Abstract
A variety of optical systems utilize F-θ lenses to focus a scanned laser beam to a small spot. Typical applications include laser printing and laser machining. Since scan lenses usually operate at discrete laser wavelengths, diffractive optical components can be incorporated into these designs without the efficiency losses normally associated with broadband applications. This paper will examine the use of diffractive optical elements in F-θ scan lens design. A discussion of some basic design principles is provided. This is followed by a comparison between a refractive system and a hybrid system which illustrates how diffractive optics can significantly enhance the performance of F-θ scan lenses.
© 1996 Optical Society of America
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