Avantier Inc.
Key Takeaways: Overconfidence in idealized models can lead to disappointing real-world results in optical systems. While these models provide valuable insights, they assume perfect conditions that don’t exist in practice. Aberrations, distortions, and the diffraction limit are unavoidable factors that impact system performance. To ensure your designs meet real-world expectations, account for these deviations early […]
Key Takeaways Underwater imaging technology is vital for marine exploration and research. Conventional wide-angle lenses suffer from distortion and chromatic aberration underwater, degrading image quality. An underwater imaging correction lens, with additional lens groups, counteracts these issues, significantly improving image clarity and accuracy. This advancement enhances our capacity to observe and study the underwater world, […]
Cutting-Edge Space Optics and High-Performance Optical systems for Space Missions With extensive experience in high-precision opto-mechanical design, fabrication, and assembly, Avantier is a trusted partner in major space programs worldwide. Our solutions for space optical remote sensing payloads, including space camera and satellite-borne optical cameras, meet the stringent requirements of both space science and Earth […]
Key Takeaways The diffraction limit is the fundamental resolution limit of an optical system, dictated by the wave nature of light and diffraction. When light passes through an aperture, it forms an Airy disk—a central bright spot surrounded by rings. The smallest focusable point, or minimum spot size, is defined by this disk. Calculated as […]
Key Takeaways: Reflective optics, essential for fields like astronomy, life sciences, and industrial applications, utilize mirrors to direct wavefronts. Mirrors are either first surface, with coatings on the front, or second surface, with coatings on the back, affecting their use in precision optics. Reflective coatings can be metallic, dielectric, or hybrid, tailored for durability and […]
Geometric Optics vs. Wave Optics Often people working in optics and photonics confuse geometric optics with wave optics, but they aren’t the same thing! Geometric optics treats the propagation of light in terms of “rays”, where each ray travels in a straight line. But in wave optics, we consider the propagation of light in terms […]
Key Takeaways Powell lenses are known as laser line generating lenses, producing straight, uniform laser lines by expanding collimated beams in one dimension. Each lens’s apex showcases an acylindrical curve that evenly redistributes the optical power of a Ø0. A Powell lens transforms a Gaussian beam profile into a cross section with a significantly more […]
Introduction to Laser Beam Expander Lenses Laser beam expanding lens is a common laser device used in scientific experiments, laser ranging, laser printing, and other applications. The laser beam expanding lens can be realized in different forms, such as off-axis reflection, using a couple of prisms to expand the beam, and so on. The most […]
Key Takeaways: A Space Optical Remote Sensing Payload is the part of a spacecraft designed to generate valuable data and transmit it back to Earth. This includes various imaging devices like panchromatic and multispectral sensors, LIDAR, and active optical sensors. These optical payloads also use advanced optics, such as adaptive optical instruments and laser communication […]
Key Takeaways Powell lenses transform Gaussian beams into straight, uniform lines by fanning out collimated beams, eliminating central hot spots for even light distribution. This project focuses on custom-manufactured Powell lenses with specific fan angles and incident spot sizes, exemplified by a 30° fan angle lens designed for a 2.5mm input beam diameter and visible […]
