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Optical Coherence Tomography also largely known as the acronym OCT, is a technique developed to generate transversal sections images of light scattering media. Based on optical interferometry, it provides images correlated to histological images with the advantages of being not invasive, painless besides and does not use ionizing radiation. This study was divided into two separate goals; one refers to the application of interferometric autocorrelation signals for forming images of samples with complex structures. The second objective was the study of structures called harmonics and its application in increasing the axial resolution of an OCT system. Regarding the first part, it was found that the interferometric autocorrelation signal is often ignored or discarded by traditional OCT. Further analysis of the theory of interferometry, along with some previous studies have pointed to the possibility of generating images of greater morphological complexity using the signal autocorrelation, with the advantage of using a simplest optical arrangement and also allow static images of samples in axial movement.

Desenvolvimento da técnica de tomografia por coerência óptica de autocorrelação e melhoramento de resolução axial por análise de sinal via transformada de Fourier