Broadband AR-Coated BK7 Optical Glass Dome for Multispectral Camera Housings
Material
- BK7 Optical Glass: The dome is crafted from BK7 optical glass, a type of crown glass with well-established optical properties. BK7 glass is known for its high transparency, low dispersion, and good chemical durability, making it a reliable choice for optical components.
Property
- Broadband Anti-Reflection (AR) Coating: The surface of the BK7 glass dome is treated with a broadband anti-reflection coating. This coating minimizes the reflection of light across a wide range of wavelengths, thereby enhancing the transmission efficiency of the glass. This property is crucial for multispectral imaging, where capturing light from multiple spectral bands is essential.
- Durability: The coating is designed to be durable, withstanding environmental factors such as humidity, temperature changes, and exposure to cleaning agents, ensuring long-term performance in various conditions.
Function
- Optical Transmission Enhancement: The AR coating significantly reduces reflection losses, allowing more light to pass through the glass dome and reach the multispectral camera's sensor. This enhances the camera's sensitivity and image quality by capturing a broader range of light intensities and colors.
- Protective Barrier: The glass dome itself serves as a protective layer, shielding the camera's sensitive components from external elements like dust, moisture, and mechanical stress.
Application
- Multispectral Camera Housings: This broadband AR-coated BK7 optical glass dome is specifically designed for use in multispectral camera housings. Multispectral cameras capture images in multiple spectral bands, providing more detailed and accurate information about the scene being imaged. The dome enhances the camera's performance by maximizing light transmission and protecting the internal components.
- Scientific Research and Surveillance: The dome's capabilities make it suitable for applications in scientific research, where accurate multispectral imaging is crucial for data collection and analysis. It is also well-suited for surveillance systems, enabling high-quality monitoring across various spectral ranges.
Name | Optical glass dome |
Material | Optical glass, Qurartz glass, borosilicate glass |
Diameter Tolerance | +0/-0.15 mm |
Thickness Tolerance | +/-0.15mm |
Processed | by grinding, polishing |
Surface Quality | 80/50,60/40 |
Material Quality | no scratches and air bubble |
Transmission | above 90% |
Chamfer | 0.1-0.5 mm x 45° |
Surface Coating | Available |
Usage | Photography, Lighting system, Optics |


