MgF2 windows are used in the UV, visible and IR ranges, with approximately 94% transmission from 200 – 1000 nm, and approximately 95% transmission from 1-6µm
Features
IR Windows Magnesium Fluoride (MgF2) Windows
MgF2 has excellent transmission from deep in the ultraviolet region to the mid-infrared. MgF2 windows are extremely durable and introduce minimal aberrations. It is particularly useful for Excimer laser application.
MgF2 is one crystal with Orientation. WTS offer C-Axis and random Orientation MgF2 windows.
MgF2 Windows SPECIFICATION:
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MgF2 Main Properties and Performance
Transmission range (μm) | 0.11~7.5 |
Refractivity (0.7μm) | n0=1.37608 ne=1.38771 |
Reflection Loss at 0.6μm | 5.2%(both faces) |
Thermal expansion coefficient (℃-1) | 13.7(//axis c), 8.9(⊥axis c) |
Thermal conductivity at 300K (Wm-1K-1) | 0.3 |
Knoop Hardness (kg/mm2) | 415 |
Solubility (g/100gH2O·0℃) | 0.0002 |
Density (g/cm3) | 3.18 |
Melting Point (℃) | 1255 |