Effect of rate of change of frequency characteristics of the optical spectral device based on acousto-optic tunable filter

Georgy Korol; Dmitry Moskaletz; Oleg Moskaletz

doi:10.1117/12.2061709

19 September 2014 Effect of rate of change of frequency characteristics of the optical spectral device based on acousto-optic tunable filter

Georgy Korol, Dmitry Moskaletz, Oleg Moskaletz

Author Affiliations +

Proceedings Volume 9216, Optics and Photonics for Information Processing VIII; 92161F (2014) https://doi.org/10.1117/12.2061709
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

We consider the analysis of the spectra of the dynamic signal optical range by the methods of acousto-optics at light diffraction by a traveling acoustic wave excited by a periodic sequence of radio pulses with a rectangular envelope and a linear variation of the instantaneous frequency. The procedure of the linear approximation of the acousto-optic interaction is described. Acousto-optic interaction is thought of as a bilinear transformation of the spectral components, which are radio signal and optical radiation. It is shown that from the bilinear spectral transformation ensue relations, describing the spectral processing or radio or optical signal as a result of diffraction on grating structure formed by traveling acoustic wave. The problem of spectrum analysis of optical signals by optical spectral device based on acoustooptic tunable filter is considered separately. An expression allowing to investigating in detail the possibility of such an optical spectral device is obtained.

Citation Download Citation

Georgy Korol, Dmitry Moskaletz, and Oleg Moskaletz "Effect of rate of change of frequency characteristics of the optical spectral device based on acousto-optic tunable filter", Proc. SPIE 9216, Optics and Photonics for Information Processing VIII, 92161F (19 September 2014); https://doi.org/10.1117/12.2061709

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