new material
Silicon double-convex lens is a precision optical component designed for efficient light convergence, minimized spherical aberration, and superior infrared transmission. Manufactured from high-purity crystalline silicon, it offers exceptional optical clarity, strong resistance to environmental fluctuations, and reliable thermal stability. This lens is widely used in infrared imaging, laser optics, aerospace applications, and scientific instrumentation, ensuring optimal light manipulation and performance for advanced optical systems.
Product Overview
The silicon double-convex lens is an optical element made from high-purity silicon material, with two convex surfaces. It is commonly used as a substrate for mid-wave infrared (3-5μm) optical windows and optical filters. Silicon single-crystal material offers excellent optical properties, especially in the 1-7μm wavelength range and far-infrared range (30-300μm), where it outperforms many other infrared materials in light transmission. This lens is widely applied in laser systems, imaging systems, and various optical applications requiring light beam focusing and convergence.
Key Features
- Wide Transmission Range: Suitable for infrared wavelengths from 1-7μm and 30-300μm, offering excellent transmission performance.
- Superior Thermal Conductivity: With low density and good thermal conductivity, it is ideal for use in environments with significant temperature variations.
- Good Optical Performance: The lens surface can undergo fine polishing to enhance optical performance, reducing reflection and scattering losses.
- High Mechanical Strength: Silicon material has a high hardness, ensuring the stability and durability of the lens during use.
Applications
- Infrared Optical Systems: Used in 3-5μm mid-wave infrared optical windows, optical filters, etc., widely used in infrared imaging and spectral analysis.
- Laser Systems: Serves as laser mirrors and optical components, commonly used for laser transmission and focusing.
- Thermal Imaging and Optical Sensors: The silicon double-convex lens is a key component in thermal imaging systems and optical sensors.
- Optical Measurement & Experiments: Applied in scientific research and technical applications requiring high-precision light beam control.
- Optical Communication: Used in fiber optic communication, optical waveguides, and related fields to enhance light signal transmission efficiency.
| Optical Property | Value |
| Transmission Range | 1.2-15 μm |
| Refractive Index | 3.41776 @ 10μm |
| Reflection Loss | 46.1% @ 10μm |
| Structure | Single crystal, synthetic |
| Cleavage Planes | <111 |
| Physical Property | Value |
| Density | 2.33 g/cm³ |
| Melting Point | 1414 ℃ |
| Thermal Conductivity | 163 W/(m·K) @ 313K |
| Thermal Expansion | 2.6 × 10⁻⁶/K @ 293K |
| Knoop Hardness | 1100 kg/mm² |
| Specific Heat Capacity | 712.8 J/(kg·K) |
| Dielectric Constant | 13 @ f = 9.37 GHz |
| Young's Modulus | 130.91 GPa |
| Shear Modulus | 79.92 GPa |
| Bulk Modulus | 101.97 GPa |
| Poisson's Coefficient | 0.266 |
| Chemical Property | Value |
| Solubility | Insoluble |
| Molecular Weight | 28.09 g/mol |
| Property | Value |
| Diameter Range | 2-300mm |
| Focal Length | 15-5000mm |
| Thickness | 0.12-60mm |
| Surface Quality | 80-50, 60-40, 40-20, 20-10, 10-5 |
| Surface Flatness | λ/2, λ/4, λ/8, λ/10 |
| Clear Aperture | >90% |
| Coating | Customizable |
