An optical lens is a transparent device made of glass or other transparent materials with the purpose of focusing or diverging light. Lenses play a crucial role in optics and are widely used in variou...
What do telescope optics evaluation and design refer to?Telescope optical evaluation refers to the process of evaluating the optical characteristics of a telescope. This process can be accomplished by...
The knowledge points of optical interference coatings are mainly:Optical properties of optical interference coatingsOptical interference coatings, composed of multiple layers of dielectric materials, ...
What is optical coating technology?Optical coating technology is a process used to form a thin layer of coating on the surface of optical components such as lenses, mirrors, and windows. This layer of...
What are automated optical inspection systems?An automated optical inspection systems is a new technology that can automatically detect the optical characteristics of objects. This technology can effe...
What is anti-reflection coating?Anti-reflection coating is a special optical coating that effectively reduces light reflection, thus improving the efficiency of optical products. It is made of a non-m...
What is Infrared Optics System?Infrared optics system refers to a system that works with infrared waves in light, which means it receives or emits the infrared light waves. Generally speaking, infrare...
Wavelength range of infrared optics systemInfrared optics system often has a wide range of working wavelengths. At present, there are not many varieties of infrared transmission materials available fo...
Infrared, shortened as IR, is a type of electromagnetic wave that can achieve wireless data transmission.Infrared spectroscopy is the selective absorption of certain wavelengths of IR by molecules, ca...
Due to the difference in refractive index between infrared and visible light, refraction occurs after passing through the lens, causing dispersion. The dispersed infrared and visible light come into f...
IR lenses use special optical glass material and the latest optical design methods to eliminate focal plane deviation between visible light and infrared light. Therefore, light from the visible light ...
The optical system of IR lensOptical compensation zoom systemAn optical compensation zoom system refers to several groups of lenses used in the zoom lens to perform magnification and compensation. The...
There are two meanings of "lens" in film and television. One refers to the optical component made up of multiple lenses used to generate images for film cameras and projectors. Different typ...
Market trend of civil IR lensesWith wide-ranging applications and huge potential for future development, the global demand for civil infrared optical lenses is rapidly increasing. With the continuous ...
When developing a new type of infrared thermal imager, engineers and their managers must consider factors such as application conditions, operating bands, minimum resolution, pixel size, environmental...
Infrared Optics Non-thermalization TechnologyThe basic principle of optical non-thermalization technology is to use the temperature characteristics of different optical materials, such as linear expan...
Basic concepts of spherical mirrorsVertex: The center point O of the mirror is called the vertex of the mirror.Center: The center of the sphere C is called the center of the mirror.Principal axis: The...
The scattering properties of the surface of optical components are the root cause of the damage caused by defects. When the light beam is irradiated on the surface of the flawed optical element, becau...
The detection of the surface shape error and surface roughness of optical components is the key point in the research field of optical detection technology. Since the surface quality of optical compon...
Diffractive optical elements (DOEs) use microstructure design to change the phase of the light they propagate. By designing the microstructure on the surface of optical diffraction elements, specific ...
Introduction to Diffractive Optical ElementsDiffractive optical elements (DOE) have recently emerged as a booming new type of optical element. The DOE usually adopts micro-nano etching technology to f...
Ⅰ. What are the characteristics of sapphire windows?Optical windows are used as viewports to protect optical components, instruments or other components in lasers, in some applications optical window...
The anti-interference capability of the infrared optics system itselfIn most cases, infrared detection targets are low-contrast and weak compared to visible light; the residual reflectance of the infr...
At present, the defect detection methods at home and abroad can be roughly divided into imaging methods and energy methods, among which visual method, grazing method, filter imaging method, etc. all b...
With the continuous development of the optical industry, prisms have different uses in different fields, and their applications are becoming more and more extensive, and the shapes of optical prisms a...
1. What is a right angle prism?Right angle prisms are usually used to turn the light path or deflect the image formed by the optical system by 90°. Depending on the azimuth angle of the prism, images...
Ⅰ. Overview of quartz windowsThe formation of quartz windows is caused by the high viscosity of its melt at high temperature. It is used to make semiconductors, electric light sources, semiconductor ...
Due to its special material, the window sheet has the advantages of infrared penetration, electrical insulation, corrosion resistance, and intrinsic safety. It is especially suitable for installation ...
1. What is an optical window?Optical window is one of the basic optical components in optics, and it is an optical flat plate that protects electronic components/sensors/semiconductor components in th...
