We provide customers with elliptical windows that bend light at precise angles with minimal wave distortion due to the extension of the long axis. Elliptical windows can be coated with our standard metallic or highly reflective dielectric coatings.
Request bulk or custom formats
Catalog Number
ACMA00029304
Product Name
Elliptical BK7 Window, Minor Axis 25mm, Major Axis 35mm
Thickness
4 mm
DimensionTolerance
thickness±0.25 mm
Flatness
λ/4 @ 633 nm
Parallelism
<3 min
Surface Quality
20-10 scratch & dig
Material
BK7
OpticalAxis
minor axis 25 mm±0.25 mm
major axis 35 mm±0.25 mm
MSDS
COA
Spec Sheet
1. Made of BK-7 glass or UV fused silica; 2. Polished to high surface quality; 3. Ideal for beam orientation applications;
Precision 45 degree elliptical windows are ideal for technical and astronomical applications.