Fresnel lens with multiple focus modes using polymer stabilized liquid crystals

Hsi-Fu Shih; Shao-Chi Li; Chuen-Lin Tien

doi:10.1117/12.2021113

22 June 2013 Fresnel lens with multiple focus modes using polymer stabilized liquid crystals

Hsi-Fu Shih, Shao-Chi Li, Chuen-Lin Tien

Author Affiliations +

Proceedings Volume 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013); 87693D (2013) https://doi.org/10.1117/12.2021113
Event: International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 2013, Singapore, Singapore

Abstract

This study proposes a Fresnel lens with multiple focus modes by combining the technology of polymer stabilized liquid crystals (PSLC) with the novel electrode design, which contains the Fresnel zone electrodes and complementary electrodes. The device was fabricated according the methods including the photolithography for the electrode patterns, the LC cell assembly, and the UV exposure for the PLSC curing. Experimental results show that the diffraction effects of the lens can be switched under different operation modes. It can accordingly provide three focal lengths of 25 cm, 32 cm, and 39.5 cm.

Citation Download Citation

Hsi-Fu Shih, Shao-Chi Li, and Chuen-Lin Tien "Fresnel lens with multiple focus modes using polymer stabilized liquid crystals", Proc. SPIE 8769, International Conference on Optics in Precision Engineering and Nanotechnology (icOPEN2013), 87693D (22 June 2013); https://doi.org/10.1117/12.2021113

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