尺寸公差/Dimensional Tolerance

+/-0.2

+/-0.1

+/-0.05

通光孔径/Clear Aperture

>80% to >90%

>80% to >90%

>80% to >90%

表面质量/Surface Quality

80/50

60/40

40/20

平行度/Parallelism

3 arc min

1 arc min

30 arc seconds

波长面形/Wavefront Distortion

5λper 25mm

1λper 25mm

λ/4

保护性倒角/Protective Bevel

<0.25x45 deg

<0.25x45 deg

<0.25x45 deg

材料/Material

紫外石英,熔融石英，红外石英, 高硼硅玻璃，蓝宝石玻璃，K9玻璃，B270等。

Synthetic fused Silica, Fused quartz, IR quartz, Borosilicate glass,Sapphire   crystal, K9, B270, etc.

形状/Shape

圆形窗口、方形窗口、三角形窗口、椭圆窗口、等其他异形窗口

Circular, square, triangular, oval, and other shaped windows

尺寸/Dimension

超大窗口、超薄窗口、常规窗口

Large   window, Ultra-thin window, Regular size window

精度/Precision

普通耐火窗口、高精密光学窗口

Ordinary   refractory window, High precision optical window

镀膜/Coating

紫外高反膜，增透膜，镀金，镀铝，镀银系列石英玻璃片，UV石英滤光片，弧形反射片等。

High   anti-UV Film, antireflective film, gold, aluminum, silver series quartz glass,   quartz UV filter, curved reflector and so on.