The 3MD20BD.1 Broadband Dielectric Mirror is an extremely versatile mirror for laboratory applications and highly efficient over a broad wavelength range. This 1.181 inch (30.0 mm) diameter mirror is made from a 6.0 mm thick Borofloat® 33 substrate. Borofloat® 33 has low thermal expansion and is an excellent substrate for most applications. The BD-1 coating is extremely durable and will withstand repeated cleaning. This mirror has a λ/10 surface flatness and a 15-5 surface quality.

3 md20bd。宽带介质反射镜是一种适用于实验室的多功能反射镜,在波长范围内具有很高的效率。这个1.181英寸(30.0毫米)直径镜子是用6.0毫米厚Borofloat®33衬底。Borofloat®33有低的热膨胀和是一个很好的衬底对于大多数应用程序。BD-1涂层非常耐用,可以经受多次清洗。这个镜子λ/今天比赛10表面平面度和表面质量。