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The integration of image enhancement and night vision technology
Through the continual efforts of several generations of scientific researchers, the image enhancement equipment has brought the vision to the dark night. Image intensification, the idea of night-sight, may be a complex conversion of energy particles that happens within a tube. An image-intensifier system works by collecting photons through an objective lens, converting them to electrons via a photocathode, increasing the electricity with a microchannel plate (MCP), converting the electricity back to light employing a phosphor screen, and presenting the image for viewing through an eyepiece lens. A sophisticated miniaturized power supply is employed to supply the voltages between the weather of the tube that leaves energy conversion and amplification. All of the weather within the tube are closely spaced to avoid electron scatter. The main electron amplification occurs within…
Common Optical Lens Alignment Errors and How to Avoid Them
Introduction In optical lens manufacturing, alignment errors are one of the most common reasons why real-world imaging performance fails to meet design expectations. Even when high-quality optical components are used, improper alignment during assembly can significantly degrade image quality. For applications such as machine vision, infrared imaging, microscopy, and industrial inspection, controlling alignment errors is essential for achieving reliable and repeatable performance. This article outlines the most common optical lens alignment errors, explains how they affect image quality, and discusses practical methods to avoid them during manufacturing and assembly. What Is Optical Lens Alignment? Optical lens alignment refers to the accurate positioning of optical elements relative to the system’s mechanical and optical axes. Proper alignment ensures that: All lens elements share a common optical axis Axial spacing matches the optical…
Quartz Glass Dome Port
VY Optics proudly presents our Quartz Glass Hemispherical Domes. Made from high-purity quartz glass, these high-performance domes boast exceptional physical and chemical properties, suitable for a wide range of demanding applications. Key Features: Exceptional High-Temperature Resistance: Our quartz glass hemispherical domes maintain stability and performance even in extreme temperatures, without deformation or breakage. Ideal for high-temperature environments, these domes offer durable protection. Low Thermal Expansion Coefficient: The low thermal expansion of quartz glass ensures dimensional stability during temperature fluctuations. This characteristic makes the hemispherical domes excel in high-precision applications, preventing deformation due to temperature changes. Superior Light Transmission: The domes feature high light transmission across a broad spectral range, especially in the ultraviolet region. Their excellent optical performance ensures clear and accurate results in optical instruments. High Chemical Stability: Quartz…
Gradient Index Lens
1.1 SelfFocusing Lens A selffocusing lens is an optical element with focusing and imaging capabilities. Its refractive index gradually changes along the radial direction, which allows it to be widely used in various microoptical systems. 1.2 Characteristics of SelfFocusing Lenses Selffocusing lenses achieve continuous refraction of light within the lens by having a refractive index that decreases gradually along the radial direction. This characteristic sets them apart from traditional lenses, which rely on the curvature of the lens surface to converge light rays. 1.3 Light Propagation in Different Pitch SelfFocusing Lenses 1.4 Key Parameters of SelfFocusing Lenses Pitch (P): The length of one full sine wave cycle of a light beam traveling along a sine path. Lens Length (Z): The distance between the central axes of both ends of the…
How to make a rainbow out of a prism?
What is a rainbow prism? A prism is transparent and has flat, polished surfaces, which use to cause light to refract. A dispersive prism disperses light into the visible spectrum or spectral colors, which are the colors of the rainbow. People usually called such prism as rainbow prism. How do rainbow prisms work? The refractive index of many materials (such as glass) varies with the wavelength or color of the light used, a phenomenon known as dispersion. This causes light of different colors to be refracted differently and to leave the prism at different angles, creating an effect similar to a rainbow.VY produce and supply triangular prism , rainbow prism suncatcher and other glass prisms could reach a beautiful rainbow for you. How can you form rainbows using VY’s prism? Sunlight or white light is…
VY will attend Fair — Laser World of Photonics 2023
VY is going to attend exhibition in Munich of Germany — Laser World of Photonics 2023. It is the leading trade fair for the photonics industry, many manufacturer and supplier of optical lenses and photonics industry will participate the trade fair, it’s a good opportunity to meet our regular customers, to know the latest industry trends, and to learn more professional information. The date of the caton fair is June 27th to June 30th. Our booth number is Hall B1, 560/4. Warmly welcome you to visit us and look forward to having a communication with you face to face!