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This study presents a phase-modulation technique capable of flexibly extending the depth-of-field (DOF) of any diffraction pattern. This method, deep diffractive optics (DDO), involves integrating a needle-shaped beam phase modulator with a conventional phase pattern design. Our findings reveal that these current DDOs can significantly extend the DOF over traditional diffractive optics by a factor of five. This method holds broad potential for applications in various optical devices, systems, and emerging fields of photonics.
Jingjing Zhao,Kaitlyn Liang,Aidan Van Vleck,Lin Du,Yonatan Winetraub,Yifan Peng, andAdam de la Zerda
"Extending depth-of-field of arbitrary diffractive optics using needle-shaped beam phase modulation", Proc. SPIE PC12910, Practical Holography XXXVIII: Displays, Materials, and Applications, PC1291001 (13 March 2024); https://doi.org/10.1117/12.3004231
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Jingjing Zhao, Kaitlyn Liang, Aidan Van Vleck, Lin Du, Yonatan Winetraub, Yifan Peng, Adam de la Zerda, "Extending depth-of-field of arbitrary diffractive optics using needle-shaped beam phase modulation," Proc. SPIE PC12910, Practical Holography XXXVIII: Displays, Materials, and Applications, PC1291001 (13 March 2024); https://doi.org/10.1117/12.3004231