Effect of external applied alternative electric field on the temporal variation of photorefractive fundamental harmonic of space-charge field

Yuwen Feng; Xiudong Sun; Zhongxiang Zhou; Yongyuan Jiang; Yan Li

doi:10.1117/12.318109

17 August 1998 Effect of external applied alternative electric field on the temporal variation of photorefractive fundamental harmonic of space-charge field

Yuwen Feng, Xiudong Sun, Zhongxiang Zhou, Yongyuan Jiang, Yan Li

Author Affiliations +

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318109
Event: Photonics China '98, 1998, Beijing, China

Abstract

In this paper, we took the hopping model to discuss the temporal variation of the fundamental harmonic of the space- charge field with external Sinusoidal field and square wave electric field, respectively. We presented the approximate analytical expression of the fundamental harmonic of the space-charge field versus time and the applied field amplitude. We also study the temporal variation of the real and the imaginary of the fundamental harmonic of the normalized space-charge field with different applied AC electric field, respectively. It is found that the real part of the fundamental space-charge field varies at the same frequency as the applied AC field, the imaginary part oscillates at twice the frequency. These results are in agreement with those derived from the band-transport model.

Citation Download Citation

Yuwen Feng, Xiudong Sun, Zhongxiang Zhou, Yongyuan Jiang, and Yan Li "Effect of external applied alternative electric field on the temporal variation of photorefractive fundamental harmonic of space-charge field", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318109

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