Computer simulation of physical phenomena in waveguide acousto-optical devices for photonic systems

Nikolai V. Masalsky

doi:10.1117/12.360001

27 August 1999 Computer simulation of physical phenomena in waveguide acousto-optical devices for photonic systems

Nikolai V. Masalsky

Proceedings Volume 3737, Design and Engineering of Optical Systems II; (1999) https://doi.org/10.1117/12.360001
Event: Optical Systems Design and Production, 1999, Berlin, Germany

Abstract

The several dozen versions of waveguide acousto-optical devices (WAOD) are used as components of photonic system. The quality of the WAOD essentially determines the limiting parameters of photonic system. The characteristics of WAOD are defined by the Bragg cell and the lens system. A particular emphasis was laid upon computer analysis of frequency and dynamic characteristics of Bragg cell with different types of interdigital electro-acoustic transducer. The temperature and radiation effects upon the interference phenomena in the Bragg cell were investigated. The planar lens system with high numerical aperture should be used for a high resolution and dynamic range (DR). To increase the numerical aperture the optical system included several planar refractive lenses have to be used. We have been design the optical systems included planar refractive lenses and modified topology Fresnel lens. Therefore the elements of Fresnel lens can be of different thickness and to several Fresnel zones. The surface of the eye's pupil should be aplanatic lens design. In the case of WAOD the DR for two resoluted signals is defined by a laser optical beam aperture function, its frequency spectrum, optical losses, displacement and geometry of a CCD detector array. In the case the computer simulation is shown that the DR depend on autocorrelation length for Rayleigh and Mie scattering, scattering on scratches. The scratches give local maximums in scattering function.

Citation Download Citation

Nikolai V. Masalsky "Computer simulation of physical phenomena in waveguide acousto-optical devices for photonic systems", Proc. SPIE 3737, Design and Engineering of Optical Systems II, (27 August 1999); https://doi.org/10.1117/12.360001

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