AR-Coated Optical Glass Windows for Machine Vision
High Optical Transmission | Reduced Ghosting & Glare | OEM Custom Sizing
- Industrial-Grade Protection: Acts as a robust first line of defense for expensive camera sensors and internal optics, shielding them from factory dust, oil mist, and physical debris without compromising image quality
- High-Efficiency BBAR Coating: Broadband anti-reflection coatings on both surfaces help reduce surface reflections, stray light, and ghosting, supporting improved image contrast in machine vision systems.
- Precision Optical Flatness: Manufactured with controlled parallelism and surface flatness to help minimize optical distortion and beam deviation in precision machine vision and automated inspection systems.
- OEM & Industrial Supply: AR-coated optical glass windows are available in custom sizes, thicknesses, substrate options, and coating specifications for machine vision and automation systems.
Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Substrate | Premium Optical Glass (K9/N-BK7, B270, or other optical glass) |
| Dimensions | Custom (Round, Square, Rectangular, or Stepped Geometries) |
| Dimensional Tolerance | ±0.1mm (Standard) / ±0.02mm (High Precision) |
| Surface Quality | 40-20 to 60-40 Scratch-Dig |
| Surface Flatness | < λ/4 @ 632.8nm |
| Parallelism | < 3 arc minutes (Standard) |
| Coating (Both Faces) | Broadband Anti-Reflection (BBAR) VIS (400-700nm) or NIR (700-1050nm) |
| Peak Transmittance | > 98% Absolute Transmission across design wavelength |
| Clear Aperture | > 90% of central dimension |
Product Overview
Built for Factory Automation
Save maintenance costs and reduce equipment downtime. These windows provide durable protection for industrial lenses and CMOS sensors. Engineered to withstand the rigors of 24/7 manufacturing environments, they allow vision engineers to secure sensitive internal components while maintaining high optical transmission in Automated Optical Inspection (AOI) systems.
Improved Contrast, Reduced Glare
Unwanted surface reflections can ruin image processing algorithms and trigger false rejects. Our dual-sided BBAR coating design solves this. By suppressing surface reflection down to <0.5% per face, the window maximizes photon transmission to the sensor while absorbing scattered light. This helps reduce ghosting and glare when inspecting reflective metallic or glass surfaces.
Reliable OEM & Industrial Supply
We support OEM and industrial customers with custom substrate options, dimensions, thicknesses, and AR coating specifications for machine vision and automation systems. Components can be supplied for integration into camera housings, sensors, and inspection equipment.
Metrology & Performance Reports
Figure 1: FTIR Spectrophotometer Transmittance Analysis
This curve illustrates the performance of our double-sided BBAR coating on K9 optical glass. It achieves a stable absolute transmittance of >98% across the 400nm to 1100nm spectrum. By suppressing surface reflection to <0.5% per face, it maximizes photon throughput to CMOS sensors and completely eliminates ghosting for both visible and NIR machine vision systems.
Figure 2: Surface Flatness Interferogram
This interferogram demonstrates the high-precision surface flatness of our optical windows. The straight, evenly spaced parallel fringes confirm minimal wavefront distortion (< λ/4), guaranteeing that the window will not introduce optical aberrations into your high-resolution automated inspection systems.
Metrology Analysis & Application Fit
- Target Transmission: BBAR VIS (400-700nm) or BBAR NIR (700-1050nm) tailored to match your specific LED illumination arrays.
- Performance Index: >98% broad spectrum transmission guarantees your camera captures maximum light, enabling faster shutter speeds and sharper imaging on high-speed conveyor lines.
- Mechanical Precision: High-tolerance CNC glass cutting ensures a perfect drop-in fit for your specific camera housings or protective enclosures, maintaining structural integrity during operation.
- Primary Applications: Ideal for robotic guidance, semiconductor wafer inspection, logistics barcode scanning, food sorting, and packaging defect detection under unpredictable factory lighting.
Custom Sub-Assembly & Engineering Services
Off-the-shelf windows don’t always fit custom hardware. We specialize in bridging the gap between raw optical components and final instrument assembly. Whether you need custom stepped edges for specialized mounting, customized Oleophobic (anti-smudge) outer coatings, or edge-blackening to eliminate internal scattering, our technical team is ready to optimize your vision systems.