Three-dimensional adaptive optics ultrahigh-resolution optical coherence tomography using a liquid crystal spatial light modulator.
A liquid crystal programmable phase modulator (PPM) is used as correcting device in an adaptive optics system for three-dimensional ultrahigh-resolution optical coherence tomography (UHR OCT). The feasibility of the PPM to correct high order aberrations even when using polychromatic light is studied, showing potential for future clinical use. Volumetric UHR OCT of the living retina, obtained with up 25,000A-scans/s and high resolution enables visualization of retinal features that might correspond to groups of terminal bars of photoreceptors at the external limiting membrane.
Fernández
Enrique J
EJ
Center for Biomedical Engineering and Physics, Vienna University of Medicine, Austria.
Povazay
Boris
B
Hermann
Boris
B
Unterhuber
Angelika
A
Sattmann
Harald
H
Prieto
Pedro M
PM
Leitgeb
Rainer
R
Ahnelt
Peter
P
Artal
Pablo
P
Drexler
Wolfgang
W
D006801:Humans; D021621:Imaging, Three-Dimensional / Q000295:instrumentation / Q000379:methods*; D050866:Liquid Crystals; D055095:Optics and Photonics; D012160:Retina / Q000033:anatomy & histology*; D041623:Tomography, Optical Coherence / Q000295:instrumentation / Q000379:methods*