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反射镜材料
LAYERTEC为您的产品提供多种基材。为了帮助您选择合适的产品,我们提供了多种支持方式。在这里,您可以看到所选材料的透射曲线。请随时联系我们获取更多信息。
基材
111 |
YAG (undoped) |
Sapphire |
BaF2 |
CaF2 |
Infrasil |
Fused silicia (UV) |
BK7 |
SF10 |
Wavelength range free of absorption |
400nm-4μm |
400nm-4μm |
400nm-10μm |
130nm-7μm |
300nm-3μm |
190nm-2μm |
400nm-1.8μm |
400nm-4μm |
Refractive index at |
||||||||
200nm |
? | ? | ? | 1.49516 |
? | 1.55051 |
? | ? |
300nm |
? | ? | ? | 1.45403 |
? | 1.48779 |
? | ? |
500nm |
1.8450 |
1.775 |
1.479 |
1.43648 |
1.46233 |
1.46243 |
1.5412 |
1.7432 |
1μm |
1.8197 |
1.756 |
1.468 |
1.42888 |
1.45042 |
1.45051 |
1.5075 |
1.7039 |
3μm |
1.7855 |
1.71 |
1.461 |
1.41785 |
1.441941 |
? | ? | ? |
5μm |
? | 1.624 |
1.451 |
1.39896 |
? | ? | ? | ? |
9μm |
? | ? | 1.408 |
1.32677 |
? | ? | ? | ? |
Absorbing in 3μm region |
no |
no |
no |
no |
yes |
yes |
yes |
yes |
Absorbing in 940nm region |
For higher power applications at 940nm we recommend the fused silicia SUPRASIL 300 |
|||||||
Birefringence |
no |
yes |
no |
no4) |
no |
no |
no |
no |
Thermal expansion coefficient |
7 |
5 |
19 |
18 |
0.5 |
0.5 |
7 |
8 |
Resistance against temperature |
high |
high |
very low |
low |
high |
high |
high |
medium |
LAYERTEC standard specifications for |
||||||||
surface roughness (rms) |
0.2nm |
0.5nm |
1nm |
0.15nm |
0.15nm |
0.15nm |
0.5nm |
0.5nm |
Flatness (plane surface) (546nm) |
λ/4 |
λ/4 |
λ/2 |
λ/10 |
λ/10 |
λ/10 |
λ/10 |
λ/10 |
Surface figure (curved) (546nm) |
λ/4 |
λ/2 |
? | λ/4 |
λ/4 |
λ/4 |
λ/4 |
λ/4 |
Surface quality (ISO 10110) |
5/1x0.025 |
5/3x0.025 |
5/2x0.4 |
5/3x0.025 |
5/1x0.025 |
5/1x0.025 |
5/2x0.4 |
5/2x0.4 |
1)Heraeus Quarzglas GmbH&Co. KG的注册商标
2)SCHOTT AG的注册商标
3)在此波长范围内的吸收带,请参见透射曲线
4)仅在VUV波长范围内可测量的效果
5)此处给出的值是四舍五入的,因为文献中不同作者的度量不一致。请注意,晶体的热膨胀系数也取决于晶体的取向。
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