Silicon (Si) Windows are parallel plane panels that are often used as protective windows for electronic sensors or detectors of the external environment.
When selecting a window, attention should be paid to the window material, transmittance and transmission band, surface shape, smoothness, parallelism and other parameters.
An IR-ready UV window is a window designed for use in the outer infrared or ultraviolet spectrum. Windows are designed to protect electronic sensors, detectors or other sensitive optical components from saturation or light damage.
Silicon is a commonly used optical glass material in the infrared band. The transmission band is 1.2-8.0μm. Silicon has high thermal conductivity. It can be used as the substrate for a variety of optical components, such as lenses, windows, etc.
It is often used in near-infrared and mid-infrared applications, and is also suitable for infrared imaging, terahertz imaging, medical, military and other applications.
Specification
| Materials | Silicon single crystal |
| Diameter | 5-300 mm |
| Dimension Tolerance | ±0.05 mm |
| Center Thickness Deviation | ±0.05 mm |
| Angle Error | <3 arc min |
| Surface Accuracy | λ/4@ 633nm or λ/10@633nm |
| (S/D) | 60/40 or 20/10 |
| Clear Aperture | 90% |
| Bevel | <0.2*45° |
| Coating | Customization |
Types of Silicon Windows:
Silicon windows are widely used in infrared (IR) optics due to their excellent transmission in the 1.2–7 µm wavelength range and high thermal conductivity. Key types of silicon windows gaining attention globally include:
- Optical-Grade Silicon Windows: Designed for IR imaging systems, spectroscopy, and thermal cameras, offering high clarity and low absorption.
- Coated Silicon Windows: Anti-reflective (AR) and durable coatings enhance performance and protect surfaces in harsh environments.
- High-Purity Silicon Windows: Used in precision applications like lasers and semiconductor equipment, providing low impurities and consistent performance.
- Lightweight Silicon Windows: Featuring reduced thickness for aerospace and portable devices without compromising strength or transmission.
Silicon windows are favored in industries like defense, medical devices, and scientific research, thanks to their combination of affordability, durability, and versatility in IR applications.
Bote provides silicon-based flat windows without coating or with anti-reflection coating, and provides double-sided anti-reflection IR1 (3-5μm) anti-reflection coating windows.
Silicon material has high thermal conductivity and low density. It has strong absorption at 9 micron wavelength and is not suitable for carbon dioxide laser transmission applications.
Bote can also provide special sizes and film system customization services. please feel free to contact us for technical support.