規(guī)格參數(shù): 材料: ---------------------------------------------------------Magnesium Fluoride single crystal  直徑公差: ------------------------------------------ +0.0, -0.1mm 厚度公差: ---------------------------------------- ±0.2mm  有效孔徑: ------------------------------------------------->80%  平行度:------------------------------------------------------- 1 arc minute  面型:----------------------------------------------------------- λ/2 @ 632.8 nm  光潔度: ------------------------------------------------- 80/50 for general and 40/20 scratch and dig  for high precision 保護性倒角:--------------------------------------------------<0.25x45deg 鍍膜:-------------------------------------------------------------Uncoated   Part No.  Dia(mm) T(mm) WIN4-101 10.0 0.5 WIN4-102 12.7 2.0 WIN4-103 12.7 3 WIN4-201 25.4 3.0 WIN4-202 25.4 4 WIN4-301 38.0 5.0 WIN4-501 50.0 3.0 WIN4-502 50.0 4