產品介紹:藍寶石晶體(英文名Sapphire,化學式為AL203)是一種耐高溫,導熱性能好,硬度高的材料,其光學特性可以穿透400-3500nm以內波長的光,廣泛應用于:激光脫毛儀,家用IPL脫毛儀以及水質分析、科學研究等等領域。
茗遠光電供應的藍寶石可以按照客戶要求進行6面拋光、4面拋光等等。
尺寸范圍:3-80mm,尺寸公差:±0.05mm;
厚度范圍:3-20mm,厚度公差:±0.05mm;
光潔度:60-40;鍍膜波段:400-700nm&400-1100nm等(可按客戶需求調整膜系)
1 | Physical properties | composition | Al2O3 |
main impurities | Si,K,Na,Fe | ||
cleavage | No | ||
density | 3.98±0.02 (g/CC) | ||
dislocation density | <10000pit/cm2 | ||
2 | Thermal properties | melting point | 2050℃ |
specific heat (at 300K) | 0.7788J/(g.K) | ||
thermal conductivity | 30.3±1 (W/mK) | ||
thermal expansion | 5×10-6±2×10-7 (K-1) | ||
3 | Mechanical properties | hardness | Vickers hardness (Hv) ≥1600 |
Young's modulus | 375±10% (GPa) | ||
modulus of rupture(MPa/m) | 4.5±0.5 | ||
compressive strength (kfg) | ≥30 | ||
tensile strength(MPa) | 275-400 | ||
Poisson's constant | 0.28±0.02 |