椭圆反射镜
特性
l 45°处为圆形孔径
l 通光孔径>70%
l 第一表面平面反射镜
l 紫外熔融石英基底
l 保护银,保护铝,保护金或宽带介质膜
产品规格
Minor Axis
|
1/2" (12.7 mm)
|
1" (25.4 mm)
|
2" (50.8 mm)
|
Major Axis
|
0.71" (18.0 mm)
|
1.41" (35.9 mm)
|
2.83" (71.8 mm)
|
Dimensional Tolerance
|
+0.00/-0.10 mm
|
Thickness
|
6.0 mm (0.24")
|
6.0 mm (0.24")
|
12.0 mm (0.47")
|
Thickness Tolerance
|
±0.2 mm
|
Clear Aperture
|
>70% of Area
|
Substrate
|
UV Fused Silica
|
Back Surface
|
Fine Ground
|
Front Surface Flatness
|
λ/10
|
Surface Quality
(Scratch-Dig)
|
E02
|
10-5
|
E03
|
10-5
|
P01 (Silver)
|
40-20
|
G01 (Aluminum)
|
40-20
|
M01 (Gold)
|
40-20
|
Average Reflectance
|
E02
|
>99% from 400 nm to 750 nm
|
E03
|
>99% from 750 nm to 1100 nm
|
P01 (Silver)
|
>97.5% from 450 nm to 2 µm, >96% from 2 µm to 20 µm
|
G01 (Aluminum)
|
>90% from 450 nm to 2 µm, >95% from 2 µm to 20 µm
|
M01 (Gold)
|
>96% from 800 nm to 20 µm
|
Damage Threshold
|
E02
|
0.25 J/cm2 at 532 nm, 10 ns, 10 Hz, Ø0.803 mm
|
E03
|
1 J/cm2 at 810 nm, 10 ns, 10 Hz, Ø0.133 mm
0.5 J/cm2 at 1064 nm, 10 ns, 10 Hz, Ø0.433 mm
|
P01 (Silver)
|
3 J/cm2 at 1064 nm, 10 ns, 10 Hz, Ø1.000 mm
|
G01 (Aluminum)
|
0.3 J/cm2 at 1064 nm, 10 ns, 10 Hz, Ø1.000 mm
|
M01 (Gold)
|
2 J/cm2 at 1064 nm, 10 ns, 10 Hz, Ø1.000 mm
|
|