Diffraction efficiency optimization of Bragg deflectors with phased acoustic arrays

Alexandr V. Kisil; Andry V. Kovalenko; Vitalij N. Kurashov

doi:10.1117/12.165402

10 December 1993 Diffraction efficiency optimization of Bragg deflectors with phased acoustic arrays

Alexandr V. Kisil, Andry V. Kovalenko, Vitalij N. Kurashov

Proceedings Volume 2108, International Conference on Holography, Correlation Optics, and Recording Materials; (1993) https://doi.org/10.1117/12.165402
Event: Holography, Correlation Optics, and Recording Materials, 1993, Chernivsti, Ukraine

Abstract

Harnessing phased acoustic arrays for extending the operating range of optical deflectors is well known and investigated by a number of researchers. Usually, it was supposed, that acoustic waves are excited in contra-phase, or with phase difference linear dependent on wave frequency. These modes of excitation are easily achieved in deflectors of simple design, but they do not provide strict consistency between acoustic wave front and Bragg angle when scanning the optical beam. To investigate possibilities of multielement deflector with individual control of channels in phased acoustic array we examined light diffraction on a sequence of ultrasonic waves in isotropic medium.

Citation Download Citation

Alexandr V. Kisil, Andry V. Kovalenko, and Vitalij N. Kurashov "Diffraction efficiency optimization of Bragg deflectors with phased acoustic arrays", Proc. SPIE 2108, International Conference on Holography, Correlation Optics, and Recording Materials, (10 December 1993); https://doi.org/10.1117/12.165402

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