What is a SelfFocusing Imaging Lens?
A selffocusing imaging lens is a revolutionary optical component whose refractive index gradually changes along the radial direction, enabling efficient light focusing and imaging. Compared to traditional imaging lenses, selffocusing lenses offer high resolution, compact size, easytocontrol focal lengths, and convenient installation. Their unique design makes them widely applicable in various microoptical systems.
Features of SelfFocusing Imaging Lenses
2.1 High Resolution
Selffocusing imaging lenses use a gradient refractive index distribution, causing continuous refraction of light within the lens, which reduces aberrations and enhances image quality and resolution. This makes selffocusing lenses particularly effective in precision optical instruments and highprecision imaging devices.
2.2 Compact Size
Traditional lenses require a large curvature radius and thickness to achieve focusing, while selffocusing lenses can achieve the same or even better focusing effects within a smaller volume due to their gradient refractive index design. This makes selffocusing lenses ideal for microoptical systems with limited space.
2.3 Easily Controlled Focal Length
By adjusting the pitch and refractive index distribution constant of the selffocusing lens, its focal length range can be flexibly controlled. This flexibility allows selffocusing lenses to perform excellently in different applications, meeting various imaging needs.
2.4 Easy Installation
Selffocusing lenses have a cylindrical shape, and their end faces can be angletreated and coated to reduce light reflection loss and enhance lens performance. The simple structural design makes installation and alignment more convenient, especially for optical systems requiring quick deployment and adjustment.
Applications of SelfFocusing Imaging Lenses
3.1 Microscopic Imaging
In microscope systems, selffocusing lenses can be used as objective and relay lenses, providing highresolution and low chromatic aberration imaging, suitable for detailed observation in biomedical research and materials science.
3.2 Medical Endoscopy
The compact size and high imaging quality of selffocusing lenses make them highly suitable for medical endoscopy, providing clear images of internal structures, aiding doctors in diagnosis and surgical procedures.
3.3 Industrial Inspection
In the industrial field, selffocusing lenses can be used in inspection equipment, offering highprecision imaging to help identify tiny defects and inconsistencies, thus improving product quality control.
3.4 Optical Fiber Communication
Selffocusing lenses are widely used in optical fiber communication, such as in fiber couplers, collimators, and optical isolators, to efficiently transmit and process optical signals.
Performance of SelfFocusing Imaging Lenses
4.1 Performance Indicators
VY Optics’ selffocusing lenses undergo strict quality control to ensure each lens has excellent optical performance and mechanical stability. Key performance indicators include high resolution, low chromatic aberration, and high transmission efficiency.
4.2 Surface Quality
Under a 20x magnifying glass, the lens surface should be free of obvious defects to ensure image quality is not affected by surface blemishes.
4.3 Standard Lens Parameters
Numerical Aperture (N.A.): 0.46, 0.60
Diameter: 1.0mm, 1.8mm, 3.0mm
Pitch (P): 0.23, 0.25, 0.29, etc.
Wavelength: 630nm, 780nm, 830nm, 1060nm, 1310nm, 1550nm, 980/1550nm, 1250~1650nm
4.4 Coating
The end faces of the lenses can be coated with antireflective coatings to reduce light energy loss, protect the lens surface, and prevent moisture, chemical reactions, and physical damage.
Contact Us
For more information about VY Optics’ selffocusing imaging lenses or to place an order, please contact our sales team. We will provide you with professional technical support and highquality product services to help your optical systems achieve optimal performance.
