20 September 1982 Catadioptric Laser Scanning System With Dynamic Field Flattening
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Abstract
A novel way to achieve a flat field large format plotter is described. The system makes use of two spherical mirrors and a small spherical aberration correcting element and can be made achromatic. The field flattening is dynamically obtained, making use of a polygonal scanner reflecting a non-collimated laser beam. An implementation example is given in which diffraction limited performance is achieved over a 436 mm wide format (17") with a spot measuring 17.5 μm at FWHM, employing a HeCd laser as the light source. A systematic way for the system's design is described.
© (1982) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Michael Nagler, Michael Nagler, } "Catadioptric Laser Scanning System With Dynamic Field Flattening", Proc. SPIE 0390, High Speed Read/Write Techniques for Advanced Printing and Data Handling, (20 September 1982); doi: 10.1117/12.935031; https://doi.org/10.1117/12.935031
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