Exploring 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. […]
Understanding 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: […]
What 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 […]
Key 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, […]
Key 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 […]
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 […]
Key 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 […]
Case 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 […]
Key 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, […]
Key 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. […]
