High temperature failure mechanism of diamond was reviewed.Several anti-oxidation optical coatings of diamond under development, such as AlN coating and Y_2O_3 coating, were presented.

• 评述了金刚石的高温失效机制,介绍了几种正在研究与发展的用于金刚石的高温抗氧化光学涂层,如氮化铝涂层、氧化钇涂层等。