High Resolution Holographic Line Scanner For Use In Diode Laser Printers

Shin-ya Hasegawa; Fumio Yarnagishi; Hiroyuki Ikeda; Takefumi Inagaki

doi:10.1117/12.939785

4 June 1987 High Resolution Holographic Line Scanner For Use In Diode Laser Printers

Shin-ya Hasegawa, Fumio Yarnagishi, Hiroyuki Ikeda, Takefumi Inagaki

Proceedings Volume 0747, Practical Holography II; (1987) https://doi.org/10.1117/12.939785
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

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.

Citation Download Citation

Shin-ya Hasegawa, Fumio Yarnagishi, Hiroyuki Ikeda, and Takefumi Inagaki "High Resolution Holographic Line Scanner For Use In Diode Laser Printers", Proc. SPIE 0747, Practical Holography II, (4 June 1987); https://doi.org/10.1117/12.939785

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