Magnesium Fluoride Windows, IR Grade, ø25.4mm

Magnesium Fluoride (MgF2) is a proven material for high-energy lasers, especially for lasers operating in the UV range. Typically, the working surface of all optics is perpendicular to the c-axis MgF2 crystal. We provide our customers with excellent quality MgF2 windows.

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Catalog Number

ACMA00028103

Product Name

Magnesium Fluoride Windows, IR Grade, ø25.4mm

Melting Point

1255 ℃

Diameter

ø 25.4 mm

Thickness

3 mm

DimensionTolerance

diameter±0.1mm/thickness±0.2 mm

Flatness

λ/4 @ 633 nm

Parallelism

<3 arcmin

Surface Quality

40-20 scratch & dig

ClearAperture

90% of diameter

Crystal Structure

tetragonal

Lattice Parameters

a = 4.60 Å, c = 3.06 Å

Density

3.177 g/cm³

Refractive Indices

@ 1.0 µm, no = 1.3796, ne = 1.3852

Transmission

0.11-7.5 µm

Material

(Substrate) IR grade MgF2

Type

Spectral range UV, IR

MSDS

COA

Spec Sheet

Features And Benefits

1. Very hard and strong; 2. Mechanical and thermal shock resistance; 3. The only optical material that combines a broad spectral transmission band with birefringence.

Application

Magnesium fluoride windows are especially useful for lasers operating in the UV range.

• Catalog Number: ACMA00028103
• Product Name: Magnesium Fluoride Windows, IR Grade, ø25.4mm
• Melting Point: 1255 ℃
• Diameter: ø 25.4 mm
• Thickness: 3 mm
• DimensionTolerance: diameter±0.1mm/thickness±0.2 mm
• Flatness: λ/4 @ 633 nm
• Parallelism: <3 arcmin
• Surface Quality: 40-20 scratch & dig
• ClearAperture: 90% of diameter
• Crystal Structure: tetragonal
• Lattice Parameters: a = 4.60 Å, c = 3.06 Å
• Density: 3.177 g/cm³
• Refractive Indices: @ 1.0 µm, no = 1.3796, ne = 1.3852
• Transmission: 0.11-7.5 µm
• Material: (Substrate) IR grade MgF2
• Type: Spectral range UV, IR