Two-dimensional Raman-Nath acousto-optic bistability by use of frequency feedback

Qida Zhao, Shiya He, B. J. Li, Pao Lo Liu, Xiaoyi Dong

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


From the frequency dependence of the optical transmission characteristics of Raman-Nath acoustic-optic diffraction, the dynamic equations and steady-state solutions of a two-dimensional Raman-Nath acoustooptic bistable system are derived. In this system, feedback is realized by use of a diffracted light beam to control the frequency of the acoustic-optic driver. The curves of light output versus input corresponding to several orders of the diffracted beams are obtained by theoretical analysis. They can all lead to bistability. The amount of hysteresis is a function of the order of the diffracted beam, the bias frequency, and the feedback coefficient. Experimental results are presented and compared with theoretical analyses.

Original languageEnglish
Pages (from-to)2408-2413
Number of pages6
JournalApplied optics
Issue number11
Publication statusPublished - 1997 Apr 10

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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