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Proceedings Paper

Flat optical lens by use of 90-degree volume holographic grating recording geometry and nonvolatile thermal fixing in LiNbO3:Fe crystal
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Paper Abstract

A new design and fabrication of flat optical lens by use of 90-degree volume holographic grating recording geometry is presented. It is recorded by the interference of a plane wave and a spherical wave in a Fe-doped LiNbO3. The flat optical lens can laterally transfer and focus the plane wave which perpendicularly incidents on the planar crystal surface. The optimal switching from recording to thermal fixing is taken into consideration in order to obtain the nonvolatile hologram with maximum fixing efficiency. The flat optical lens with different recording and reconstructing wavelength has also been discussed. The flat optical lens has the advantages of light weight, laterally transferring and focusing, small duty ratio, and easy for the microstructure integration. The testing results measured verify that the flat optical lens can successfully be used for the free space optical communication.

Paper Details

Date Published: 25 September 2013
PDF: 7 pages
Proc. SPIE 8847, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII, 88471I (25 September 2013); doi: 10.1117/12.2025132
Show Author Affiliations
Ya'nan Zhi, Shanghai Institute of Optics and Fine Mechanics (China)
Zhifang Chai, East China Normal Univ. (China)
Yongjian Zhu, Zhejiang Univ. of Science and Technology (China)
Peipei Hou, Shanghai Institute of Optics and Fine Mechanics (China)
Jianfeng Sun, Shanghai Institute of Optics and Fine Mechanics (China)
Yu Zhou, Shanghai Institute of Optics and Fine Mechanics (China)
Liren Liu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 8847:
Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications VII
Shizhuo Yin; Ruyan Guo, Editor(s)

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