Calcium Fluoride Optical Windows

180nm – 8.0μm
Ideal for excimer laser applications
Low absorption and high damage threshold

Features
Uncoated and AR-Coated Versions Available
Low chromatic aberration compared to other IR materials
In-house OEM and custom manufacturing solutions

Applications
Excimer Laser … etc.
Please contact us for more specific applications and markets.

MicoSpectra also offers Wedged Windows fabricated from N-BK7, UV Fused Silica, and other substrate materials. If you are looking for the wedged windows, please contact us for more information.

Optical material Calcium Fluoride (CaF2)
Size Ø12.5, Ø20, Ø25, Ø25.4, Ø30
Round and rectangular custom size available
Size tolerance Diameter, +0.0/-0.2mm
Thickness, ±0.3mm
Surface quality 20-10 Scratch-Dig
Surface flatness λ/4
Parallelism <3 arc min
Wavelength range 180 nm - 8 μm (Uncoated)
Clear Aperture >80% of central dimension
Wavelength Range Substrate Material
350 nm - 2.0 μm N-BK7
185 nm - 2.1 μm UV Fused Silica
150 nm - 5.0 μm Sapphire
120 nm - 8.0 μm Magnesium Fluoride (MgF2)
180 nm - 8.0 μm Calcium Fluoride (CaF2)
3 - 5 μm Barium Fluoride (BaF2)
600 nm - 16 µm Zinc Selenide (ZnSe)
1.2 - 8.0 μm Silicon (Si)
2.0 - 16 μm Germanium (Ge)