Magnesium Fluoride (MgF2) Components

Substrate

Diameter

Thickness

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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
520-5385	UV grade MgF2	ø 38,1 mm	5 mm	253 $	4 - 5 days
520-5506	UV grade MgF2	ø 50,8 mm	6 mm	407 $	4 - 5 days
520-6253	IR grade MgF2	ø 25,4 mm	3 mm	121 $	Request
520-6385	IR grade MgF2	ø 38,1 mm	5 mm	290 $	Request
520-6506	IR grade MgF2	ø 50,8 mm	6 mm	385 $	4 - 5 days

Physical Properties

Crystal type	tetragonal
Density , g/cm3	3.177
Melting point, °C	1255
Refractive index @ 1.0 µm	n_o = 1.3796, n_e = 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

EKSMA Optics Magnesium Fluoride (MgF2) Components
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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.

Magnesium Fluoride (MgF2) Components

Magnesium Fluoride (MgF2) Components

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