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Proceedings Paper

A 2.8-mm beam diameter system for retinal imaging with OCT and adaptive optics
Author(s): Maddipatla Reddikumar; Joel Cervantes; Yukitoshi Otani; Barry Cense
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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.

Paper Details

Date Published: 24 April 2018
PDF: 4 pages
Proc. SPIE 10711, Biomedical Imaging and Sensing Conference, 107110C (24 April 2018); doi: 10.1117/12.2319383
Show Author Affiliations
Maddipatla Reddikumar, Utsunomiya Univ. (Japan)
Joel Cervantes, Utsunomiya Univ. (Japan)
Yukitoshi Otani, Utsunomiya Univ. (Japan)
Barry Cense, Utsunomiya Univ. (Japan)


Published in SPIE Proceedings Vol. 10711:
Biomedical Imaging and Sensing Conference
Toyohiko Yatagai; Yoshihisa Aizu; Osamu Matoba; Yasuhiro Awatsuji; Yuan Luo, Editor(s)

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