Magnesium Fluoride (MgF2) Components

  • Very hard and rugged
  • Resistant to mechanical and thermal shock
  • The only one optical material combining a wide spectral transmission band with birefringence phenomenon

Magnesium fluoride (MgF2) is a proven material for high energy lasers, and particularly for lasers operating in the UV range. Generally all optical elements are manufactured with the working surface perpendicular to the c-axis MgF2 crystal.

Delivery

Estimated delivery time: from 4 - 5 days

Substrate
Diameter
Thickness

Magnesium Fluoride (MgF2) windows

Code Substrate Diameter Thickness Price Delivery Add to cart
520-5253 UV grade MgF2 ø 25,4 mm 3 mm 143 $ 4 - 5 days To cart
520-5385 UV grade MgF2 ø 38,1 mm 5 mm 253 $ Request To cart
520-5506 UV grade MgF2 ø 50,8 mm 6 mm 407 $ 4 - 5 days To cart
520-6253 IR grade MgF2 ø 25,4 mm 3 mm 121 $ Request To cart
520-6385 IR grade MgF2 ø 38,1 mm 5 mm 290 $ 4 - 5 days To cart
520-6506 IR grade MgF2 ø 50,8 mm 6 mm 385 $ 4 - 5 days To cart
Delicious

Physical Properties

Crystal type

tetragonal

Density , g/cm3

3.177

Melting point, °C

1255

Refractive index @ 1.0 µm

no = 1.3796, ne = 1.3852

Transmission band, µm

0.11÷7.5

Lattice constant, Å

a = 4.60, c = 3.06


Specifications

Material

MgF2 

Surface quality 

40-20 scratch & dig (MIL-PRF-13830B)

Clear aperture

90% of diameter

Diameter tolerance

+0.0 -0.1 mm

Thickness tolerance

±0.2 mm

Parallelism

<3 arcmin

Flatness 

λ/4 @ 633  nm

Spectral range 

UV, IR

 

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