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Twenty-five years of optical coherence tomography: the paradigm shift in sens...
Optical coherence tomography (OCT) has become one of the most successful optical technologies implemented in medicine and clinical practice mostly due to the possibility of... -
Distorted Dammann grating
We introduce the Dammann phase-encoding method into original distorted gratings and propose a modified distorted grating, called a distorted Dammann grating (DDG), to realize... -
High-speed linear detection time domain optical coherence tomography with ref...
We developed a high-speed linear detection time-domain optical coherence tomography (OCT) technique that detected a reflective grating-generated spatial optical delay in the... -
Saturated absorption competition microscopy
Owing to the advantage of being non-invasive in observing living samples, far-field optical microscopy is widely used in the life sciences, but the existence of the diffraction... -
Three dimensional polarization sensitive OCT of human skin in vivo
We present three dimensional images of backscattered intensity, and to the best of our knowledge, the first 3D-images of retardation and fast axis orientation of human skin in... -
Real-time crustal monitoring system of Japanese Islands based on spatio-tempo...
Abstract To continuously monitor crustal behavior associated with earthquakes, magmatic activities and other environmental effects (e.g., tides and rain precipitation), we have... -
Toward real-time quantum imaging with a single pixel camera
We present a workbench for the study of real-time quantum imaging by measuring the frame-by-frame quantum noise reduction of multi-spatial-mode twin beams generated by four wave... -
Direct measurement of the skew angle of the Poynting vector in a helically ph...
We measure the local skew angle of the Poynting vector within a helically-phased, exp(ilφ), beam using a Shack Hartmann wavefront sensor. It is the skew angle of the Poynting... -
Brownian fluctuations of an optically rotated nanorod
Gold nanorods can be optically trapped in aqueous solution and forced to rotate at kilohertz rates by circularly polarized laser light. This enables detailed investigations of... -
Reconfigurable silicon thermo-optical device based on spectral tuning of ring...
A novel tunable and reconfigurable thermo-optical device is theoretically proposed and analyzed in this paper. The device is designed to be entirely compatible with CMOS process... -
SVD for imaging systems with discrete rotational symmetry
The singular value decomposition (SVD) of an imaging system is a computationally intensive calculation for tomographic imaging systems due to the large dimensionality of the... -
Focusing through dynamic scattering media
We demonstrate steady-state focusing of coherent light through dynamic scattering media. The phase of an incident beam is controlled both spatially and temporally using a... -
High-performance multi-megahertz optical coherence tomography based on amplif...
As the key prerequisite of high-speed volumetric structural and functional tissue imaging in real-time, scaling the A-scan rate beyond MHz has been one of the major pursuits in... -
Single chip lidar with discrete beam steering by digital micromirror device
A novel method of beam steering enables a large field of view and reliable single chip light detection and ranging (lidar) by utilizing a mass-produced digital micromirror... -
Integrated adaptive optics optical coherence tomography and adaptive optics s...
We describe an ultrahigh-resolution (UHR) retinal imaging system that combines adaptive optics Fourier-domain optical coherence tomography (AO-OCT) with an adaptive optics... -
Dynamic 3D imaging based on acousto-optic heterodyne fringe interferometry
An acoustic-optics heterodyne fringe interferometry coupled with a three-camera system is developed for dynamic 3D imaging. In this system, first-order beams with a slight... -
Slot-mode optomechanical crystals: a versatile platform for multimode optomec...
Cavity optomechanical systems are being studied for their potential in areas such as metrology, communications, and quantum information science. For a number of recently... -
Real-time integral imaging system for light field microscopy
We propose a real-time integral imaging system for light field microscopy systems. To implement a 3D live in-vivo experimental environment for multiple experimentalists, we... -
Three dimensional tracking for volumetric spectral-domain optical coherence t...
We present a three-dimensional (3D) tracker for a clinical ophthalmic spectral domain optical coherence tomography (SD-OCT) system that combines depth-tracking with lateral... -
Imaging of the parafoveal capillary network and its integrity analysis using ...
Using a spectral domain OCT system, equipped with a broadband Ti:sapphire laser, we imaged the human retina with 5 µm x 1.3 µm transverse and axial resolution at acquisition...
