Wavefront diffraction on a pattern formed by structured light

For Russian citation (Opticheskii Zhurnal):

Шойдин С.А., Пазоев А.Л. Дифракция волнового фронта на паттерне, сформированном структурированным светом // Оптический журнал. 2025. Т. 92. № 3. С. 32–39. http://doi.org/10.17586/1023-5086-2025-92-03-32-39

Shoydin S.A., Pazoev A.L. Wavefront diffraction on a pattern formed by structured light [in Russian] // Opticheskii Zhurnal. 2025. V. 92. № 3. P. 32–39. http://doi.org/10.17586/1023-5086-2025-92-03-32-39

For citation (Journal of Optical Technology):

Abstract:

Subject of the study. Search for ways to effectively compress holographic information, which is necessary to eliminate the inherent contradiction between the huge volumes of information in holograms and the limited spectrum of the available radio range. Purpose of the work. Development of an effective method of information compression that allows transmitting over a standard television channel all the information necessary for the synthesis of a hologram and subsequent restoration at the receiving end of the communication channel of a 3D image with high spatial resolution, television frame rate and continuous parallax. Method. By moving from traditional entropy coding to the use of the holographic diffraction structure features, the authors previously managed to achieve compression up to the required five to six orders of magnitude, representing the 3D signal in the main modalities — a 2D height map and a 2D surface texture. This paper demonstrates a method for compressing height map information by another two orders of magnitude. Main Results. It is shown that the information about the height map of the television frame can be compressed by two more orders of magnitude. Practical significance. The obtained results show the possibility of transmitting all the necessary information over a traditional television channel, which fits in a standard television signal band, providing the transmission of the height map with additional two bytes for each line of the 3D image texture frame. This is equivalent to a slight complication of the service information at the end of each line or the introduction of an additional column in each television frame.

Keywords:

holography, interference, holographic interference fringes, structured light, holographic television, 3D augmented reality

OCIS codes: 090.1760

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