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Adaptive wavefront correction in two-photon microscopy using coherence-gated wavefront sensing The authors demonstrate that resolution and signal size in two-photon microcopy can be substantially improved, even in living biological specimens, by adaptive wavefront correction based on sensing the wavefront of coherence-gated backscattered light (coherence-gated wavefront sensing, CGWS) and wavefront control by a deformable mirror. A nearly diffraction-limited focus can be restored even for strong aberrations. CGWS-based wavefront correction should be applicable to samples with a wide range of scattering properties and it should be possible to perform real-time pixel-by-pixel correction even at fast scan speeds. The adaptive optics closed loop system uses a 37 actuator OKO membrane deformable mirror.
PNAS 103 , 17137-17142 (2006)Author(s): Markus Rueckel, Julia A. Mack-Bucher, and Winfried Denk Download Adaptive optics enhanced simultaneous en-face optical coherence tomography and scanning laser ophthalmoscopyA novel combination of adaptive optics with a simultaneous en-face OCT/SLO system for high resolution imaging of the in-vivo human retina is presented. The adaptive optics closed loop system uses a 37 actuator OKO membrane deformable mirror.
Optics Express 14, 3345-3353 (2006) Author(s): D. Merino, C. Dainty, A. Bradu, A. G. Podoleanu Download
Adaptive optics for ophthalmic applications using a pyramid wavefront sensor
The authors present a new adaptive optics system for the eye using a pyramid wavefront sensor interfaced in closed-loop with a 19-channel piezoelectric deformable mirror from OKO Technologies.
Optics Express 14, 518-526 (2006)
Author(s): S. R. Chamot, C. Dainty, S. Esposito Download
Dynamic closed-loop system for focus tracking using a spatial light modulator and a deformable membrane mirror
A dynamic closed-loop method for focus tracking using a spatial light modulator and a deformable membrane mirror within a confocal microscope is described. A 37-channel micromachined membrane deformable mirror from OKO Technologies is used.
Optics Express 14, 222-228 (2006) Author(s): A. J. Wright, B. A. Patterson, S. P. Poland, J. M. Girkin, G. M. Gibson, M. J. Padgett Download
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