氟化鎂（MgF2）是一種無色、堅硬耐用的雙折射材料。該材料的耐久性以及對機械和熱的抵抗力震動使其能夠在惡劣的條件下以窗戶的形式使用，而雙折射使其對UV波段中的偏振器有用。它在之間傳輸0.1μm和7μm之間，在0.4-5.0μm之間超過90%。氟化鎂具有硬度約為HK576，使其成為光學氟化物中最硬的。

Material: Germanium
Diameter: +0.0/-0.2mm
Thickness: ±0.2
Surface Flatness @ 633nm: <2λ over 90% CA
Surface Quality (S/D): <60/40
Parallelism: <5’

Diameter: 2mm to 300mm+
Thickness: 0.1mm to 50.0mm+
Surface Flatness @ 633nm: <1 fringe
Surface Quality (S/D): <20/10
Parallelism: <1’

Part No. D (mm) T (mm) Coating Sides
WGE1000 10 2 Uncoated None
WGE2500 25 1 Uncoated None
WGE2501 25 2 Uncoated None
WGE2502 25.4 1 Uncoated None
WGE3200 32 3 Uncoated None
WGE1212 12.5 1 AR/AR 3-12um Both
WGE2542 25 1 AR/AR 3-12um Both
WGE2544 25 3 AR/AR 3-12um Both
WGE5012 50 1 AR/AR 3-12um Both
WGE5014 50 3 AR/AR 3-12um Both
WGE1211 12.5 1 AR/DLC 7-14um Both
WGE2533 25 3 AR/DLC 7-14um Both
WGE3033 30 3 AR/DLC 7-14um Both
WGE5033 50 3 AR/DLC 7-14um Both
WGE5011 50 10 AR/DLC 7-14um Both
WGE7533 75 3 AR/DLC 7-14um Both
WGE10011 100 10 AR/DLC 7-14um Both