What is an F-theta Lens and why is it essential in laser scanning applications
An F-theta lens is a specialized type of scanning lens used mainly in laser marking, engraving, cutting, and welding systems. Its primary job is to focus a laser beam onto a flat work surface while ensuring that the beam's position remains linearly proportional to the scanning mirror angles. In simpler terms, it makes sure that when the laser beam moves across the work area, it remains properly...
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