Q: What are the different types of aspheric lenses? A: Aspheric lenses offer diverse options to suit specific needs and budgets. Precision Aspheric Achromatic Lenses provide diffraction-limited and color-corrected doublets for broadband applications. Laser-Grade Aspheres ensure exceptional performance with a transmitted wavefront of less than λ/10. Precision Polished Aspheres strike a balance between cost and […]
Q: What advantages do aspheric lenses offer over standard singlet lenses? A: Aspheric lenses simplify design, assembly, and minimize stray light. They eliminate spherical aberration, correct for off-axis aberrations, and can replace complex designs with simpler configurations. With three types available – precision glass molded for high-volume production, polished for prototypes or low volume, and […]
Q: What do aspheric condenser lenses refer to? A: Aspheric condenser lenses belong to a distinct category of optical lenses known as aspheres. They are well-suited for concentrating or directing incoming light rays in applications involving illumination and collimation. Unlike spherical lenses, which have a shape resembling a sphere intersected by a plane, aspheric lenses […]
Q: How can one inquire about custom aspheric lenses solutions and manufacturing services from Avantier? A: For inquiries about custom aspheric lenses solutions and manufacturing services, individuals can contact Avantier. The experienced optical designers at Avantier are readily available to discuss custom orders. Additionally, for those seeking stock options, Avantier provides a stock of aspheric […]
Q: Why are aspheric lenses considered more expensive to manufacture, and in which scenarios are they highly desirable? A: Aspheric lenses are more expensive to manufacture than spherical lenses due to their complex surface profiles. However, the benefits, including improved image quality, compactness, and lightweight design, make them highly desirable for high-performance optics and situations […]
Q: What are the manufacturing capabilities and specifications for Avantier’s aspheric lenses? A: Avantier’s manufacturing capabilities include diameters from 5 to 200mm, precise tolerances, asphere figure errors as small as 0.06μm, and various other specifications such as vertex radius, sag, and centering. These capabilities ensure high-quality and reliable custom aspheric lenses. Back to top page
Q: What applications do custom aspheric lenses have? A: Custom aspheric lenses find crucial applications in high-performance imaging, such as aerospace night vision optics, defense imaging, microscope imaging objectives, and semiconductor wafer inspection tools. They are essential in precision imaging devices, and examples include their use in the Smite Cassegrain telescope for reducing aberrations and […]
Q: How are the surfaces of aspheric lenses defined, and what are the manufacturing capabilities of Avantier? A: Aspheric lenses are defined by their surface profile, either by sag or orthogonal coefficients Qbfs and Qcon. Avantier employs state-of-the-art grinding and polishing equipment, including computer-controlled precision polishing devices and magneto-rheological finishing (MRF) technology, ensuring optimized surface […]
Q: What types of custom aspheric lenses does Avantier manufacture? A: Avantier, as an aspheric lens manufacturer, produces a diverse range of custom aspheric lenses solutions tailored for various applications. These applications span from smartphones to lasers, fiber optics, and extend to areas such as research, industry, and medicine. Back to top page
Q: What is an aspheric lens and how does it differ from spheric lenses? A: An aspheric lens is an optical lens with a non-spherical surface profile, meaning its surfaces are not portions of a sphere or cylinder. In contrast to spheric lenses, aspheric lenses lack a constant radius of curvature. They are designed to […]
