Ultrahigh-resolution full-field optical coherence microscopy using
... demonstrated, showcasing the ultrahigh-resolution capabilities of this technology [2]. In most biological tissues, scattering of light inside the tissue is the dominant factor that limits the imaging penetration depth [12,13]. Since the scattering becomes weaker at longer wavelengths [12-14], the us ...
... demonstrated, showcasing the ultrahigh-resolution capabilities of this technology [2]. In most biological tissues, scattering of light inside the tissue is the dominant factor that limits the imaging penetration depth [12,13]. Since the scattering becomes weaker at longer wavelengths [12-14], the us ...
PDF
... the three-dimensional s3Dd spatial patterns of n̂srd is important for fundamental LC research and for a broad range of technological applications. Fluorescence confocal polarizing microscopy2 sFCPMd visualizes 3D director fields by taking advantage of sad doping anisometric dyes that homogeneously d ...
... the three-dimensional s3Dd spatial patterns of n̂srd is important for fundamental LC research and for a broad range of technological applications. Fluorescence confocal polarizing microscopy2 sFCPMd visualizes 3D director fields by taking advantage of sad doping anisometric dyes that homogeneously d ...
Body Organization
... structures of the body made by electromagnetic radiation (X-rays, gamma rays, radio waves) passing through the body to act on special film – CT/CAT (computerized axial tomography) – • Imaging technique that uses X-rays to reconstruct the body’s 3-D structure CT/CAT scanning machine ...
... structures of the body made by electromagnetic radiation (X-rays, gamma rays, radio waves) passing through the body to act on special film – CT/CAT (computerized axial tomography) – • Imaging technique that uses X-rays to reconstruct the body’s 3-D structure CT/CAT scanning machine ...
Quantum Imaging using Non-linear Optics 1 Introduction and Motivation December 15, 2011
... the source S enters the chamber opening and is scattered from the object, yielding a single sequence of photoevents from the integrating sphere C. The other beam is transmitted through a conventional optical system and detected using a single-photon-sensitive scanning (or array) detector D. The info ...
... the source S enters the chamber opening and is scattered from the object, yielding a single sequence of photoevents from the integrating sphere C. The other beam is transmitted through a conventional optical system and detected using a single-photon-sensitive scanning (or array) detector D. The info ...
Extended depth-of-field iris recognition system for a
... commercially available iris recognition systems for this application are difficult to use. The subject must be carefully positioned so that the correct eye is within the field of view, in focus, and is held stationary to avoid motion blur. This narrow field of view and a shallow depth of field manda ...
... commercially available iris recognition systems for this application are difficult to use. The subject must be carefully positioned so that the correct eye is within the field of view, in focus, and is held stationary to avoid motion blur. This narrow field of view and a shallow depth of field manda ...
Basics in Confocal Microscopy Handouts
... Using a multitude of different dyes, e.g. marking several genes on chromosomes, leads to spectral overlap which can be corrected by linear unmixing. Leica SP2 AOBS ...
... Using a multitude of different dyes, e.g. marking several genes on chromosomes, leads to spectral overlap which can be corrected by linear unmixing. Leica SP2 AOBS ...
Correction of eye-motion artifacts in AO-OCT data sets
... measurement and complicate registration. This effect is magnified in high-resolution data sets acquired by adaptive optics (AO)-OCT instruments [1]. Recent advances in high-speed Fd-OCT acquisition [2] allow for reduction of volume acquisition time and therefore reduce eye motion artifacts; however, ...
... measurement and complicate registration. This effect is magnified in high-resolution data sets acquired by adaptive optics (AO)-OCT instruments [1]. Recent advances in high-speed Fd-OCT acquisition [2] allow for reduction of volume acquisition time and therefore reduce eye motion artifacts; however, ...
Image formation with broad bundles of rays
... The change in phase along different rays between points of intersection with two given wave surfaces is the same. The total change in phase between the points O and O’ is the same for the different rays. The optical path length y is the same for all these rays. ...
... The change in phase along different rays between points of intersection with two given wave surfaces is the same. The total change in phase between the points O and O’ is the same for the different rays. The optical path length y is the same for all these rays. ...
