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This kind of BK7 Windows is made from SCHOTT N-BK7 Glass, which has transparent range from 330-2100nm.
The BK7 window has good performance over visible and near IR spectrum for most application. The refractive index is 1.5168 at 587.6nm.
This kind of BK7 Windows is made from SCHOTT N-BK7 Glass, which has transparent range from 330-2100nm.
The BK7 window has good performance over visible and near IR spectrum for most application. The refractive index is 1.5168 at 587.6nm.