Micro-Optics Can a lens be mounted on a surface smaller than the head of a pin, or the full power of complex optical devices be condensed into a package smaller than a fingernail? That’s what micro-optics are about. . Microlens Arrays A micro-optic is an optical component or array between a few micrometers and a […]
Read moreKey Takeaways: Optical domes with flanges offer near-zero wavefront error, ensuring exceptional optical clarity in camera systems. Common issues such as distortion, speckle, haziness, and reduced transmission can be addressed with high-quality flanged domes. Selecting the ideal glass dome involves considering application requirements, system performance limitations, manufacturing methods, and material durability. Ground and polished domes […]
Read moreKey Takeaways: The optical dome, a critical component in optical systems, features two dome-shaped surfaces that preserve optical performance while shielding cameras and sensors. Material choice, curvature, coatings, and environmental resilience are key considerations in its design. Avantier’s project involved optimizing and manufacturing three domes for high-pressure and temperature-differential environments. This project employed precise materials […]
Read moreLaser Metrology Laser metrology involves the use of lasers to take measurements and test equipment. A versatile set of techniques that enables quick, highly precise, contact-free measurements, laser metrology has an important place in process oversight and quality control. Fields that rely on laser metrology include: Medical device manufacturing Aerospace quality control Automotive engineering Semiconductor […]
Read moreProduct Highlights: A microscope magnifies objects, revealing details not visible to the naked eye. It can project the image to the eye or a camera for observation or recording. Avantier’s diverse lineup, featuring achromatic, semi-apochromatic, and apochromatic options, ensures superior imaging quality. With magnifications ranging from 1X to 100X and numerical apertures up to […]
Read moreKey Takeaways: Avantier designed a custom objective lens for a university department, meeting strict criteria for trapping and imaging single atoms. The lens features a large numerical aperture (NA) of 0.5, optimal for high-resolution imaging at 780 nm-1064 nm wavelengths. Its 15mm working distance accommodates two lasers without interference, which is crucial for achieving accurate […]
Read moreSWIR Imaging Short wave infrared light is radiation with wavelengths in the range of 0.9 – 1.7μm. This light can penetrate materials that are impenetrable to visible light, making it ideal for industrial processing and quality check applications as well as for machine vision applications, surveillance, security, and natural resource management. Water vapor, fog, and […]
Read moreKey takeaways: Aspherical lenses improve optical systems by reducing aberrations and enhancing quality, especially in infrared lens design using materials like chalcogenide glass and germanium. This case study for a wide field of view and long wavelength infrared lens that initially used spherical lenses found significant benefits by switching to aspherical design, expanding the field […]
Read moreCase Study: Aspherized Achromatic Lenses for Detecting the Human Retina Introduction Achromatic lenses are employed to reduce, or even eliminate, chromatic aberration, and their design also aids in minimizing spherical aberrations. These lenses are well-suited for various applications, including fluorescence microscopy, image relay, inspection, and spectroscopy. Typically created either by cementing two elements together or […]
Read moreKey Takeaways Choosing the correct machine vision lens is vital for optimal performance. Understanding fundamental parameters like working distance (WD), field of view (FOV), and resolution is essential. This ensures that the lens meets specific application requirements. Whether fixed or zoom, lenses must align with the chosen camera. Equations like 1/f = 1/do + 1/di […]
Read more