Simulating and optimizing compound refractive lens-based X
... others (Lengeler et al., 1999). While these have greatly furthered the design and implementation of CRLs, no single formalism fulfills the core requirements for optimization: (i) simple, closed expressions, (ii) broad applicability to both condensing and full-field imaging systems, and (iii) conside ...
... others (Lengeler et al., 1999). While these have greatly furthered the design and implementation of CRLs, no single formalism fulfills the core requirements for optimization: (i) simple, closed expressions, (ii) broad applicability to both condensing and full-field imaging systems, and (iii) conside ...
The principles of statistical optics and image formation A Statistical
... The principles of statistical optics and image formation A Statistical Description of Optical Science Course Objective: This course aims to introduce the intrinsic nature of optical fields, their propagation, statistical properties (i.e., coherence), and imaging methods based on statistical properti ...
... The principles of statistical optics and image formation A Statistical Description of Optical Science Course Objective: This course aims to introduce the intrinsic nature of optical fields, their propagation, statistical properties (i.e., coherence), and imaging methods based on statistical properti ...
Tabletop nanometer extreme ultraviolet imaging in an
... divided out. Quantitative surface relief information can be obtained from the phase of the reconstructed object as well. The titanium was patterned at a thickness of approximately 30 nm. The round-trip path difference of the reflected light is −2h cos θ, where h is the height above a reference (such ...
... divided out. Quantitative surface relief information can be obtained from the phase of the reconstructed object as well. The titanium was patterned at a thickness of approximately 30 nm. The round-trip path difference of the reflected light is −2h cos θ, where h is the height above a reference (such ...
here - Gentec International
... Glenn Swackhamer, National Sales Manager, Mobile Electronics With 19 years in the mobile electronics industry, including ten years of installation and retail experience and nine years working at Alpine Canada’s corporate headquarters, Glenn brings a wealth of knowledge related to the installation, a ...
... Glenn Swackhamer, National Sales Manager, Mobile Electronics With 19 years in the mobile electronics industry, including ten years of installation and retail experience and nine years working at Alpine Canada’s corporate headquarters, Glenn brings a wealth of knowledge related to the installation, a ...
Techniques for Fusion of Multimodal Images
... Reconstruction Technique for Breast Cancer Assessment.” IEEE Trans. Med. Imaging 20(9), 877-885, 2001. ...
... Reconstruction Technique for Breast Cancer Assessment.” IEEE Trans. Med. Imaging 20(9), 877-885, 2001. ...
High-resolution retinal microscopy using MEMS
... Figure 1: Adaptive optics scanning laser ophthalmoscope test bed schematic. A collimated laser beam is focused by the mouse eye to a spot on the retina. A scanning subsystem forces the spot to raster across a small area at or below the retinal surface. Light scattered from the spot passes back throu ...
... Figure 1: Adaptive optics scanning laser ophthalmoscope test bed schematic. A collimated laser beam is focused by the mouse eye to a spot on the retina. A scanning subsystem forces the spot to raster across a small area at or below the retinal surface. Light scattered from the spot passes back throu ...
Nanometer optical coherence tomography using
... [2] Leitgeb et al.: Ultrahigh resolution Fourier domain optical coherence tomography, Optics Express, 2004 [3] Fuchs et al.: Optical coherence tomography using broad-bandwidth XUV and soft-X-ray radiation, Appl. Phys. B, 2012 [4] Henke, Gullikson, Davis.: X-ray interactions: Photoabsorption, Scatter ...
... [2] Leitgeb et al.: Ultrahigh resolution Fourier domain optical coherence tomography, Optics Express, 2004 [3] Fuchs et al.: Optical coherence tomography using broad-bandwidth XUV and soft-X-ray radiation, Appl. Phys. B, 2012 [4] Henke, Gullikson, Davis.: X-ray interactions: Photoabsorption, Scatter ...
In Situ Imaging of Cold Atomic Gases
... ultra-cold atomic gases in strongly confining magnetic traps, the spatially dependent, and often quite complex, vector fields within these traps makes direct imaging difficult. Several novel techniques have been developed and implemented within the past two decades to image dense atomic clouds, not ...
