KB7窗口片


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MaterialBK7 Grade A optical glass
Dimension Tolerance+0.0/-0.2mm
Thickness Tolerance±0.2mm
Clear Aperture>90%
ParallelismStandard: 1 arc minute
 High Precision: 10 arc seconds
Surface QualityStandard: 60/40
 High Precision: 20/10
Wavefront DistortionStandard: λ@633nm per 25mm
High Precision: λ/10@633nm per 25mm
ChamferProtected <0.5mmx45deg
CoatingUncoated, available