藍寶石（Al₂O₃）光學視窗因其優異的光學清晰度、機械硬度、熱學特性，被廣泛應用於高功率雷射系統、航太與嚴苛的工業環境。
Sapphire (single-crystal aluminum oxide, Al₂O₃) has emerged as a critical material in high-temperature optoelectronics due to its exceptional thermal stability, mechanical strength, chemical inertness, and
