BK7 Windows

• Model: BK7 Windows
• Company: Advanced Optics Inc.
• Type: Windows
• Diameter / Dimension: 1mm - 304.8mm
• Applications: Astronomy, Biomedical/Medical, Communications, Industrial, Military, Scientific Research, Other
• Accuracy: λ/20
• Parallelism: ≤ 2 arc sec
• Surface Quality: 20/10
• Surface Finish: 5-10 Å

N-BK7 optical windows are an excellent choice for VIS to NIR applications that require a high index of refraction and high transmission between 350-2.5µc.
Advanced Optics carries a wide range of N-B7 windows in house and has the ability to:
- Precision polish down to 1/20 wave
- Fabricate custom sizes and shapes
- Achieve parallelism of < 2 arc sec
- Provide BBAR and custom V-coats