Deep optical imaging within complex scattering media
Optical imaging has had a central role in elucidating the underlying biological and
physiological mechanisms in living specimens owing to its high spatial resolution, molecular …
physiological mechanisms in living specimens owing to its high spatial resolution, molecular …
Tailoring light with a digital micromirror device
A digital micromirror device (DMD) is a product of micromechanics. The DMD employs
numerous micromirrors as the actuating components to switch small portions of light on and …
numerous micromirrors as the actuating components to switch small portions of light on and …
Flexible-type ultrathin holographic endoscope for microscopic imaging of unstained biological tissues
Ultrathin lensless fibre endoscopes offer minimally invasive investigation, but they mostly
operate as a rigid type due to the need for prior calibration of a fibre probe. Furthermore …
operate as a rigid type due to the need for prior calibration of a fibre probe. Furthermore …
Minimally invasive multimode optical fiber microendoscope for deep brain fluorescence imaging
A major open challenge in neuroscience is the ability to measure and perturb neural activity
in vivo from well defined neural sub-populations at cellular resolution anywhere in the brain …
in vivo from well defined neural sub-populations at cellular resolution anywhere in the brain …
Transmission matrix of a scattering medium and its applications in biophotonics
A conventional lens has well-defined transfer function with which we can form an image of a
target object. On the contrary, scattering media such as biological tissues, multimode optical …
target object. On the contrary, scattering media such as biological tissues, multimode optical …
Digital confocal microscopy through a multimode fiber
Acquiring high-contrast optical images deep inside biological tissues is still a challenging
problem. Confocal microscopy is an important tool for biomedical imaging since it improves …
problem. Confocal microscopy is an important tool for biomedical imaging since it improves …
Focusing light inside dynamic scattering media with millisecond digital optical phase conjugation
Wavefront shaping based on digital optical phase conjugation (DOPC) focuses light through
or inside scattering media, but the low speed of DOPC prevents it from being applied to …
or inside scattering media, but the low speed of DOPC prevents it from being applied to …
Widefield lensless imaging through a fiber bundle via speckle correlations
Flexible fiber-optic endoscopes provide a solution for imaging at depths beyond the reach of
conventional microscopes. Current endoscopes require focusing and/or scanning …
conventional microscopes. Current endoscopes require focusing and/or scanning …
Two-photon imaging through a multimode fiber
In this work we demonstrate 3D imaging using two-photon excitation through a 20 cm long
multimode optical fiber (MMF) of 350 µm diameter. The imaging principle is similar to single …
multimode optical fiber (MMF) of 350 µm diameter. The imaging principle is similar to single …
Light scattering control in transmission and reflection with neural networks
Scattering often limits the controlled delivery of light in applications such as biomedical
imaging, optogenetics, optical trapping, and fiber-optic communication or imaging. Such …
imaging, optogenetics, optical trapping, and fiber-optic communication or imaging. Such …