CASTECH, Inc. F-Theta Lenses

Product description:F-theta lenses are often used in laser marking, laser engraving and laser cutting systems where constant scan rate and linear displacement are required. F-theta lenses are designed with a barrel distortion, and resulting a displacement that is linear with scanning angle.CASTECH provides telecentric and non-telecentric F-theta lenses with low distortion. We adopt quality materials, proprietary polishing and coating techniques, and standard interface thread to ensure high laser damage threshold and compatibility of our products.Application s:-Laser industrial processing-Laser sensing system-Ultrafast laser system