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Coated fluoride material

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Coated fluoride material

Chemical 

formula

Specification /mm

Melting point 

/ temperature

Evaporation 

source

Refractive index

Transparent band

purpose

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

Antireflective film, multilayer film, filter, spectrometer

LiF

1-6, etc.

842

B

1.3943

110-6600nm

UV window, prism, lens, X-ray spectroscope

CeF3

 1-3, etc.

1460

E,B(W)

1.63

300-500nm

Resist 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, thermal reflection film / dielectric film, polarizing mirror, beam splitting mirror, laser 

coating

YF3

 1-3/3-5, etc.

1387


1.59

220-14000nm

Antireflection film, polarizer, beam splitter, laser 

coating

Na3AlF6

 1-8, etc.

1000

B(Ta,Mo)

1.32-1.35

200-14000nm

Narrow band filter, UV film

AlF3

1-4, etc.

900

B

1.38

200-20000nm

Antireflection coating

LaF3

1-3, etc.

1490

E,B(W,Mo)

1.55

200-12000nm

Antireflection film, dielectric lens, dichroic filter, 

polarizer

NdF3

1-4, etc.

1410

B(Ta,Mo)

1.61

220-6000nm

Antireflection film, polarizer, beam splitter, laser 

coating



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