... ultra-cold atomic gases in strongly confining magnetic traps, the spatially dependent, and often quite complex, vector fields within these traps makes direct imaging difficult. Several novel techniques have been developed and implemented within the past two decades to image dense atomic clouds, not ...
(Digital Micro-Mirror Device) Based Multi-Object
... arbitrary regions of interest. In addition it will be possible to do multi-object spectroscopy by carefully designing a mask that allows several spectrally different objects in the scene to be rapidly measured in sequence. We will focus on spectral measurements in the visual and near-infrared part o ...
... arbitrary regions of interest. In addition it will be possible to do multi-object spectroscopy by carefully designing a mask that allows several spectrally different objects in the scene to be rapidly measured in sequence. We will focus on spectral measurements in the visual and near-infrared part o ...
Rev.Sci.Instrum.
... a gas laser which are available in most optical laboratories. The optical components of the laser arm produce any desired state of polarization. The key elements are a Glan– Thompson polarizer with an extinction ratio of 1028 ~Halle, FRG! and a low-order retardation plate coated with an antireflecti ...
... a gas laser which are available in most optical laboratories. The optical components of the laser arm produce any desired state of polarization. The key elements are a Glan– Thompson polarizer with an extinction ratio of 1028 ~Halle, FRG! and a low-order retardation plate coated with an antireflecti ...
Looking through walls and around corners with
... The use of spatial wavefront-shaping for controlling light in scattering media has fascinating ...
... The use of spatial wavefront-shaping for controlling light in scattering media has fascinating ...
High-speed spectral-domain optical coherence tomography at 1.3
... Previous clinical imaging studies conducted with time domain optical coherence tomography (TD-OCT) [1] have indicated that detection sensitivity of greater than 105 dB may be required to provide sufficient penetration depth for accurate diagnosis and quantitative evaluation of tissue properties [2]. ...
... Previous clinical imaging studies conducted with time domain optical coherence tomography (TD-OCT) [1] have indicated that detection sensitivity of greater than 105 dB may be required to provide sufficient penetration depth for accurate diagnosis and quantitative evaluation of tissue properties [2]. ...
Feiglin3, 'Center
... Reconstruction Technique for Breast Cancer Assessment." IEEE Trans. Med. Imaging 20(9), 877-885, 2001. ...
... Reconstruction Technique for Breast Cancer Assessment." IEEE Trans. Med. Imaging 20(9), 877-885, 2001. ...
Imaging
... As photons of light enter the CCD, they are absorbed by the silicon layer if they have sufficient energy. Each absorbed photon causes an electron to be promoted into the conduction band. During CCD photography, for every one hundred incident photons, between forty and eighty are absorbed by the sili ...
... As photons of light enter the CCD, they are absorbed by the silicon layer if they have sufficient energy. Each absorbed photon causes an electron to be promoted into the conduction band. During CCD photography, for every one hundred incident photons, between forty and eighty are absorbed by the sili ...
Click To
... infrared sensor. The number of pixels (individual sensing elements) in the FPA ultimately dictates the spatial resolution of the sensor; therefore, a sensor designer will generally seek to maximize the pixel count when selecting the FPA. Unfortunately, as pixel count increases, the likelihood of FPA ...
... infrared sensor. The number of pixels (individual sensing elements) in the FPA ultimately dictates the spatial resolution of the sensor; therefore, a sensor designer will generally seek to maximize the pixel count when selecting the FPA. Unfortunately, as pixel count increases, the likelihood of FPA ...
to - UCL Medical Physics and Biomedical Engineering
... acoustic frequency components of several tens of MHz can be generated, this requires element sizes and interelement spacing of the order of 50µm and wideband detection sensitivities of approximately 1kPa. Such performance is difficult to achieve using piezoelectric transducer arrays. The complexity ...
... acoustic frequency components of several tens of MHz can be generated, this requires element sizes and interelement spacing of the order of 50µm and wideband detection sensitivities of approximately 1kPa. Such performance is difficult to achieve using piezoelectric transducer arrays. The complexity ...