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Products / Optics / Windows and Diffusers / Visible Windows / Magnesium Fluoride (MgF2) Windows
See all 6 Products in Family

TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
20mm Diameter Uncoated, Magnesium Fluoride Window

Stock #87-704
€225.00
Qty 1-10
€225.00
Qty 11
€202.50
Volume Pricing
Request a Quote
Abbe Number (vd):
106.22
Clear Aperture (%):
90.00
Diameter (mm):
20.00 +0.0/-0.1
Thickness (mm):
2.00
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
13.7
Knoop Hardness (GPa):
415
Young's Modulus (GPa):
138
Density (g/cm3):
3.18
Index of Refraction nd:
1.377
Parallelism (arcmin):
<1
Poisson's Ratio:
0.271
Substrate:
MgF2
Surface Flatness:
λ/2
Surface Quality:
40-20
Thickness Tolerance (mm):
±0.1
Type:
Protective Window
Wavelength Range (μm):
0.12 - 7
Wavelength Range (nm):
120 - 7000

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 197:
Compliant
×

Product Family Description

  • 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. It has a Knoop Hardness of 415 and index of refraction of 1.38.

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Edmund Optics GmbH Germany acts as an agent for Edmund Optics Ltd. UK.
The contract partner is Edmund Optics Ltd. UK. Products are shipped from the UK.

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