27 April 2016 Optical wave beam propagation in two-lens scheme with arbitrary parameters
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Two-lens optical scheme as a system of the optical information processing and transmission is considered. On the basis of applying radio-optics methods, the theory of linear systems and system approach a mathematical model describing the transformation of the optical wave beam in this system is proposed. Input-output ratio of the system in the form of a general spatial impulse response of all linear units included in the system is established.

The problem of energy losses of the optical radiation in such a system is considered. As the input and output of system of the single-mode optical fiber is used. The equations defining the minimum possible level of energy losses caused by the diffraction of beam is obtained. The analysis showed that the losses depend explicitly on several parameters: the radiation wavelength, the distance between the end of fiber and the aperture, and the ratio of the diameter of fiber and lens aperture. With the help of computer simulation in Matlab system the losses depending on the parameters mentioned above is presented.
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Vasily I. Kazakov, Vasily I. Kazakov, } "Optical wave beam propagation in two-lens scheme with arbitrary parameters", Proc. SPIE 9889, Optical Modelling and Design IV, 98891C (27 April 2016); doi: 10.1117/12.2227344; https://doi.org/10.1117/12.2227344

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