Straight-line scanning analysis of an all holographic scanner

Abstract

The all holographic straight-line scanner we developed for laser diode printers consists of only a holographic disk and a holographic lens. This simple scanner meets all scanning requirements for printers such as straight-line scanning, low scan line placement error, and beam focusing. It also overcomes the deterioration in scanning characteristics caused by the individual wavelength variations among laser diodes. We extensively analyzed how to obtain straight-line scanning based on different wavelengths and the generalized concept of virtual wavelength ratio enabling flexible scanner design.

© 1989 Optical Society of America

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