Key Takeaways Aspheric lenses possess a variable radius of curvature, allowing for a gradual change in shape that corrects optical aberrations effectively. Aspheric lenses provide superior aberration control, enabling optical designers to use fewer elements, simplifying assembly and reducing system size and weight. Recent advancements in grinding and polishing techniques, particularly for […]
Read moreKey Takeaways Avantier manufactures a two-aspheric cemented lens by combining two aspheric lenses, which corrects aberrations and enhances optical performance. Specifically designed for innovative eyepieces in ophthalmic examinations, these lenses excel in minimizing distortions to improve image quality and clarity, making them suitable for various fields. The project focused on achieving high […]
Read moreUnderstanding Concave and Convex Mirrors: A Simple Guide Mirrors can either have a plane surface or a curved surface. These two surfaces correspond with two types of mirrors, respectively: a plane mirror or a spherical mirror. Plane mirrors have a flat reflective surface and reflect light without distorting the image. It follows the law of […]
Read moreExploring Applications of Optical Polarization – Part 3 Introduction Optical polarization is a phenomenon where light waves oscillate in a specific direction, leading to various applications across a wide range of fields. Understanding and controlling polarization has become a crucial aspect of modern technology, with applications that extend far beyond the realm of traditional optics. […]
Read moreUnderstanding Optical Polarization: Polarizers and Waveplates Explained – Part 2 Polarization is a fundamental property of light, crucial in optics and various applications. It involves the orientation of the electric field vector in a light wave as it propagates. Reflective Polarizers: Transmit desired polarization while reflecting others. Examples: Wire grid polarizers, Brewster’s angle-based polarizers. Applications: […]
Read moreWhat is Optical Polarization? Optical polarization, a crucial aspect of optics, involves intricate interactions between light and matter. While optical design typically focuses on wavelength and intensity, polarization’s subtle influence is widespread, impacting applications from stress analysis to LCD screens. Polarization’s omnipresence stems from its ability to modulate light-matter interactions. Linear, circular, and elliptical polarizations […]
Read moreKey Takeaways The article introduces large optical prisms, which are vital in scientific research, medical imaging, communication, and laser processing. A project employing these optical prisms for entertainment and research uses red, green, and blue lasers to enhance optical communication efficiency. In manufacturing large optical prisms, there are challenges such as: complex processes, […]
Read moreKey Takeaways Double-Convex Aspheric lens designed for diverse light, especially underwater. Tailored optical system for > 500mm wavelengths. Petite <3mm double-convex lenses crafted in N-BK7 or N-SF11. Achieved <10mm underwater focus, breaking norms. Precision engineering for <3mm diameter using CNC grinding, glass molding, diamond turning, MRF finishing, and injection molding. Tested underwater […]
Read moreAR 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 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 […]
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