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  • An Introduction to Optical Metrology
    Article - 29 Oct 2024
    In precision engineering, optical metrology is essential for non-contact measurement, employing light-based methods for accurate analysis across industries like electronics, manufacturing, and...
  • Cladding Modes - Definition and Applications
    Article - 15 May 2014
    Cladding modes are the regions or modes in optical fibers that are not restricted to the region around the core of the fiber. More specifically, cladding modes are regions in which the intensity of...
  • Digital Holography for 3D Display and Sensing
    Article - 7 Dec 2023
    Digital holography is an interferometric imaging technique that uses light waves to image multi-dimensional information such as three-dimensional (3D) structures, quantitative phases, and dynamics....
  • Next-Generation LiDAR for Massively-Parallel 3D Rangefinding
    Article - 15 Jun 2020
    New research demonstrates how a solid-state microresonator can be used to generate complex frequency-modulated laser beams at multiple wavelengths that permit parallel distance and velocity...
  • How Does Thermal Imaging Work?
    Article - 23 Apr 2025
    Explore how thermal imaging works, including the physics behind infrared detection, types of cameras used, and key factors affecting measurement accuracy. A guide for engineers, inspectors, and...
  • Hyperspectral Cameras: Advancing Precision Imaging
    Article - 8 Jul 2024
    Hyperspectral cameras, capturing hundreds of spectral bands, revolutionize material analysis by leveraging their unique spectral signatures. Recent advancements have enhanced their efficiency and...
  • Understanding Chief Ray Angle (CRA): Key Concepts and its Impact on Optical Design
    Article - 11 Jun 2024
    This article explains the Chief Ray Angle (CRA), its importance in aligning with the image sensor's pixel acceptance angle and how micro-lens shifting in CMOS sensors affects CRA, emphasizing its...
  • Delivery Robots: A Deep Dive into Optical Innovations and Key Technologies
    Article - 24 Jun 2024
    This article explores the rise of courier robots addressing labor shortages and delivery demands, highlighting the critical role of optics in enabling autonomous operations and precision in tasks,...
  • Photonics Innovations in the Last 25 Years
    Article - 3 Feb 2022
    Photonics is a field that has seen incredibly rapid developments in the last 25 years. Modern photonics is said to have begun in the 1960s with the development of the first lasers and has the...
  • How LEDs Could Detect Off-Food in your Fridge and Make Emergency Response Safer
    Article - 12 Oct 2021
    Recent collaborative work has found a way to develop infrared LEDs that are tunable to different wavelengths, opening the door to several application opportunities such as important gas sensing in...

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