Achromatic Telecentric Scan Lens TFS-532-635-50-120
With CCD camera been equipped into laser scanning system, Achromatic scan lens is developed to colour correct different wavelengths. The focal length, working distance and focus spot are identially for both laser working wavelength and visible wavelength, it will help CCD to capture the actual image through F-theta scan lens, generally low dispersion crown glass and high dispersion flint glass are jointly used to correct the chromatic aberration.
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Frequently Asked Questions
No, the simulation results for spot size are not accurate as they do not consider the material properties and how the laser is absorbed during machining.
The chromatic aberration is corrected by jointly using low dispersion crown glass and high dispersion flint glass.
The Achromatic Telecentric Scan Lens is developed to color correct different wavelengths in a laser scanning system.
The working distance of the lens varies depending on the part number, ranging from 52mm to 108.9mm.
The lens is compatible with different laser working wavelengths, such as 1064/650nm, 532/635nm, and 355/635nm.