Spherical Lenses

Description of the Components:

Spherical lenses are integral components in optical systems, characterized by their curved surfaces, which enable them to converge or diverge light. These lenses can be either convex (positive focal length) or concave (negative focal length), depending on the curvature of the surfaces. Convex lenses focus parallel rays of light to a point, making them essential in applications such as imaging and light concentration. Conversely, concave lenses spread out light rays, making them ideal for beam expansion and reduction. At Bote Optics, we specialize in the design and fabrication of high-quality spherical lenses with superior surface precision and material purity, ensuring optimal performance in various optical applications.

General Fabrication Specification:

  • Material Options: SiO2, CaF2, BaF2, ZnSe, ZnS, Ge, Si
  • Diameter Range: 0.5mm to 400mm
  • Focal Length Tolerance: ±0.5% of focal length
  • Surface Quality: Up to 10-5 scratch-dig per MIL-PRF-13830B
  • Surface Accuracy: λ/20 (PV) at 632.8nm
  • Centration: < 1 arc minute
  • Coating Options: Anti-reflective, High-Reflective, and customized coatings available
  • Clear Aperture: >90% of diameter

Fabrication Process and Quality Control:

The fabrication of spherical lenses at Bote Optics involves precise grinding and polishing processes to achieve the desired curvature and surface smoothness. Our advanced CNC machining tools, combined with skilled craftsmanship, allow for the production of lenses with exceptional precision. Each lens undergoes stringent quality checks, including interferometric testing for surface accuracy, spectrophotometric analysis for coating performance, and environmental testing to ensure durability under varying conditions. The entire process is ISO-certified, ensuring consistent quality and adherence to international standards.

Applications:

Spherical lenses are versatile components used in a wide range of optical applications. They are critical in imaging systems such as microscopes, telescopes, and cameras, where they focus light to form clear images. In laser systems, spherical lenses are used for beam focusing and collimation. They are also employed in optical communication systems, where they help in signal transmission and reception. Additionally, these lenses are vital in medical devices, instrumentation, and various scientific research applications.

Why Choose Bote Optics:

At Bote Optics, we pride ourselves on our ability to deliver precision-engineered spherical lenses that meet the highest standards of performance and reliability. With state-of-the-art fabrication facilities and a team of experienced optical engineers, we are capable of producing lenses that meet the exact specifications of our clients. Our commitment to quality is reflected in our rigorous testing protocols and our adherence to ISO standards. Whether you need lenses for high-power laser systems, advanced imaging equipment, or specialized scientific instruments, Bote Optics is your trusted partner for superior optical components.