Optical lens for fiber laser scanning field mirror
Product Description：
The lens working near the focal plane of the objective lens is called a field mirror, which changes the position of the imaging beam without changing the optical characteristics of the optical system. It is often used in infrared optical systems.
The main functions of field mirrors are：
Improve the ability of edge beam incidence to the detector;
In the same main optical system, additional field mirrors will reduce the area of the detector;
If the same detector area is used, the field of view can be expanded to increase the incident flux;
Unify the non-uniform illumination on the photosensitive surface of the detector.
