معرفی محصول Aspheric lens
Aspheric lens (including UV fused silica cone, optical collimating lens, aspheric lens)
The aspheric lens adopts a single element design, which helps to reduce the number of lenses in a multi-lens optical assembly. In other words, unlike a conventional lens with a spherical shape, an aspheric lens has a more complicated surface that continuously changes from the center of the lens to the curvature l of the lens edge. The reduction in the total number of components not only helps reduce the size or weight of the system, but also simplifies the assembly process.
： Product Advantage
The most significant advantage is that it can correct the spherical aberration caused by the spherical lens in the collimation and focusing system. By adjusting the surface constant and the aspheric coefficient, the aspheric lens can eliminate the spherical aberration to the greatest extent. Aspheric lens (light converges to the same point to provide optical quality), basically eliminating the spherical aberration (light converges to different points, resulting in blurred imaging).
The aspheric lens can image in the range of ۰.۸-۱۲um, and is not disturbed by weather changes and light conditions. The image is stable, the image quality is clear, and the aberration is small.
Mainly used in night imaging, instrument flaw detection, infrared thermal imaging camera, infrared temperature measurement, infrared distance measurement and other fields,
: Specific typical terminal applications
Collimating lens of laser beam profiler
Optical communication network system
CD pickup lens
： Technical Parameters
Material: BK۷, quartz, fused silica, zinc selenide ZnSe, zinc sulfide ZnS, germanium Ge, silicon Si, calcium fluoride GaF۲, magnesium fluoride MgF۲, sapphire Al۲O۳, optical glass, etc.
Design wavelength: ۶۳۵nm, ۵۲۰nm, ۷۸۶nm, ۵۳۰nm, ۸۰۰nm, ۶۵۵nm (can be customized according to user requirements)
Focal length: ±۵mm~±۱۰۰۰mm±۲%
Thickness tolerance: ±۰.۲mm
Surface accuracy: ۳F(۱f)
Eccentricity: <۵ arc min
Coating: AR Coatin or custom design (coating according to user requirements)
Quartz glass (including: transparent quartz glass, opaque quartz glass, polished quartz glass, ultra-thin quartz glass, high temperature resistant quartz glass, pressure resistance, acid and alkali resistance, corrosion resistance, optical quartz glass (JGS۱, JGS۲, JGS۳)).
： Product Description
Quartz glass has its unique optical properties. It can not only transmit the far ultraviolet spectrum, which is the best of all ultraviolet transparent materials, but also transmit visible light and near-infrared spectrum. Users can choose the desired variety from the range of ۱۸۵-۳۵۰۰mμ according to their needs. Because quartz glass is resistant to high temperatures, has a very small thermal expansion coefficient, good chemical thermal stability, bubbles, streaks, uniformity, and birefringence are comparable to ordinary optical glass, it is an optical system with high stability for working in various harsh environments The essential optical materials.
Classified according to process method, use and appearance, such as transparent quartz glass, opaque quartz glass, polished quartz glass, ultra-thin quartz glass, high temperature resistant quartz glass, pressure resistance, acid and alkali resistance, corrosion resistance, optical quartz Pieces and so on.
： Product Features
Quartz glass has a hardness of up to seven on the Mohs scale, has high temperature resistance, low expansion coefficient, thermal shock resistance, chemical stability and good electrical insulation properties, and can transmit ultraviolet and infrared rays. And has higher mechanical properties than ordinary glass.
According to the chemical properties of quartz glass, it can be widely used in modern cutting-edge technology in space technology, atomic energy industry, national defense equipment, automation system, and semiconductor, metallurgy, chemical industry, electric light source, communications, light industry, building materials and other industries. One of the