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13 October 2006 Phase retardation symmetric design of a refractive and diffractive element for linearizing sinusoidal scanning
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Abstract
We propose a design of diffractive and refractive optical corrective elements with zooming capability for linearizing the angular scan of a resonant mirror scanner. Considering the symmetry requirements of the refractive element a graded index of refraction and its binary amplitude version are designed based on phase lag (beam retardation due to propagation through an inhomogeneous media). The design takes the beam diameter into consideration making it robust against beam fanning.
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Bahareh Haji-saeed, Sandip K. Sengupta, Jed Khoury, Christian P. Morath, Charles L. Woods, and John Kierstead "Phase retardation symmetric design of a refractive and diffractive element for linearizing sinusoidal scanning", Proc. SPIE 6375, Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems, 637505 (13 October 2006); https://doi.org/10.1117/12.686302
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