氟化镁（MgF2）是一种无色、坚硬耐用的双折射材料。该材料的耐久性以及对机械和热的抵抗力震动使其能够在恶劣的条件下以窗户的形式使用，而双折射使其对UV波段中的偏振器有用。它在之间传输0.1µm和7µm之间，在0.4-5.0µm之间超过90%。氟化镁具有硬度约为HK576，使其成为光学氟化物中最硬的。

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