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Fresnel lens

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Kocanic

Overview

A Fresnel lens is an important optical element.

Applications

Projection display: Fresnel lenses have a wide range of applications in the field of projection display. Their best-proven application is in projection systems, where their function is to collimate and focus light. Fresnel lenses adjust the beam light emitted by the light source into parallel light, significantly improving the brightness around the display panel and eliminating the sunspot effect, thereby improving the overall display brightness uniformity. Fresnel lenses are usually used together with other display elements (such as cylindrical lenses).; Solar energy applications: Fresnel lenses also have important applications in the solar energy field. As one of the important optical components in concentrated photovoltaics (CPV), they can convert light from a relatively large area to a considerably smaller area, improving energy utilization efficiency. In the field of solar concentration, the function of Fresnel lenses is to focus light onto the solar chip. When the lens surface faces the sun perpendicularly, the light will be focused onto the solar cell, concentrating more energy, thus requiring a smaller solar cell area and greatly saving costs.; Scientific research systems: Fresnel lenses are also often used in scientific research systems, with the lens forming an angle of 45°±5° with the horizontal plane. If two light rays of the same wavelength pass through the lens in parallel, they can be focused onto a spot with a diameter of 2mm; it can also be used for visual system simulation and emulation.; Marine lighting: Fresnel lenses also have certain applications in the field of marine lighting.

Key Features

Small size, light weight, and compact structure: Because the material has excellent physical and chemical properties, Fresnel lenses have the advantages of small size, light weight, and compact structure.; Good light concentration and imaging performance: Fresnel lenses have good light concentration and imaging performance that is not inferior to other lenses, and therefore are widely used in various fields such as national defense, aviation, space, industrial production, and civilian use.; High energy concentration: Fresnel lenses can focus sunlight onto a receiving surface (high-performance solar cell) 1/10 to 1/1000 or even smaller than the incident surface, increasing power generation efficiency by more than 30% compared with traditional flat-panel photovoltaics (FPV), meeting the high-energy and high-temperature requirements of concentrated solar power (CPV) and thermophotovoltaic (TPV) systems.; High temperature resistance and chemical stability: The material has relatively high temperature resistance and chemical stability, enabling Fresnel lenses to work stably in high-temperature and chemical environments.; Convenient processing and manufacturing: The manufacturing process of Fresnel lenses is relatively mature and can meet the needs of large-scale production and application.; Wide application range: Fresnel lenses are widely used in fields such as projection display, solar energy applications, scientific research systems, and marine lighting.

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Supplier Information

Kocanic

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Kocanic Optics(ShenZhen)Co.,Ltd.is a manufacturing enterprise specializing in the development and production of various high-precision optical components. The company has a professional R &D team and skilled manufacturing team,focused on laser applications and market,UV-LED applications,and provide a variety of optical solutions for customers to choose from,is a full of vitality and enthusiasm of the team,looking forward to the optical road with everyone to achieve good results! • Flyeye lens can be widely used in projection,vehicle-mounted HUD,3D printing,photolithography lighting systems and other fields. • Micro lens can be widely used wavefront sensor,beam shaping,beam homogenization,fiber coupling and other fields. • Hemispherical and aspheric lens can be widely used in UV LED packaging, laser,exposure and semiconductor machinery and other industries. • High-power medical optical devices for sterilization at 200-300nm deep ultraviolet and 1000-1600nm infrared,such as clean water and laser cosmetology. • Provides one-stop high-quality services,optical analysis,optical design,optical proofing,technological innovation to meet the needs of different market groups,customers with special needs of customized products.

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Fresnel lens

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Fresnel lens

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Key Features

Datasheet

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