标题: (供应)BK7窗口片 [打印本页] 作者: hunter.li 时间: 2009-5-6 08:24 标题: (供应)BK7窗口片 The Window is made from BK7 material, which has transparent range from 330-2100nm. The refractive index is 1.5164 at 588nm. The BK7 window has good performance over visible and near IR spectrum for most application.