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光學材料(Optics)
 
 

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 :

Material

Description

Al2O3

 Tablets/Granules, Fused or Sintered, T=200-5000nm, n=1.63 at 500nm 

BaF2

 Tablets, T=250-15000nm, IR coatings, n=1.48 at 500nm 

CaF2

 Tablets, T=150-12000nm, n= 1.3 at 500nm 

CeO2

 Tablets, AR coatings for UV-VIS. T=400-14,000nm. n=2.08 at 500nm 

Na5Al3F14

 Tablets, T=250-14000nm, n=1.3 at 500nm 

Na3AlF6

 Tablets, T= 250-14000nm, n=1.33 at 500nm 

HfO2

 UV Grade/Tabs/Granules, Zr <0.5%, T=230-7000nm, n=1.95 at 500nm 

ITO

 Tablets,T=400-1000nm, <70 ohm/sq., n=2 at 500nm 

PbF2

 Tablets, T=250-16µm, n=1.75 at 500nm 

LiF

 Granules, T=100-7000nm, n=1.4 at 550nm

MgF2

 Tablets/Granules, T=150-7000nm, n=1.37 at 550nm 

MgO

 Tablets/Granules,T=200-8000nm, n=1.7 at 500nm 

MgAl2O4

 Tablets/Granules 

Nb2O5

 Tablets/Granules 

SiO2

 Granules,T=170-2000nm, n=1.46 at 500nm 

SiO

 Granules, T=600-8000nm, n=1.55 at 550nm 

Ta2O5

 Tablets/Black, T=350-7000nm, n=2.1 at 500nm 

TiO2

 Tablets/Black/White, T=400-12000nm, n=2.3 at 550nm 

Ti2O3

 Tablets, T=400-12000nm, n=2.35 at 500nm 

Ti3O5

 Tablets, T=400-12000nm, n=2.35 at 500nm 

TiO

 Granules, T=400-1200nm, n=2.35 at 500nm 

Y2O3

 Tablets/Granules, T=300-8000nm, n=1.9 at 550nm 

ZnS

 Tablets, T=400-14000nm, n=2.39 at 550nm 

ZrO2

 Tablets/Granules, T=300-7000nm, n=2.05 at 500nm 

Optima 1

 ZrO2/TiO2, T= 350-7000nm, n=2.1 at 550nm 

Optima 2

 TiO2/Pr6O11, T= 400-7000nm, n=2.1 at 550nm 

Optima 3

 Tablets, thick, low stress IR coatings, ThF 4 replacement 

Optima 4

 ZrO2/Ta2O5, T=370-7000nm, n=2.05 at 500nm 

Optima 5

 TiO2/Ta2O5, T=400-7000nm, n=2.15 at 500nm

 
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