9/1/2023 0 Comments Cross phase coherence![]() ![]() Standard and elegant higher-order Laguerre-Gaussian correlated Schell-model beams. Liang CH, Khosravi R, Liang XX, Kacerovská B, Monfared YE. Experimental generation of cosine-Gaussian-correlated Schell-model beams with rectangular symmetry. Liang CH, Wang F, Liu XL, Cai YJ, Korotkova O. Generation and propagation of partially coherent beams with nonconventional correlation functions: a review. Random Light Beams: Theory and Applications (CRC Press, Boca Raton, 2013).Ĭai YJ, Chen YH, Wang F. Light sources generating far fields with tunable flat profiles. Propagation characteristics of partially coherent beams with spatially varying correlations. Experimental synthesis of random light sources with circular coherence by digital micro-mirror device. Zhu XL, Yu JY, Chen YH, Wang F, Korotkova O et al. Experimental synthesis of partially coherent sources. Wang R, Zhu SJ, Chen YK, Huang HK, Li ZH et al. Synthesis of non-uniformly correlated partially coherent sources using a deformable mirror. On genuine cross-spectral density matrices. Gori F, Ramírez-Sánchez V, Santarsiero M, Shirai T. Devising genuine spatial correlation functions. Single-pixel terahertz imaging: a review. Zanotto L, Piccoli R, Dong JL, Morandotti R, Razzari L. Applications of optical coherence theory. Super-resolution imaging of multiple cells by optimized flat-field epi-illumination. Vectorial Optical Fields: Fundamentals and Applications (World Scientific, Hackensack New Jersey, 2014).ĭouglass KM, Sieben C, Archetti A, Lambert A, Manley S. Partially coherent vector beams: from theory to experiment. Introduction to the Theory of Coherence and Polarization of Light (Cambridge University Press, Cambridge, 2007).Ĭai YJ, Wang F, Zhao CL, Zhu SJ, Wu GF et al. Optical Coherence and Quantum Optics (Cambridge University Press, Cambridge, 1995). Our findings have potential applications in optical imaging and remote sensing in natural environments, in the presence of optical turbulence. We demonstrate the feasibility and the robustness of the far-field imaging via the DOC in the turbulent media through both the experiment and the numerical simulations. The advantages of the proposed approach are the confidentiality and resistance to turbulence, as well as the weaker requirement for the beam alignment accuracy. This unique propagation feature is employed in a novel protocol for far-field imaging via the DOC, applicable to transmission in both free-space and turbulence. In this paper, we report that when a partially coherent beam carrying a cross phase propagates in free space, in a paraxial optical system or in a turbulent medium, the modulus of the far-field (focal plane) DOC acquires the same value as it has in the source plane. As a rule, the DOC varies along the beam propagation path, preventing from the efficient information recovery. The degree of coherence (DOC) function that characterizes the second-order correlations at any two points in a light field is shown to provide a new degree of freedom for carrying information. ![]()
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