光学相干层析成像的四维成像理论。

IF 1.5 3区物理与天体物理 Q3 OPTICS

Journal of The Optical Society of America A-optics Image Science and Vision Pub Date : 2025-06-01 DOI:10.1364/JOSAA.557663

Naoki Fukutake, Shuichi Makita, Yoshiaki Yasuno

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引用次数: 0

摘要

我们构建了光学相干断层扫描/显微镜（OCT/OCM）的精确成像理论，无需近似计算精确的光学分辨率和成像特性。我们的理论代表了一个宽带光源，使用四维（4D）瞳孔函数，其维度为光频率（波长的倒数）作为四维频率空间中的第四个轴。因此，在实际空间中需要四维时空表示，并通过四维傅里叶变换连接到四维频率空间。我们的理论提供了对OCT/OCM中特殊图像形成的见解，特别是当仪器具有高数值孔径（NA）光学系统同时处理像差和色散时。

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Four-dimensional image formation theory of optical coherence tomography.

We construct an accurate imaging theory for optical coherence tomography/microscopy (OCT/OCM) without approximations to calculate precise optical resolution and imaging characteristics. Our theory represents a broadband light source using a four-dimensional (4D) pupil function with a dimension for light frequency (reciprocal of wavelength) as the fourth axis in 4D frequency space. Consequently, 4D space-time representation is required in real space, connected to the 4D frequency space by a 4D Fourier transform. Our theory provides insight into a peculiar image formation in OCT/OCM, particularly when an apparatus has a high numerical aperture (NA) optical system to handle aberrations and dispersions simultaneously.

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来源期刊

Journal of The Optical Society of America A-optics Image Science and Vision 物理-光学

CiteScore

3.40

自引率

10.50%

发文量

417

审稿时长

3 months

期刊介绍： The Journal of the Optical Society of America A (JOSA A) is devoted to developments in any field of classical optics, image science, and vision. JOSA A includes original peer-reviewed papers on such topics as: * Atmospheric optics * Clinical vision * Coherence and Statistical Optics * Color * Diffraction and gratings * Image processing * Machine vision * Physiological optics * Polarization * Scattering * Signal processing * Thin films * Visual optics Also: j opt soc am a.