new material
K9 glass plano-concave lens is a high-quality optical component designed for controlled beam divergence, excellent light refraction, and superior optical clarity. Manufactured from high-purity borosilicate K9 glass, it provides outstanding durability, minimal optical distortion, and high transmission rates across visible and near-infrared wavelengths. This precision lens is widely used in laser systems, optical instruments, imaging applications, and scientific research, ensuring optimal light manipulation and performance for advanced optical systems.
Product Overview
The K9 glass plano-concave lens is made from high-quality K9 optical glass and is designed to enhance the convergence ability of light beams. With its plano-concave surface structure, this lens can effectively focus parallel incident light to a single point, making it commonly used in laser systems and optical instruments to improve beam focusing. K9 glass, known for its excellent transparency, low refractive index, and good thermal stability, makes this lens an ideal choice for high-performance optical applications.
Key Features
- High Transparency: K9 glass provides excellent light transmission, ensuring efficient light passage with minimal loss.
- Low Refractive Index: The low refractive index minimizes refraction and chromatic aberrations during light transmission, improving image quality.
- Low Dispersion: The low dispersion property reduces color deviation and enhances imaging accuracy.
- Thermal Stability: K9 glass has strong thermal stability, making it suitable for applications with fluctuating temperatures, preventing deformation or breakage due to thermal stress.
- Precision Manufacturing: The lens is manufactured with precision cutting, grinding, and polishing techniques, ensuring high surface quality and dimensional accuracy.
- Coating Treatment: To enhance transmission and anti-reflective performance, the lens is often coated with anti-reflective coatings.
Applications
- Laser Systems: In laser systems, K9 glass plano-concave lenses are used for beam collimation, focusing, and expansion, enhancing beam focusing accuracy.
- Optical Instruments: Widely used in optical instruments such as microscopes and telescopes to improve imaging quality and overall optical system performance.
- Optical Communications: In fiber optic communication systems, K9 glass plano-concave lenses can be used to adjust beam transmission direction and focus, improving light transmission efficiency.
- Laser Electro-Optical Applications: Used in laser electro-optical systems for beam focusing, expansion, or adjustment, optimizing system performance.
- Optical Testing Equipment: The lens is commonly used in optical testing devices to improve the stability and measurement precision of optical systems.
| Optical Property | Value |
| Transmission Range | 0.35-2 μm |
| Refractive Index | 1.5168 @ 587.5618 nm |
| Reflection Loss | 8.1% @ 587.5618 nm (both surfaces) |
| Physical Property | Value |
| Density | 2.51 g/cm³ |
| Melting Point | 559 ℃ |
| Thermal Conductivity | 1.114 W/(m·℃) |
| Thermal Expansion | 7.1×10⁻⁶ ℃⁻¹ |
| Specific Heat Capacity | 0.858×10³ J/(kg·℃) |
| Young's Modulus | 82 GPa |
| Bulk Modulus | 34 GPa |
| Poisson's Coefficient | 0.206 |
| Chemical Property | Value |
| Solubility | None |
| 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 |
