A. Motogaito, You Iguchi, Shuji Kato, H. Miyake, K. Hiramatsu
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Fabrication and characterization of a binary diffractive lens for controlling the focal length and depth of focus
We report on the fabrication and analysis of a diffractive lens with binary structure that allows the control of focal length and depth of focus. Beam propagation measurements show that focal length and depth of focus depend upon the structural parameters of prototype lenses.