Bragg diffraction grating focusing-device design based on periodically inverted domains in lithium niobate crystals

Zhijuan Hu; Liren Liu; Zhu Luan; Yu Zhou; Xin Wang

doi:10.1117/12.612715

7 October 2005 Bragg-diffraction grating focusing-device design based on periodically inverted domains in lithium niobate crystals

Zhijuan Hu, Liren Liu, Zhu Luan, Yu Zhou, Xin Wang

Author Affiliations +

Proceedings Volume 5911, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI; 59111C (2005) https://doi.org/10.1117/12.612715
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

A Bragg grating focusing device composed of electro-optically induced refractive index grating in periodically poled lithium niobate was designed for integrated optics systems. The device are induced and controlled by the application of an external electric field. The theoretical analysis of the proposed optical device is carried out using two-dimensional coupled wave theory. The focusing properties and the diffraction intensity are investigated at the focal plane. It is shown that the designed device has good performance of focusing when a plane wave incidents on it at a certain angle. This type of Bragg diffraction devices can be act as a focusing lens and will have many potential applications such as in integrated optics and opto-electronics.

Citation Download Citation

Zhijuan Hu, Liren Liu, Zhu Luan, Yu Zhou, and Xin Wang "Bragg-diffraction grating focusing-device design based on periodically inverted domains in lithium niobate crystals", Proc. SPIE 5911, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XI, 59111C (7 October 2005); https://doi.org/10.1117/12.612715

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