Volumetric retinal imaging with ultrahigh-resolution spectral-domain optical coherence tomography and adaptive optics using two broadband light sources
MIDAS/ISP: Optical Coherence Tomography in Ophthalmology (Published March 2, 2009)/Article #102497Please use this identifier to cite or link
to this item: http://hdl.handle.net/10376/1129
| Title: | Volumetric retinal imaging with ultrahigh-resolution spectral-domain optical coherence tomography and adaptive optics using two broadband light sources | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Authors: | Barry Cense1, Erik Koperda1, Jeffrey M. Brown1, Omer P. Kocaoglu1, Weihua Gao1, Ravi S. Jonnal1, Donald T. Miller1 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Institutions: | 1Indiana University | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Publisher: | Optical Society of America | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Publication date: | 2009-Mar-02 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Journal: | Optics Express, Vol. 17, Iss. 5, pp. 4095-4111 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| PDF Article: | http://www.opticsinfobase.org/abstract.cfm?uri=oe-17-5-4095 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Abstract: | Ultrabroadband sources, such as multiplexed superluminescent diodes (SLDs) and femtosecond lasers, have been successfully employed in adaptive optics optical coherence tomography (AO-OCT) systems for ultrahigh resolution retinal imaging. The large cost differential of these sources, however, motivates the need for a performance comparison. Here, we compare the performance of a Femtolasers Integral Ti:Sapphire laser and a Superlum BroadLighter T840, using the same AO-OCT system and the same subject. In addition, we investigate the capability of our instrument equipped with the Integral to capture volume images of the fovea and adjacent regions on a second subject using the AO to control focus in the retina and custom and freeware image registration software to reduce eye motion artifacts. Monochromatic ocular aberrations were corrected with a woofer-tweeter AO system. Coherence lengths of the Integral and BroadLighter were measured in vivo at 3.2 µm and 3.3 µm, respectively. The difference in dynamic range was 5 dB, close to the expected variability of the experiment. Individual cone photoreceptors, retinal capillaries and nerve fiber bundles were distinguished in all three dimensions with both sources. The acquired retinal volumes are provided for viewing in OSA ISP, allowing the reader to data mine at the microscope level. | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Media Files: | http://www.opticsinfobase.org/viewmedia.cfm?uri=oe-17-5-4095&seq=1 | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Complete Data Collection & Article: | article_102497_full.zip (649Mb) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Compressed Data Collection: | article_102497_preview.zip (4Mb) | ||||||||||||||||||||||||||||||||||||||||||||||||||
| Data Collection: |
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| OCIS Code: | 170.4500 , 010.1080 , 170.4470 , 330.4300 , 170.4580 | ||||||||||||||||||||||||||||||||||||||||||||||||||
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