Laser Printing with Multiple Beams from Optical Fiber Array
Abstract:Simultaneous scanning of multiple beams is an effective method to realize high-speed and high-resolution laser printer. For producing multiple beams, we have been developing an optical fiber array method and recently we could successfully demonstrate a laser printing using the optical fiber array for five beams. The wavelength of diode lasers is 640nm at which the photoconductor drum has sensitivity. The fiber array has a spacing of 0.15mm and each fiber emits a circular Gaussian beam of 5μm in diameter. In the arrayed fibers, the alignment error vertical to the array direction is suppressed below 0.4μm. In the optics, the curve of scan lines and print position errors in scan direction caused by the wavelength differences among diode lasers are suppressed negligibly small due to the achromatized design.
Document Type: Research Article
Publication date: January 1, 1999
For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.
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