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Optics/Optic Communication Industry
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Optics/Optic Communication Industry   »  Fluoride Materials
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Fluoride Materials
Chemical formula Specification/mm Melting point/℃ Evaporator source Refractive index Transparent band Use
Formula Preduct
Size
melting
point
Evaporatio
source
Refractive index
at550nm
The transparent
band
Application
MgF2 1-2/1-3 etc. 1266 B(W,Ta,Mo) 1.38 110-10000nm Antireflection film, multilayer film, optical filter, optical splitter
CeF3  1-3 etc. 1460 E,B(W) 1.63 300-500nm Protective film
CaF2  1-3 etc. 1360 B(W,Ta,Mo) 1.23-1.46 150-12000nm Antireflection film, polariscope
YbF3  1-3 etc. 1157 E 1.52 220-12000nm Antireflection film, heat reflection film/dielectric film, polariscope, beam splitter, laser coating
YF3  1-3/3-5 etc. 1387   1.59 220-14000nm Antireflection film, polariscope, beam splitter, laser coating
Na3AlF6  1-8 etc. 1000 B(Ta,Mo) 1.32-1.35 200-14000nm Spike filter, ultraviolet film
AlF3  1-4 etc. 900 B 1.38 200-20000nm Antireflection film
LaF3  1-3 etc. 1490 E,B(W,Mo) 1.55 200-12000nm Antireflection film, dielectric mirror, bidirectional color filter polariscope
NdF3  1-4 etc. 1410 B(Ta,Mo) 1.61 220-6000nm Antireflection film, polariscope, beam splitter, laser coating
 
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