,Nd:YAG和Nd:YLF激光的泵浦
4. 红宝石,Ti:Sappire与Cr:LiSAF激光
5. Nd:YAG与Nd:YLF激光
6. 光学参量放大器(OPA)与光学参量振荡器(OPO)
7. 高功率1340nm的Nd:YAP激光的二,三倍频
LBO 晶体物理特性
| Chemical Formula | LiB3O5 |
| Crystal Structure | Orthorhombic, mm2 |
| Cell Parameters | a = 8.4473, b = 7.3788Å, c = 5.1395Å, Z = 2 |
| Melting point | 834°C |
| Optical homogeneity | d n ~ 10-6/cm |
| Mohs hardness | 6 |
| Density | 2.47 g/cm3 |
| Absorption coefficient | < 0.1%/cm (at 1064nm and 532nm) |
| Specific heat | 1.91J/cm3xK |
| Hygroscopic susceptibility | low |
| Thermal expansion coefficients | a, 4 x 10-6/K; c, 36 x 10-6/K |
| Thermal conductivity | ^ c, 1.2 W/m/K; //c, 1.6 W/m/K |
线性光学特性
| Transparency range | 1 60-2600nm |
| Refractive indices: at 1064nm at 532nm at 355nm | nx = 1.5656, ny = 1.5905, nz = 1.6055 ne = 1.5785, no = 1.6065, nz = 1.6212 ne = 1.5971, no = 1.6275, nz = 1.6430 |
| Therm-optic coefficients | dno/dT = -9.3 x 10-6/°C dne/dT = -16.6 x 10-6/°C |
| Sellmeier Equations (l in mm) | |
| no2 (l) = 2.7359 – 0.01354l2+ 0.01878/(l2-0.01822) ne2(l) = 2.3753 – 0.01516l2+ 0.01224/(l2-0.01667) | |
非线性光学性质
| Phase-matchable output wavelength | 554 – 30%0nm (type I), 790 – 2150nm (type II) |
| NLO coefficients | d33 = 0.06; d32 = 1.2; d22 = 1.1 |
| Walk-off Angles(@ 1064nm) | 0.4° (Type I SHG), 0.3° (Type II SHG) |
| Acceptance Angles(@1064nm) for SHG Type I | 9.6(mrad-cm) CPM at 25°C 248(mrad-cm) NCPM at 150°C |
| Electro-optic coefficients | g 11 = 2.7 pm/V, g 22, g31 < 0.1g11 |
| Conversion Efficiency | >90% (1064 -> 532nm) Type I SHG |
| Damage threshold at 1064nm at 532nm at 355nm | 45 GW/cm2 (1 ns); 10 GW/cm2 (1.3 ns) 26 GW/cm2 (1 ns); 7 GW/cm2 (250 ps) 22 GW/cm2 |
LBO晶体规格
| Thin crystals: (5-10) x (5-10) x (0.01-3) mm3 |
| Regular sizes: 2 x 2 mm2 to 30 x 30 mm2 in cross section, up to 60 mm in length |
| Absorption: < 20ppm (0.00002%) @1064 |
| S/D of 0/0 for cross section: up to 5 x 5 mm |
| Different cuts, sizes and AR coatings are available upon request. |
