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

Maddipatla Reddikumar, Joel Cervantes, Yukitoshi Otani, Barry Cense

Research output: Chapter in Book/Conference paperConference paper

Abstract

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.

Original languageEnglish
Title of host publicationBIOMEDICAL IMAGING AND SENSING CONFERENCE
EditorsT Yatagai, Y Aizu, O Matoba, Y Awatsuji, Y Luo
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Number of pages4
ISBN (Print)9781510619791
DOIs
Publication statusPublished - 2018
Externally publishedYes
EventBiomedical Imaging and Sensing Conference - Yokohama, Japan
Duration: 25 Apr 201827 Apr 2018

Publication series

NameProceedings of SPIE
PublisherSPIE-INT SOC OPTICAL ENGINEERING
Volume10711
ISSN (Print)0277-786X

Conference

ConferenceBiomedical Imaging and Sensing Conference
CountryJapan
CityYokohama
Period25/04/1827/04/18

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