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光學材料(Optics) |
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光學鍍膜藉著對不同波長光線的折射率不同, 以不同厚度的膜層組合, 可製造出全反射, 全穿透 (抗反射, AR), 或不同波長部份穿透或部份反射 (UV Cut, IR Cut, …) 的光學鏡片. 常用的光學鍍膜材料如下表 :
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Material
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Description
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Al2O3
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Tablets/Granules, Fused or Sintered, T=200-5000nm, n=1.63 at 500nm
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BaF2
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Tablets, T=250-15000nm, IR coatings, n=1.48 at 500nm
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CaF2
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Tablets, T=150-12000nm, n= 1.3 at 500nm
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CeO2
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Tablets, AR coatings for UV-VIS. T=400-14,000nm. n=2.08 at 500nm
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Na5Al3F14
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Tablets, T=250-14000nm, n=1.3 at 500nm
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Na3AlF6
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Tablets, T= 250-14000nm, n=1.33 at 500nm
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HfO2
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UV Grade/Tabs/Granules, Zr <0.5%, T=230-7000nm, n=1.95 at 500nm
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ITO
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Tablets,T=400-1000nm, <70 ohm/sq., n=2 at 500nm
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PbF2
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Tablets, T=250-16µm, n=1.75 at 500nm
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LiF
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Granules, T=100-7000nm, n=1.4 at 550nm
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MgF2
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Tablets/Granules, T=150-7000nm, n=1.37 at 550nm
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MgO
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Tablets/Granules,T=200-8000nm, n=1.7 at 500nm
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MgAl2O4
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Tablets/Granules
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Nb2O5
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Tablets/Granules
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SiO2
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Granules,T=170-2000nm, n=1.46 at 500nm
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SiO
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Granules, T=600-8000nm, n=1.55 at 550nm
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Ta2O5
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Tablets/Black, T=350-7000nm, n=2.1 at 500nm
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TiO2
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Tablets/Black/White, T=400-12000nm, n=2.3 at 550nm
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Ti2O3
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Tablets, T=400-12000nm, n=2.35 at 500nm
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Ti3O5
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Tablets, T=400-12000nm, n=2.35 at 500nm
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TiO
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Granules, T=400-1200nm, n=2.35 at 500nm
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Y2O3
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Tablets/Granules, T=300-8000nm, n=1.9 at 550nm
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ZnS
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Tablets, T=400-14000nm, n=2.39 at 550nm
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ZrO2
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Tablets/Granules, T=300-7000nm, n=2.05 at 500nm
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Optima 1
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ZrO2/TiO2, T= 350-7000nm, n=2.1 at 550nm
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Optima 2
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TiO2/Pr6O11, T= 400-7000nm, n=2.1 at 550nm
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Optima 3
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Tablets, thick, low stress IR coatings, ThF 4 replacement
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Optima 4
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ZrO2/Ta2O5, T=370-7000nm, n=2.05 at 500nm
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Optima 5
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TiO2/Ta2O5, T=400-7000nm, n=2.15 at 500nm
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