Transformation optics designed general optical Luneburg lens with flattened shapes

Bayaner Arigong; Kris Ohlinger; Hyoung Soo Kim; Yuankun Lin; Hualiang Zhang

doi:10.1117/12.918931

19 May 2012 Transformation optics designed general optical Luneburg lens with flattened shapes

Bayaner Arigong, Kris Ohlinger, Hyoung Soo Kim, Yuankun Lin, Hualiang Zhang

Proceedings Volume 8376, Photonic Microdevices/Microstructures for Sensing IV; 83760R (2012) https://doi.org/10.1117/12.918931
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

It is well-known that the conventional lens design suffers from the aberration, which will lead to imperfect imaging. One way to solve this problem is to use gradient index (GRIN) lenses such as Luneburg lens. However, the spherical geometry of Luneburg lens imposes difficulty for manufacturing. Also, it is desired to design the Luneburg lens with arbitrary focal length. To address these issues, in this paper, we propose to apply the transformation optics techniques to the general Luneburg lens design. In this way, the spherical lens surface will be transformed to flattened shapes, which can be practically fabricated on a flat substrate. Specifically, three-dimensional (3D) Luneburg lenses with different focal lengths will be studied. Moreover, discussion on the fabrications of proposed lens has been included. It is desired to ensure that the modified design lies within the available material properties of various polymer photoresists.

Citation Download Citation

Bayaner Arigong, Kris Ohlinger, Hyoung Soo Kim, Yuankun Lin, and Hualiang Zhang "Transformation optics designed general optical Luneburg lens with flattened shapes", Proc. SPIE 8376, Photonic Microdevices/Microstructures for Sensing IV, 83760R (19 May 2012); https://doi.org/10.1117/12.918931

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