Aspherical Lenses
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We primarily fabricate the high-precision off-axis parabolics, toroids, aspherics & spherical lens, domes, prisms, filters, and flat windows by using optical grade glasses, fused silica, sapphire, ZnSe, ZnS, Silicon, Ge, CaF2, Zerodur and Aluminum.

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High Precision Aspherical Lenses for Advanced Optical Systems

At Band-Optics Technology, we specialize in manufacturing high-precision aspherical lenses that deliver superior optical performance for a wide range of applications. Our aspherical lenses are精心 crafted using premium materials such as Schott, CDGM, Ohara, Hoya, Corning glasses, and specialized infrared materials like Sapphire, Germanium, Silicon, Zinc Selenide, and Zinc Sulphide. These lenses are designed to minimize aberrations and enhance image quality, making them ideal for demanding optical systems in industries such as laser technology, defense, aerospace, engineering, manufacturing, and biotechnology.

Core Features

  • Exceptional Aberration Correction: Our aspherical lenses effectively reduce spherical and chromatic aberrations, providing sharper images and improved optical performance compared to traditional spherical lenses.

  • High-Precision Manufacturing: Utilizing advanced manufacturing techniques, we achieve exceptional surface quality and precision, with surface figure tolerances of less than 0.2 fringes and roughness of less than 1nm.

  • Wide Material Selection: We offer a diverse range of materials to suit different wavelength ranges and application-specific requirements, ensuring optimal performance in various environments.

  • Customization Capabilities: We provide customized solutions to meet specific customer requirements, including specialized coatings, dimensional specifications, and optical designs tailored to your unique application needs.

  • Rigorous Quality Control: Our stringent quality assurance processes, including MTF and WFE testing, ensure consistent performance and reliability, meeting the highest industry standards.

Specifications Comparison


Parameter Standard Aspherical Lenses Customizable Options
Materials Schott, CDGM, Ohara, Hoya, Corning glasses; IR materials like Sapphire, Germanium, Si, ZnSe, ZnS Extensive range of optical and infrared materials
Diameter 2~550mm +/-0.05mm Custom sizes up to 550mm
Focal Length 3~10000mm Custom focal lengths available
Surface Figure <0.2 fringes Premium surface figure achievable
Surface Quality 20-10 or better Custom surface quality options
Roughness Rg<1nm Custom roughness specifications
Centering ETV<0.012mm Custom centering tolerances
Clear Aperture 85~100% Custom clear aperture percentages
Chamfer Less than 0.1mm Custom chamfer dimensions
Coating AR coated for UV/VIS/NIR (R<0.1%) Various coatings including HR, NPBS, BS, etc.

Applications

Our aspherical lenses find utility across multiple sectors:

  • Laser Technology: Integral to spectroscopy equipment, laser surgical devices, precision welding systems, and guidance mechanisms for optimal focusing and beam shaping.

  • Universities and Research: Used in nanoscience, astronomy, bioscience, and psychology research for high-resolution imaging and precise optical experiments.

  • Defense & Aerospace: Utilized in targeting systems, surveillance cameras, satellite-mounted optical instruments, and security equipment for superior imaging quality and reliability.

  • Engineering & Manufacturing: Vital for laser cutting machines, IR temperature sensors, process monitoring systems, and laser scanning equipment to ensure precision and efficiency.

  • Biotechnology: Employed in blood analysis equipment, fluorescence microscopes, cell sorting systems, and spectroscopy instruments for accurate biological assessments and medical diagnostics.

  • Robotics & Automation: Applied in car sensors, surveying equipment, machine vision systems, and renewable energy technologies for precise optical performance and reliable operation.

Selection Guide

Selecting the appropriate aspherical lens involves several key considerations:

  • Optical Performance Requirements: Determine the level of aberration correction and image quality needed for your specific application.

  • Material Choice: Based on the wavelength range of your application and environmental factors such as temperature and chemical exposure.

  • Dimensional Specifications: Match the physical dimensions to your system’s design and space constraints, including diameter, focal length, and thickness.

  • Coating Needs: Select coatings that enhance the lens performance in your specific application, such as anti-reflective coatings for increased light transmission.

  • Environmental Considerations: Assess factors like potential exposure to moisture, dust, and temperature extremes to ensure lens durability and longevity.

Trust and Credentials

Band-Optics Technology is a trusted name in the optical components industry, holding ISO 9001:2015 certification as a testament to our unwavering commitment to quality and customer satisfaction. With over 15 years of experience, we have established strong partnerships with clients across industries such as medical technology, defense, aerospace, and scientific research. Our state-of-the-art manufacturing facilities and rigorous quality control protocols ensure that each aspherical lens meets the highest standards of precision and reliability.

FAQ

  • Q: Can your aspherical lenses be customized for specific optical systems?

    • A: Absolutely. We specialize in custom aspherical lens solutions tailored to meet the exact specifications and requirements of your unique optical system. Whether it’s a specific material, size, coating, or optical design, we can accommodate your needs with our advanced manufacturing capabilities and expertise.

  • Q: What coatings are available for your aspherical lenses?

    • A: We offer a variety of coatings, including anti-reflective (AR), high-reflective (HR), non-polarizing beam splitters (NPBS), beam splitters (BS), longpass dichroic (LP), shortpass dichroic (SP), and more, to enhance the optical performance of our lenses in different applications and wavelength ranges.

  • Q: How do you ensure the quality and consistency of your aspherical lenses?

    • A: Our quality assurance process involves multiple stages of inspection and testing using advanced metrology equipment, such as interferometers and surface roughness testers. We adhere to strict manufacturing standards and continuously monitor our processes to ensure each lens meets our high-quality benchmarks for surface quality, dimensional accuracy, and optical performance.

  • Q: What industries commonly use your aspherical lenses?

    • A: Our aspherical lenses are widely used across numerous industries, including laser technology, defense & aerospace, engineering & manufacturing, biotechnology, robotics & automation, and scientific research. They play crucial roles in applications such as laser systems, surveillance equipment, medical diagnostic instruments, and environmental monitoring devices, where superior optical performance and precision are critical.


We have a highly skilled team that continues to design innovative new products as well as creating cost-effective solutions to meet specifications, timelines and budgets.
CONTACT INFO
Tel: +86-159-5177-5819
Address: Industrial Park, No. 52 Tianyuan East Ave. Nanjing City, 211100, China

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