AR Coatings and BBAR Coatings Introduction The world of optics is intricately entwined with the management of light, and among the crucial innovations is the Anti-Reflection (AR) coating. Fresnel reflection, responsible for a 4% light loss at each interface between air and an uncoated glass substrate, underscores the need for such coatings. These reflections, if […]
Read moreKey Takeaways Focal length determines lens behavior, impacting field of view and perspective. It is crucial in photography and optics to understand focal length. Focal Length Characteristics: Longer focal lengths focus light, while shorter ones, like in wide-angle lenses, capture broader scenes. Lens Types: Fixed focal length lenses (primes) offer specific lengths for […]
Read moreCase Study:High NA Objective Lens Avantier’s Innovative Approach to Custom High NA Objective for Microscope Manufacturer Avantier, a custom optic company, addressed a microscope manufacturer’s challenge by developing a custom high NA long working distance objective. Their innovative approach included the use of a Fused Silica chamber filled with liquid instead of a traditional block […]
Read moreKey Takeaways Fresnel Lens Basics: Thin and lightweight lenses with concentric grooves in plastic or glass, named after physicist Augustin Jean Fresnel. Applications: Used in various applications, including computer-controlled systems, traffic lights, and scenarios requiring manipulation of light beams. Design Advantage: Divided into concentric annular sections for large apertures with short focal lengths, […]
Read moreKey Takeaways A scientific institute faced distortion and chromatic aberration issues in high-performance lenses, affecting image quality and accuracy for scientific observation. Avantier crafted a fisheye lens with controlled F-θ distortion (<2%) and chromatic aberration (<0.04mm). The lens ensured accurate target acquisition and maintained high image quality, eliminating the need for distortion correction. […]
Read moreKey Takeaways This article discusses an innovative F-theta lens design that incorporates a compensating element in front of the image to expand the field of view. The central focus of the project involves enhancing performance for low-energy laser applications through the utilization of a quartz design that capitalizes on the distinctive characteristics of […]
Read moreMastering the F-theta Scanning Lens – Part 2 Field Characteristics of F-theta Scanning Lenses: In the realm of F-theta scanning lenses, the scanning angle dictates their field of view crucial for laser operations, with a prevalent trend towards larger angles to accommodate expansive working surfaces. This evolution, however, amplifies demands on optical systems, emphasizing the […]
Read moreUnveiling the F-theta Scanning Lens – Part 1 Exploring Laser Technology and Design Nuances Discover the Essence of F-theta Scanning Lenses in Laser Technology The F-theta scanning lens is a vital element in engraving, cutting, and marking systems. Embark on a journey into the core of laser technology with this comprehensive guide. This lens seamlessly […]
Read moreKey Takeaways The compact Small Objective Lens transforms medical imaging with sterile, high-definition precision for diagnostics and interventions. Its small size navigates intricate anatomical structures, aiding comprehensive examinations in endoscopes or microscopes. Designed for sterility, it enhances patient safety in invasive procedures, reducing the risk of complications. Delivering unparalleled detail, the lens is […]
Read moreKey Takeaways Small Objective Lens is crucial for magnifying minuscule structures with optical precision. Its small size and lightweight design make it easily transportable for diverse scientific observations. Equipped with interchangeable lenses, it offers flexibility for varying magnification levels. Widely used in biology, materials science, and medicine, it propels continuous advancements in […]
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