![]() The position of the spot on the image plane is directly proportional to the scan angle. The use of f-theta lenses provides a plane focusing surface and almost constant spot size over the entire XY image plane or scan field. Standard lenses focus the laser beam on a spherical surface in contrast to an ideal flat or plane field. ![]() The design and the quality of the optical components play a key role in the lens performance. drilling, welding of synthetic materials or cutting) in addition to medical and biotechnological applications (confocal microscopy, ophthalmology) and science and research. Our f-theta lenses are used in various applications from industrial material processing (e.g. ![]() Lenses used in combination with XY galvanometer scanners or polygon scanners are so-called f-theta lenses, plane field objectives or scan lenses.
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