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尺寸公差/Dimensional Tolerance

+/-0.2

+/-0.1

+/-0.05

通光孔徑/Clear Aperture

>80% to >90%

>80% to >90%

>80% to >90%

表面質量/Surface Quality

80/50

60/40

40/20

平行度/Parallelism

3 arc min

1 arc min

30 arc seconds

波長面形/Wavefront Distortion

5λper 25mm

1λper 25mm

λ/4

保護性倒角/Protective Bevel

<0.25x45 deg

<0.25x45 deg

<0.25x45 deg

材料/Material

紫外石英,熔融石英，紅外石英, 高硼硅玻璃，藍寶石玻璃，K9玻璃，B270等。

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

形狀/Shape

圓形窗口、方形窗口、三角形窗口、橢圓窗口、等其他異形窗口

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

尺寸/Dimension

超大窗口、超薄窗口、常規窗口

Large   window, Ultra-thin window, Regular size window

精度/Precision

普通耐火窗口、高精密光學窗口

Ordinary   refractory window, High precision optical window

鍍膜/Coating

紫外高反膜，增透膜，鍍金，鍍鋁，鍍銀系列石英玻璃片，UV石英濾光片，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.