Optical domes are lenses with two concentric spherical surfaces. Sometimes they are referred to as bent plane parallel plates. Consequently it is usual to define parallelism between two surfaces as the maximum thickness variation between the two surfaces.

A double concave lens/mirror has a negative focal length, thereby causing collimated incident light to diverge. The double concave lens/mirror has an equal radius of curvature on both sides of the lens. They are generally used to expand light or increase focal length in the existing system, such as beam expander and projection systems.

A flat convex conical lens can focus a laser beam into a laser ring, convert a parallel laser beam into a circular laser, and when combined with a spherical mirror, it will produce an angular focusing effect, making it very suitable for laser drilling.

Optical lens from the focal length can be divided into short focus lens, medium focus lens, telephoto lens; From the field of view size, there are wide Angle, standard, telephoto lens;

ZnSe lenses are precision optical components commonly used in thermal imaging, high power CO 2 laser systems and life sciences.

Rod Lenses are polished on the circumference and ground on both ends. Optical performance is similar to a cylinder lens. Collimated light passing through the diameter of the rod lens will be focused into a line. Optical glass and UV Fused Silica substrates are available for a variety of UV, Visible, and NIR applications.

Micro lenses, It can involve a variety of materials in the ultraviolet, visible, and infrared wavebands. Such microlenses are the core components of multiple optical systems and are widely used in medical instruments, optical fiber transmission equipment, micro imaging systems, and so on.

Calcium fluoride (CaF2) has a high transmittance from ultraviolet to mid infrared (250nm~7um), so it is widely used to manufacture prisms, windows and lenses.