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New Energy

  • Category:In terms of new energy
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  • Release time:2023-10-21 18:43:32
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An optical lens is an optical element used to control the propagation and focusing of light. They change the direction and focal length of light propagation by refracting and scattering light. Optical lenses are widely used in various optical devices, including camera lenses, microscopes, telescopes, projectors, lasers, etc.

According to shape and curvature, optical lenses can be divided into the following types:

1. Convex lens (positive lens): The center of the convex lens is relatively thin, and both sides gradually thicken. The convex lens will cause parallel light rays to bend towards the center of the lens and focus the light rays. Convex lenses are commonly used to magnify images and correct myopia.

2. Concave lens (negative lens): The center of the concave lens is thicker, and both sides gradually become thinner. The concave lens disperses parallel light outward, resulting in defocusing effect. Concave lenses are commonly used for defocusing light and correcting hyperopia.

3. Double convex lens: A double convex lens consists of two convex lens surfaces, with thinner sides and thicker centers. Double convex lenses can focus light and are commonly used in imaging optical systems.

4. Double concave lens: A double concave lens consists of two concave lens surfaces, with thicker sides and thinner center. A biconcave lens disperses light and is commonly used in specific optical effects and devices.

In addition, depending on the application requirements, optical lenses may have different characteristics, such as anti reflective coatings, aspheric curvature, multi element lens combinations, etc. These characteristics can improve the performance of optical lenses, improve imaging quality and transmittance.

The selection of optical lenses depends on specific application scenarios and requirements. When selecting an optical lens, factors such as focal length, lens diameter, optical material, and lens shape need to be considered.


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