Bk7 / BK9 / B270 / Fused silica - JGS1
Fused silica - JGS2 / sapphire
Size tolerance：0,-0.1
Surface Quality：
40/20 for coating surface
80/50 for no coating surfaceParallelism：≤1′
Chamfer:0.2mmx45°/0.5mmx45°
Bk7/BK9/B270/Fused silica - JGS1/Fused silica - JGS2/sapphire
Size tolerance : 0,-0.1
Surface Quality : 40/20 for coating surface
80/50 for no coating surfaceParallelism : ≤1′
Chamfer : 0.2mmx45°/0.5mmx45°
Normal size for light guide :
