Key takeaways: The manufacture of precision aspheric optics depends on effective asphere metrology Asphere metrology is a complex field that requires advanced techniques and equipment. State-of-the-art metrology enables us to determine the surface quality of any asphere If you’re upgrading your optical system by replacing spherical lenses with aspheres, you want to know that those […]
Raman spectroscopy Advanced Raman filters can be used in Raman spectroscopy to provide real-time data on biological tissue. They have enormous potential in medicine, research, and biomedical engineering, and can be adapted to a wide variety of different applications. A basic Raman spectroscopy setup will give you just that: basic information. But what if you […]
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 […]
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 […]
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 […]
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 […]
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 […]
