A 2.8-mm beam diameter system for retinal imaging with OCT and adaptive optics

被引：1

作者：

Reddikumar, Maddipatla ^{[1
]}

Cervantes, Joel ^{[1
]}

Otani, Yukitoshi ^{[1
,2
]}

Cense, Barry ^{[1
]}

机构：

[1] Utsunomiya Univ, Ctr Opt Res & Educ, 7-1-2 Yoto, Utsunomiya, Tochigi 3218585, Japan

[2] Utsunomiya Univ, Dept Opt Engn, 7-1-2 Yoto, Utsunomiya, Tochigi 3218585, Japan

来源：

BIOMEDICAL IMAGING AND SENSING CONFERENCE | 2018年 / 10711卷

关键词：

optical coherence tomography; retinal imaging; adaptive optics; deformable mirror; COHERENCE TOMOGRAPHY;

D O I：

10.1117/12.2319383

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A less-complex 2.8-mm beam diameter spectral domain optical coherence tomography system with an adaptive optics module presented. In this system a Shack-Hartmann wavefront sensor used for aberration sensing and the Deformable mirror used for aberration correction. We demonstrated the diffraction-limited resolution performance of this system on model retina. On the model, measured speckle size with present system is 2.2 times smaller than a 1.2-mm beam diameter OCT system. Further, on the model eye SNR gain of 6.7 dB was quantified with the present system over a 1.2-mm beam diameter OCT system. Relatively small size of 25 cm by 50 cm, less complexity, large field of view of the present system as compared to the conventional AO-OCT systems, would make it suitable for ophthalmic clinical applications.

引用

页数：4

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