SWIR 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 […]
Key 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 […]
Key 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 […]
Case 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 […]
Key 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 […]
Discover the importance of asphere metrology and advanced techniques for measuring aspheric optics quality.
Biophotonic Sensors Biophotonic sensors and systems are optical devices that can provide point-of-care diagnostics for medical practitioners and health researchers. They enable researchers to detect, sense, identify, and understand biological systems at the cellular/sub-cellular level, giving them a new understanding of biological processes, conditions, and molecular changes. Biophotonics is a rapidly growing field, and optical […]
Enhance eye examinations with aspherical lenses in indirect ophthalmoscopes. Our double convex lenses correct aberrations for sharper images.
Mastering Imaging Essentials: A Guide to Field of View, Resolution, and More Understanding the fundamental concepts of imaging is essential for anyone involved in photography, microscopy, or any field that relies on optical instruments. These terms serve as the building blocks upon which more complex ideas are constructed. Field of view (FOV), working distance (WD), […]
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 […]
