High quality, uncoated round windows for high power use in beam sampling & sample isolation; ? 10 arc sec wedge. Polished to high quality with almost perfectly parallel surfaces, these uncoated laser-grade round windows minimize angular deviation and misalignment when used in high power and high performance applications. Available from stock in N-BK7 or fused silica. Custom coatings, sizes, and substrate options are available upon request.
Product Code: PW1
Optical Material: Standard Grade Corning 7980 1-D (Fused Silica) or N-BK7
Diameter Tolerance: +0/-0.25mm
Thickness Tolerance: ±0.25mm
Wedge Tolerance: ≤10 arc seconds
Chamfer: Ø ≤ 50.8mm: 0.35mm leg width at 45° nominal Ø > 50.8mm: 0.85mm leg width at 45° nominal
Surface Quality: 10-5 scratch-dig per MIL-PRF-13830b
Transmitted Wavefront Error (TWE): < λ/10 p-v at 633nm