The sphere optical element of the motorized zoom lens has a constant curvature from the center to the edge of the element, and the surface is spherical; the asphere optical element has a continuous ch...
With the rapid development of modern industry, precision optical components are widely used in various industrial fields. As a carrier for realizing optical functions, optical components play a vital ...
1. Types and applications of optical prismsOptical Prism: A piece of glass or other transparent material cut at precise angles and planes in optics that can be used to analyze and reflect light, and o...
Ⅰ. What are the applications of cylindrical lenses?Cylindrical lenses are aspherical lenses, which can effectively reduce spherical aberration and chromatic aberration. Cylindrical lenses are divided...
Ⅰ. What is a cylindrical lens?Cylindrical lenses are generally used to focus incident light onto a line or to change the aspect ratio of an image, usually in a line image, to control the direction of...
Ⅰ. Optical lens focusing and apertureDepth of field: The range of moderately sharp focus around the subject is critical to the appearance of the final image, in order to take full advantage of all th...
1. Why do optical lenses need to be mildew-proof and moisture-proof?In modern society, technical equipment such as imaging, laser, infrared, etc. have been widely used. These equipments all need to us...
Telecentric lens is a high-end optical lens designed to correct the parallax of traditional lenses. Compared with ordinary lenses, it has absolute advantages in magnification, distortion, parallax, an...
Ⅰ. The difference between telecentric lens and ordinary lensThere are ordinary lenses and telecentric lenses in machine vision applications. The difference between the two is that telecentric lenses ...
1. The introduction of aspheric lensThe spherical lens has a fixed curvature from the center to the edge, while the aspherical lens continuously changes from the center to the edge. In order to ensure...
1. What is an aspherical lens?The most commonly used spherical lens in optical systems refers to the spherical surface of the lens that is rotationally symmetric, that is, has a constant curvature fro...
Ⅰ. Why should a double telecentric lens be used in the detection of optical fiber communication conductors?As visual inspection becomes more and more intelligent, the machine replaces the traditional...
Silicon window and germanium window are the most commonly used infrared (IR) windows, the best working wavelength of silicon window is 3-5um, the best working wavelength of germanium window is 2-14um,...
Some optical industry workers may be wondering what is the difference between narrowband filters and bandpass filters? Let's discuss it today.1. Band pass filter opticsBand pass filter optics allo...
Although there are many types of filters, they all have the same basic function - transmitting light in a specific wavelength or range of colors, while preventing the remaining wavelengths from passin...
Ⅰ. The influence of the direction of the optical filter on the wavelengthThe edge of the optical filter is engraved with arrows to indicate the recommended direction of the light transmission filter....
Ⅰ. What are band pass filter optics?Band pass filter optics are designed to transmit the desired wavelength range and cut off the unwanted wavelength range. Their design is essentially a thin film fo...
Ⅰ. What is an achromatic lens?With the continuous development of science and technology, the optical industry is also booming, and optical lenses are used more and more widely. Today, let's learn...
Ⅰ. Why do people use an achromatic lens?1. Not only can achromatic aberration be eliminated, but also spherical aberration can be eliminated by appropriately changing the curvature radius of each sur...
Optical lenses are made according to the law of light refraction. A lens is an optical element made of transparent materials (such as glass, crystal, etc.). The lens is a refracting lens, and its refr...
At present, mirrors, prisms, lenses, windows, filters, gratings, and other optical components are used in laser processing, life sciences, machine vision, optical communications, laser beauty.
Optical lenses are made according to the law of light refraction. A lens is an optical element made of transparent materials (such as glass, crystal, etc.). The lens is a refracting lens.
Optical components refer to the main components in optical systems that use optical principles for various observations, measurements, analysis records, information processing.
What is a spherical lens? What is an aspheric lens? What is the difference between the two? The spherical lens has a spherical surface, and the radius of curvature of the entire lens is the same.
The band-pass filter is abbreviated as band-pass glass, which is a kind of glass with relatively narrow bandwidth and the obvious cut-off for short waves and longwave.
An optical lens is a transparent device made of glass or other transparent materials with the purpose of focusing or diverging light. Lenses play a crucial role in optics and are widely used in variou...
What do telescope optics evaluation and design refer to?Telescope optical evaluation refers to the process of evaluating the optical characteristics of a telescope. This process can be accomplished by...
The knowledge points of optical interference coatings are mainly:Optical properties of optical interference coatingsOptical interference coatings, composed of multiple layers of dielectric materials, ...
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