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Adaptive optics correction of beam spread in biological tissues

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dc.contributor.author Baykal, Yahya
dc.date.accessioned 2024-02-22T11:49:20Z
dc.date.available 2024-02-22T11:49:20Z
dc.date.issued 2022-06
dc.identifier.citation Baykal, Y. (2022). "Adaptive optics correction of beam spread in biological tissues", Journal of Quantitative Spectroscopy and Radiative Transfer, Vol.283. tr_TR
dc.identifier.issn 00224073
dc.identifier.uri http://hdl.handle.net/20.500.12416/7286
dc.description.abstract Beam spread in turbulent biological tissues is examined when the tissue is excited with a collimated Gaussian laser beam. Adaptive optics correction is applied to the beam spread in the form of piston only (P Only), tilt only (T Only), piston+tilt (P+T), and the reduction in the beam spread is evaluated as compared to the no adaptive optics (No AO) corrected beam spread. No AO and adaptive optics corrected beam spread are expressed for various biological tissue types, against the variations in the strength coefficient of the refractive-index fluctuations, source size, small length-scale factor of turbulence, tissue length, fractal dimension, characteristic lengths of heterogeneity and the wavelength. For the examined tissue types of liver parenchyma (mouse), intestinal epithelium (mouse), upper dermis (human) and deep dermis (mouse), No AO beam spread and the adaptive optics corrected beam spread are found to increase as the strength coefficient of the refractive-index fluctuations, tissue length, fractal dimension, the characteristic lengths of heterogeneity increase, and to decrease as the source size, small length-scale factor, wavelength increase. Reduction ratio of P+T correction is almost the same for all the evaluated cases which is 74%. tr_TR
dc.language.iso eng tr_TR
dc.relation.isversionof 10.1016/j.jqsrt.2022.108145 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Adaptive Optics tr_TR
dc.subject Adaptive Optics Correction tr_TR
dc.subject Beam Spread tr_TR
dc.subject Biological Tissue Turbulence tr_TR
dc.title Adaptive optics correction of beam spread in biological tissues tr_TR
dc.type article tr_TR
dc.relation.journal Journal of Quantitative Spectroscopy and Radiative Transfer tr_TR
dc.identifier.volume 283 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Elektrik Elektronik Mühendisliği Bölümü tr_TR


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