Real-time non-destructive testing of dynamic holograms in doubly doped LiNbO3 crystals using phase-conjugate technique

Liyong Ren; Baoli Yao; Lili Wang; Yongfa Kong; Neimule MenKe; Zhiwei Ren; Ming Lei

doi:10.1117/12.649637

15 September 2005 Real-time non-destructive testing of dynamic holograms in doubly doped LiNbO₃ crystals using phase-conjugate technique

Liyong Ren, Baoli Yao, Lili Wang, Yongfa Kong, Neimule MenKe, Zhiwei Ren, Ming Lei

Author Affiliations +

Proceedings Volume 5966, Seventh International Symposium on Optical Storage (ISOS 2005); 59660V (2005) https://doi.org/10.1117/12.649637
Event: Seventh International Symposium on Optical Storage (ISOS 2005), 2005, Zhanjiang, China

Abstract

To test the dynamic photorefractive grating during holographic recording, as usual, the signal wave is blocked from time to time and simultaneously the diffracted beam of the reference wave is tested. This kind of measurement destroys the continuity of the holographic recording and increases the random noise and results in bad repeatability and reliability. In this paper, the phase-conjugate technique is used to overcome the above drawbacks. The reference wave and the object wave are much stronger than the probe beam propagating along the counter-direction of the reference wave. Thus the real-time and non-destructive testing of the dynamic holograms can be obtained by measuring the phase-conjugate wave of the object wave.

Citation Download Citation

Liyong Ren, Baoli Yao, Lili Wang, Yongfa Kong, Neimule MenKe, Zhiwei Ren, and Ming Lei "Real-time non-destructive testing of dynamic holograms in doubly doped LiNbO₃ crystals using phase-conjugate technique", Proc. SPIE 5966, Seventh International Symposium on Optical Storage (ISOS 2005), 59660V (15 September 2005); https://doi.org/10.1117/12.649637

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