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Infrared Optics
BaF2 Crystal
CaF2 Crystal
CVD ZnS
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CVD ZnSe
Ge Crystal
Hot Press ZnS
Hot Press MgF2
Hot-Pressed Polycrystalline Magnesium Fluoride (HP MgF2)

HP MgF2 has better mechanical, thermal properties and chemical stability than single MgF2 crystal, and is used as the window material of infrared imaging systems for its good infrared transmittance.

Main Properties:

Transmission Wavelength (m)
0.79
Knoop's Hardness (kg/mm2)
539
Fracture Strength (MPa)
96
Compression Strength (MPa)
>300
Bending Strength (MPa)
>70
Density (g/cm3)
3.17
Thermal Expansion Coefficient (10-5/ K)
1.3 (25300 )
Refractive Index (= 0.5893 m)
1.3812 0.005
Transmittance
>85% (27.5m)

Transmission Spectrum:

 

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