Archive for the ‘Technical Article’ Category

Replacing Spherical Lens with Aspheric Lens

       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 […]

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Understanding Concave and Convex Mirrors: A Simple Guide

Understanding 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 […]

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Live-Cell Imaging with Advanced Microscope Technology

     Key Takeaways Live-cell imaging is revolutionizing cellular biology, offering insights into cellular behavior, developmental stages, and drug impact. This method visualizes individual or collective cell movements, morphological changes, and gene/protein expression under a microscope, all while keeping the cells alive.  The significance of live-cell imaging  is in its capacity to provide direct, real-time […]

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Exploring Applications of Optical Polarization – Part 3

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. […]

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Understanding Optical Polarization – Part 2

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: […]

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What is Optical Polarization

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 […]

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 AR Coatings and BBAR Coatings

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 […]

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Understanding Focal Length

     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 […]

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Are Fresnel Lenses Efficient?

     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, […]

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Mastering the F-theta Scanning Lens – Part 2

Mastering 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 […]

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