K9 glass double-concave lens is a precision optical component designed for controlled beam expansion, reduced spherical aberration, and superior optical clarity. Manufactured from high-purity borosilicate K9 glass, it offers outstanding durability, minimal optical distortion, and excellent transmission across visible and near-infrared wavelengths. This versatile 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 Double-Concave Lens is an optical component made from high-quality K9 glass, featuring two concave surfaces with equal curvature. It is designed to diverge light and alter the focusing characteristics of a light beam. This lens is widely used in high-precision optical systems to achieve clear images and precise light control. It is ideal for applications in devices such as microscopes, telescopes, and other precision optical equipment. With its negative focal length, the K9 Glass Double-Concave Lens is capable of diverging parallel incident light, allowing for adjustments to image size or beam direction.
Key Features
- High Optical Transparency: K9 glass offers excellent transparency, ensuring clear images, making it suitable for precision optical systems.
- Low Dispersion Rate: The lens effectively minimizes chromatic aberrations, enhancing image quality and clarity.
- High Mechanical Strength: K9 glass is known for its excellent mechanical properties, ensuring durability over extended use.
- Stability: The lens maintains stable optical performance under a wide range of environmental conditions.
- Precision Manufacturing: Precision optical processing guarantees smooth surfaces and dimensional accuracy.
Applications
- Microscopes: Used in microscopes to assist with focusing and optimize image quality.
- Telescopes: Used in telescopes to correct beam paths and deliver clear long-distance imaging.
- Optical Instruments: Commonly used in various optical instruments to enhance system performance and image accuracy.
- Optical Testing and Imaging: Used in precision optical testing systems and imaging devices to improve image quality and clarity.
- Scientific Research: Provides stable optical support for high-precision experiments, particularly in optical research fields.
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 |
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