title: Adaptive optics full-field optical coherence tomography.
abstract: We describe a simple and compact full-field optical coherence tomography (FFOCT) setup coupled to a transmissive liquid crystal spatial light modulator (LCSLM) to induce or correct aberrations. To reduce the system complexity, strict pupil conjugation was abandoned because low-order aberrations are often dominant. We experimentally confirmed a recent theoretical and experimental demonstration that the image resolution was almost insensitive to aberrations that mostly induce a reduction of the signal level. As a consequence, an image-based algorithm was applied for the optimization process by using the FFOCT image intensity as the metric. Aberration corrections were demonstrated with both an USAF resolution target and biological samples for LCSLM-induced and sample-induced wavefront distortions.
authors.affiliation: PSL Research University, Institut Langevin, ESPCI Paris, 1 rue Jussieu, 75005 Paris, France.
authors.forename: Peng
authors.initials: P
authors.lastname: Xiao
authors.affiliation: PSL Research University, Institut Langevin, ESPCI Paris, 1 rue Jussieu, 75005 Paris, France.
authors.forename: Mathias
authors.initials: M
authors.lastname: Fink
authors.affiliation: PSL Research University, Institut Langevin, ESPCI Paris, 1 rue Jussieu, 75005 Paris, France.
authors.forename: Albert Claude
authors.initials: AC
authors.lastname: Boccara