Premium ZnS Windows – Broadband IR Transmission & Custom Optics for Demanding Applications

• Diameter / Dimensions: 5 mm to 350 mm, with tight tolerances from ±0.05 mm
• Thickness: 0.5 mm to 20 mm, optimized for pressure windows or vacuum feedthroughs
• Surface Quality: 20-10 or better scratch-dig per MIL-PRF-13830B
• Flatness: λ/4 to λ/10 at 632.8 nm
• Parallelism: ≤ 3 arcminutes, with options as tight as 5 arcseconds
• Coatings: DLC (Diamond-Like Carbon) for environmental protection, BBAR (Broadband Anti-Reflection) for 3–5 µm or 8–12 µm bands, or custom multi-layer coatings
• Edge Finish: Beveled, chamfered, or fine-ground
• Custom Shapes: Round, rectangular, or stepped geometries available

• Thermal imaging and FLIR camera windows (MWIR/LWIR)
• Forward-looking infrared (FLIR) systems for military and surveillance
• CO₂ laser optics and beam delivery components
• Industrial pyrometers and gas analyzers
• Hyperspectral imaging sensors for environmental monitoring

• Missile domes and reconnaissance pod windows

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