Plane Parallel

Parallel Windows (PW1) are made for use in beam sampling and sample isolation. These uncoated laser-grade windows are polished to near perfect parallel surfaces which allows for the angular deviation and misalignment to be minimized when used in applications. They are intended for transmissive use and are parallel to equal to or better than 10 arc minutes. These windows are manufactured to a surface figure of λ/10 at 633nm. OptiSource Plane Parallel Windows are available as coated optics. To select a coating please see the coating offerings in our catalog; if your dimensions are not listed, please call OptiSource Technical Sales regarding a quotation for your prototype or OEM requirement.

Specifications
Surface Figure λ/10 @ 633nm
Surface Quality: 10-5
Diameter Tolerance: +0.00/-0.25mm
Thickness Tolerance: +/- 0.25mm
Wedge: ≤10 arc second
Chamfer: 0.35mm X 45° Typical
Clear Aperture: Central 85% of Dimension

Parallel Window Configurations
Product Number Diameter (mm) Thickness (mm) Surface Quality Surface Figure Material
PW1-0525-XX 12.70 6.35 10–5 λ/10 @ 633nm UV, BK-7
PW1-0537-XX 12.70 9.53 10–5 λ/10 @ 633nm UV, BK-7
PW1-1012-XX 25.40 3.18 10–5 λ/10 @ 633nm UV, BK-7
PW1-1025-XX 25.40 6.35 10–5 λ/10 @ 633nm UV, BK-7
PW1-1037-XX 25.40 9.53 10–5 λ/10 @ 633nm UV, BK-7
PW1-1525-XX 38.10 6.35 10–5 λ/10 @ 633nm UV, BK-7
PW1-1537-XX 38.10 9.53 10–5 λ/10 @ 633nm UV, BK-7
PW1-2025-XX 50.80 6.35 10–5 λ/10 @ 633nm UV, BK-7
PW1-2037-XX 50.80 9.53 10–5 λ/10 @ 633nm UV, BK-7
PW1-3037-XX 76.20 9.53 10–5 λ/10 @ 633nm UV, BK-7
PW1-3050-XX 76.20 12.70 10–5 λ/10 @ 633nm UV, BK-7
PW1-4050-XX 101.60 12.70 10–5 λ/10 @ 633nm UV, BK-7