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Proceedings Paper

High Resolution Holographic Line Scanner For Use In Diode Laser Printers
Author(s): Shin-ya Hasegawa; Fumio Yarnagishi; Hiroyuki Ikeda; Takefumi Inagaki
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Paper Abstract

A high resolution all-holographic line scanner for use in diode laser printers has been developed. The scanner consists of only a holographic lens and disk for laser beam scanning and focusing. No other optics are necessary. The holographic lens performs two functions. The first is the uniform correction of the beam aberration over the entire scan line length at the desired wavelength of the diode laser. The second is the correction of the aberration caused by wavelength variation of the diode laser. We developed a holographic lens with these two functions, and devised an all-holographic line scanner with a beam spot size of less than 120 μm (1/e2), for a scan line length of 252 mm and a wavelength tolerance of +10 nm. This level of performance is well suited to 300 dpi printing applications.

Paper Details

Date Published: 4 June 1987
PDF: 9 pages
Proc. SPIE 0747, Practical Holography II, (4 June 1987); doi: 10.1117/12.939785
Show Author Affiliations
Shin-ya Hasegawa, Fujitsu Laboratories Ltd. (Japan)
Fumio Yarnagishi, Fujitsu Laboratories Ltd. (Japan)
Hiroyuki Ikeda, Fujitsu Laboratories Ltd. (Japan)
Takefumi Inagaki, Fujitsu Laboratories Ltd. (Japan)

Published in SPIE Proceedings Vol. 0747:
Practical Holography II
Tung H. Jeong, Editor(s)

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