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  • High Precision Achromatic Waveplate

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  • IR Windows Magnesium Fluoride MgF2 Windows

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  • IR Windows Calcium fluoride CaF2 Windows

    CaF2 has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. 1. Low absorption coefficient 2. High damage threshold, 3. Low Dispersion (with an Abbe Number of 95) 4. Low fluorescence 5. Excellent water, chemical, and heat resistance

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MgF2 Window

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IR Windows Magnesium Fluoride MgF2 Windows

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

  • product orgin:

    China
  • shipping port:

    Fuzhou China
  • payment:

    T/T Payment, Western Union
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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:

Material: MgF2
Dimension Tolerance: +0.0, -0.1mm
Thickness Tolerance: ± 0.1mm
Surface quality: 80/50
Clear Aperture: >85%
Flatness: λ per 25mm
Parallelism: 3' 
Bevel: <0.25mm X 45°
Coating: Upon requirement


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

MgF2 WindowMagnesium Fluoride Window


Typical Sizes:

Round Shape Φ5.0; Φ10.0 ; Φ12.7; Φ15.0; Φ20.0; 
Diameter(mm): Φ25.4; Φ30.0; Φ38.1; Φ50.8; Φ76.2
Square Shape: 5.0x5.0 ; 10.0x10.0 ; 15.0x15.0 ; 
WxH(mm) 20.0x20.0; 25.0x25.0; 50.0x50.0
Thickness(mm): 0.5; 1.0; 1.5; 2.0; 3.0; 
4.0; 5.0; 6.0; 8.0; 10.0

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