波长范围

    Wavelength Range

Avg反射

        Avg. Reflectance

镀膜

                    Coating

    250 nm – 450 nm

                    >85%

UV增强铝

      UV Enhanced Aluminum

450 nm- 20 um

>90% for 450 nm - 2 µm 

>95% for 2µm  – 20µm 

保护铝

          Protected Aluminum

>97% for 450 nm - 2 um

>95% for 2µm  – 20µm 

保护银

            Protected Silver

800 nm - 20 um

>96%

保护金

           Protected Gold

>97%

不受保护的金

          Unprotected Gold

波长范围Wavelength Range

250 - 450 nm

底面Substrate

H-K9L / UV Fused Silica

反射比Reflectance

Ravg>85% from 250 to 450 nm

尺寸偏差Dimension Tolerance

+/- 0.1mm

表面质量

Surface Quality

40-20 scratch and dig

表面光圈

Surface Flatness

λ/4 up to λ/10 @ 633 nm

平行度Parallelism

< 3 arc min

通光孔径

Clear Aperture

>90%

波长范围

450 nm - 20 µm

基底

H-K9L /  Fused Silica

反射比

Ravg>90% from 450 nm to 2 µm

Ravg>95% from 2 µm to 20 µm

尺寸公差

+/- 0.1mm

表面质量

40-20 scratch and dig

表面平坦

λ/4 up to λ/10 @ 633 nm

平行度

< 3 arc min

通光孔径

>90%