Study on Polarization Distribution of Polarization Encoder in Oblique Incidence


Article Preview

Principle of polarization encoding based on electro-optic effect of LiNbO3 crystal is analyzed, effact on polarization encoding optical field effects is studied when the incident light direction changes. Theoretical calculations show that, with the angle between the direction of incident laser beam and the main axis of LiNbO3 crystal increases, rotation angle of polarization ellipse remain unchanged,but ellipticity changes at any other position except in the center of the encoder,at the top and bottom of encoder,polarization state changes from circularly polarized to elliptically polarized,at other position of the encoder, polarization states are still elliptically polarized light but with different ellipticity angle. Experiment measurement results are in accord with ones of the calculation.



Advanced Materials Research (Volumes 201-203)

Edited by:

Daoguo Yang, Tianlong Gu, Huaiying Zhou, Jianmin Zeng and Zhengyi Jiang




M. Z. Zhou et al., "Study on Polarization Distribution of Polarization Encoder in Oblique Incidence", Advanced Materials Research, Vols. 201-203, pp. 1590-1595, 2011

Online since:

February 2011




[1] Chau-Jern Cheng, Mao-Ling Chen: Optics Communications, vol. 237(2004), p.45–52.

[2] Bahram Javidi: Optical Engineering, vol. 39(2000), p.2439–2443.

[3] Hao Chen, Zhu Zheng, BaiFu-Zhang: Opt. Lett. Vol35 (2010) ,P. 2825-2827.

[4] Zhou Muchun, Chen Yanru, Zhao Qi: Acta Optica Sinica , vol 26(2006), pp.290-293, (in Chinese).

[5] Yu Xin, Yanru Chen, Qi Zhao: Optics Communications, vol. 282(2009), p.1260–1264.


[6] E. Collett: Field Guide to Polarization[M]. SPIE Field Guides vol. FG05, SPIE (2005).

[7] Z. Song, LR. L,Y. Zhou, D. Liu: Optik Vol 117(2006) , pp.418-422.