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Buyer’s guide of Powell Lenses
The Powell lens resembles a round prism with a curved roof line. The lens is a laser line generator, stretching a narrow laser beam into a uniformly illuminated straight line. The Powell lens is a quantum leap forward in line generator performance over the simple cylinder lens. A cylinder lens produces a poorly illuminated line, one limited by the non-uniform, Gaussian laser beam. The Powell lens’ rounded roof is in fact a complex two-dimensional aspheric curve that generates a tremendous amount of spherical aberration that redistributes the light along the line; decreasing the light in the central area while increasing the light level at the line’s ends. The result is a very uniformly illuminated line used in all manner of machine vision applications; from bio-medical to automobile assembly. Fan Angle…
Infrared transparent glass (HWB)
Heat Wave Barrier (HWB) glass, also known as Hot Wave Blocker glass, is a specialized optical glass designed to efficiently transmit infrared (IR) wavelengths. Unlike ordinary glass or optical materials, HWB glass has high transmission rates in the near-infrared (NIR), mid-infrared (MIR), and even far-infrared (FIR) regions, while it may have low transmission rates or complete blockage in the visible and ultraviolet spectra. The characteristics of HWB glass make it widely applicable in various fields, including but not limited to: Infrared Optical Systems: HWB glass is used to manufacture lenses, windows, and filters for infrared imaging, thermal imaging, infrared spectroscopy, and infrared communication systems. Solar Energy Utilization: In solar collectors and photovoltaic systems, HWB glass helps capture and convert infrared energy from the sun. Thermal Management: In the building and…
New materials allow light sheet microscopes to see super-resolution
SAN DIEGO, June 4, 2021 — A hyperbolic metamaterial developed at the University of California, San Diego enables ordinary light-sheet microscopes to watch subcellular structures — in other words, enabling a standard microscope to ascertain in superresolution. the fabric, made from nanometers-thin alternating layers of silver and silica glass, shortens the wavelength of sunshine because the sample is illuminated, which allows the microscope to ascertain beyond the diffraction limit. In the application, the light-shrinking material converts low-resolution light to high-resolution light, said Zhaowei Liu, a professor of electrical and computer engineering at UC San Diego. “It’s very simple and straightforward to use. Just place a sample on the fabric, then put the entire thing under a traditional microscope — no fancy modification needed,” Liu said. The work overcomes a serious…
Aspherical Reflector
The VY Optics Aspheric Mirror Series represents the latest advancements in optical design. Utilizing cutting-edge manufacturing technologies and high-quality materials, our aspheric mirrors lead the industry in optical performance, precision, and reliability. These mirrors are designed for applications requiring high optical performance and minimal optical aberration, such as high-precision imaging systems, laser devices, and high-end scientific instruments. Key Features Precise Optical Design The aspheric design significantly reduces optical aberrations, enhancing image clarity and overall system performance. Compared to traditional spherical mirrors, our aspheric mirrors focus light more effectively and reduce optical distortions. High-Quality Materials We use high-purity optical glass or high-performance ceramics, ensuring the durability and excellent optical performance of the mirrors. All materials undergo rigorous quality testing to meet the most demanding application requirements. Precision Manufacturing Process Utilizing advanced…
Infrared Lenses: Working Principles, Applications, and Custom Solutions
Infrared (IR) lenses are critical components in modern optical and opto-mechanical systems. Designed to focus infrared light invisible to the human eye, they play a vital role in thermal imaging, industrial inspection, medical diagnostics, automotive safety, and scientific research. At VY Optoelectronics Co., Ltd., we specialize in designing, manufacturing, and integrating high-performance infrared lenses for global clients. How Infrared Lenses Work Infrared lenses differ from visible-light lenses in material and design. They are typically made from germanium, silicon, or chalcogenide glass to efficiently transmit IR radiation. Their working principle includes: Efficient Transmission: Optimized lens materials reduce absorption and reflection of infrared light. Precise Focusing: IR lenses focus infrared radiation onto detectors to generate clear thermal images. Anti-Reflection Coatings: Specialized coatings improve image quality and sensor sensitivity. Key Applications of Infrared…
Why choose to use achromatic lenses?
Anatomy of an Achromatic Lens A compound lens, also mentioned as an achromat, typically consists of two optical components cemented together, usually a positive low-index (crown) element and a negative high-index (flint) element. as compared to a single lens, or singlet for brief, which only consists of one piece of glass, the extra design freedom provided by employing a doublet design allows for further optimization of performance. Therefore, a compound lens will have noticeable advantages over a comparable diameter and focal distance singlet. A compound lens comes during a sort of configuration, most notably, positive, negative, triplet, and aspherized. it’s important to notice that it is often a doublet (two elements) or triplet (three elements); the number of elements isn’t associated with the number of rays that it corrects. In…