• No results found

Adaptive Optics

Adaptive optics fundus images of cone photoreceptors in the macula of patients with retinitis pigmentosa

Adaptive optics fundus images of cone photoreceptors in the macula of patients with retinitis pigmentosa

... tive optics images were analyzed using the manufacturer’s ...2B). Adaptive optics fundus photographs were taken several times and photographs that were blurred by motion artifacts were not ...

8

Strategies to overcome photobleaching in algorithm based adaptive optics for nonlinear in vivo imaging

Strategies to overcome photobleaching in algorithm based adaptive optics for nonlinear in vivo imaging

... nonlinear adaptive optics microscope utilizing a deformable membrane mirror (DMM) and demonstrated its use in compensating for system- and sample-induced ...

12

Development of high-speed CCD control system for adaptive optics

Development of high-speed CCD control system for adaptive optics

... Over the past several years, substantial progress has been made at the Optical Science Laboratory(OSL), Dept, of Physics & Astronomy, University College London(UCL) in adaptive optics and in work on CCD ...

169

Adaptive Optics for Vision Science: Principles, Practices, Design and Applications

Adaptive Optics for Vision Science: Principles, Practices, Design and Applications

... 11.1 Design of Houston Adaptive Optics Scanning Laser Ophthalmoscope (AOSLO) (Krishna Venkateswaran). 11.1.1 Basic optical design[r] ...

22

Thermal Balance and Active Damping of a Piezoelectric Deformable Mirror for Adaptive Optics

Thermal Balance and Active Damping of a Piezoelectric Deformable Mirror for Adaptive Optics

... Abstract: Piezoelectric unimorph deformable mirrors offer a cheap solution to adaptive optics, with mass production capability. However, standard solutions have significant drawbacks: (i) the static shape ...

12

Human retinal microvascular imaging using adaptive optics scanning light ophthalmoscopy

Human retinal microvascular imaging using adaptive optics scanning light ophthalmoscopy

... Recently, the options of adaptive optics microscopic imaging have been expanded through the use of multiply scattered light with nonconfocal detection schemes (e.g. offset pinhole, dark field, and split ...

14

Brown dwarf companions to young solar analogs: an adaptive optics survey using Palomar and Keck

Brown dwarf companions to young solar analogs: an adaptive optics survey using Palomar and Keck

... High-contrast imaging searches for low-mass companions to nearby and/or young stars have increased dramatically in number since the initial discovery of a brown- dwarf companion to a main sequence star (Gl 229) through ...

379

Strategies to overcome photobleaching in algorithm-based adaptive optics for nonlinear in-vivo imaging

Strategies to overcome photobleaching in algorithm-based adaptive optics for nonlinear in-vivo imaging

... nonlinear adaptive optics microscope utilizing a deformable membrane mirror (DMM) and demonstrated its use in compensating for system- and sample-induced ...

11

Adaptive optics in an optical trapping system for enhanced lateral trap stiffness at depth

Adaptive optics in an optical trapping system for enhanced lateral trap stiffness at depth

... The experimental setup, shown in figure 1, combines an optical tweezers system with an adaptive optics system using an inverted microscope (TEU2000, Nikon). A continuous wave laser beam from a diode-pumped, ...

9

Adaptive optics scanning laser ophthalmoscope imaging: technology update

Adaptive optics scanning laser ophthalmoscope imaging: technology update

... Notes: (A) AOSLO retinal images at different eccentricities of a healthy subject compared to those from an achromatopsia patient. Scale bar is 20 µm. (B) AOSLO images of an AZOOR patient. The retina seems normal up to an ...

13

Lasers, lenses and light curves : adaptive optics microscopy and peculiar transiting exoplanets

Lasers, lenses and light curves : adaptive optics microscopy and peculiar transiting exoplanets

... Multiphoton microscopy techniques such as two-photon fluorescence mi- croscopy (Denk et al., 1990) and second-harmonic microscopy (Campag- nola et al., 2001) are commonly employed to image biological specimens. Exploiting ...

168

Spatial analysis of photoreceptor mosaic from adaptive optics images of the human retina

Spatial analysis of photoreceptor mosaic from adaptive optics images of the human retina

... Adaptive optics (AO) retinal imaging has enabled direct visualization of the cone mosaic and measurement of density, spacing and packing arrangement of cones in normal eyes and eyes with retinal diseases ...

84

Nanodiamonds enable adaptive-optics enhanced, super-resolution, two-photon excitation microscopy

Nanodiamonds enable adaptive-optics enhanced, super-resolution, two-photon excitation microscopy

... of adaptive optics in two-photon microscopy [35] use active elements in the excitation path only and, due to the signal being generated only at the focal volume, employ wavefront sensors to directly detect ...

13

Controllable continuous-wave Nd:YVO4 self-Raman lasers using intracavity adaptive optics

Controllable continuous-wave Nd:YVO4 self-Raman lasers using intracavity adaptive optics

... using adaptive optics (AO) which has been used to optimize the performance of solid-state lasers by compensating for the thermal lens effect within the laser gain medium ...

5

Retinal imaging using adaptive optics technology

Retinal imaging using adaptive optics technology

... vivo. Adaptive optics ophthalmoscopes have enabled near diffraction-lim- ited imaging of cellular structures (such as individual photore- ceptors, ganglion cells, and RPE cells) in living human and ...

6

Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report

Detection of airbag impact-induced cone photoreceptor damage by adaptive optics scanning laser ophthalmoscopy: a case report

... Background: The purpose of this study was to report a case of traumatic maculopathy with para-central visual field defects following an impact by airbag deployment using adaptive optics scanning laser ...

6

Six new supermassive black hole mass determinations from adaptive-optics assisted SINFONI observations

Six new supermassive black hole mass determinations from adaptive-optics assisted SINFONI observations

... present adaptive optics-assisted near-infrared integral-field spectroscopic data for six fast-rotating axisym- metric early-type galaxies to study the stellar kinematics in the vicinity of their central ...

30

Adaptive optics images of Kepler objects of interest

Adaptive optics images of Kepler objects of interest

... All transiting planets are at risk of contamination by blends with nearby, unresolved stars. Blends dilute the transit signal, causing the planet to appear smaller than it really is, or produce a false-positive detection ...

10

Learning to Deblur Adaptive Optics Retinal Images

Learning to Deblur Adaptive Optics Retinal Images

... Abstract. In this paper we propose a blind deconvolution approach for recon- struction of Adaptive Optics (AO) high-resolution retinal images. The frame- work employs Random Forest to learn the mapping of ...

11

Adaptive optics for control of the laser welding process

Adaptive optics for control of the laser welding process

... focus optics is commonly used for the deep penetration laser ...proper adaptive optical elements, then also the geometry and position of the focus will be ...by adaptive optics and its ...

6

Show all 7049 documents...

Related subjects