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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

Magnesium Fluoride (MgF2) Windows

Magnesium Fluoride (MgF2) Windows

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  • Excellent Transmission from 120nm to 7μm
  • Rugged and Durable
  • Resistant to Chemical Etching

TECHSPEC® Magnesium Fluoride (MgF2) Windows offer excellent broadband transmission from the deep-UV to the mid-infrared. DUV transmission makes them ideal for use at the Hydrogen Lyman-alpha line and for UV radiation sources and receivers, as well as excimer laser applications. MgF2 is a rugged material resistant to chemical etching, laser damage, and mechanical and thermal shock. TECHSPEC® Magnesium Fluoride (MgF2) Windows have a Knoop Hardness of 415 and index of refraction of 1.38. The windows are offered in diameters ranging from 5 to 75mm.

Common Specifications

Bevel:
Protective as needed
Clear Aperture (%):
90
Edges:
Fine Ground
Knoop Hardness (kg/mm2):
415
Poisson's Ratio:
0.271
Young's Modulus (GPa):
138
Abbe Number (vd):
106.22
Coating:
Uncoated
Index of Refraction (nd):
1.377
Substrate:
Magnesium Fluoride (MgF2)
Surface Quality:
40-20
Wavelength Range (nm):
120 - 7000
Coefficient of Thermal Expansion CTE (10-6/°C):
13.7
Density (g/cm3):
3.18

Products

Dia. (mm)  Thickness (mm)   Coating   Compare   Stock Number   Price  Buy
5.00 1.00 Uncoated
10.00 1.50 Uncoated
12.50 2.00 Uncoated
12.70 2.00 Uncoated
20.00 2.00 Uncoated
25.00 3.00 Uncoated
25.40 3.00 Uncoated
30.00 3.00 Uncoated
40.00 3.00 Uncoated
50.00 3.00 Uncoated
50.80 3.00 Uncoated
75.00 5.00 Uncoated

Technical Information

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