Equidistant Recording of the Spectral Components in Ultra-Wideband Spectral-Domain Optical Coherence Tomography


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We develop an effective method for reducing nonequidistance when recording the spectral components of an interference signal in ultra-wideband spectral-domain optical coherence tomography. For this purpose, a corrector consisting of two identical prisms is used in a diffraction-grating spectrometer. The corrector rotation with respect to the diffraction-grating plane and a variation in the angle between the corrector elements allow one to adjust the equidistant spatial distribution of the spectral components in the photoreceiver array. It is shown experimentally that the developed method substitutes digital correction and leads to a significant reduction of the computational load in the optical coherence tomography device.

作者简介

P. Shilyagin

Institute of Applied Physics of the Russian Academy of Sciences

编辑信件的主要联系方式.
Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

S.Yu. Ksenofontov

Institute of Applied Physics of the Russian Academy of Sciences; LLC “Biomedical Technologies”

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod; Nizhny Novgorod

A. Moiseev

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

D. Terpelov

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

V. Matkivsky

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

I. Kasatkina

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

Yu. Mamaev

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

G. Gelikonov

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

V. Gelikonov

Institute of Applied Physics of the Russian Academy of Sciences

Email: paulo-s@mail.ru
俄罗斯联邦, Nizhny Novgorod

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