ARL Technical Proposal, Volume I
... ecosystems worldwide have been adversely affected by human disturbances within the backdrop of a “shifting baseline”. For example, according to estimates provided by the Global Coral Reef Monitoring Network, 30% of the world’s coral reefs have already been substantially degraded while another 30% ar ...
... ecosystems worldwide have been adversely affected by human disturbances within the backdrop of a “shifting baseline”. For example, according to estimates provided by the Global Coral Reef Monitoring Network, 30% of the world’s coral reefs have already been substantially degraded while another 30% ar ...
Single-shot implementation of dispersion-scan for the
... present work. Single-shot capability is of great interest, not only for low repetition rate lasers, where the nature of the experiments is inherently based on the shot-to-shot characterization of the system, but also for higher repetition rate systems where the reproducibility of the pulses may be a ...
... present work. Single-shot capability is of great interest, not only for low repetition rate lasers, where the nature of the experiments is inherently based on the shot-to-shot characterization of the system, but also for higher repetition rate systems where the reproducibility of the pulses may be a ...
Optical Microscopy Beyond the Diffraction Limit
... phenomena that were not previously accessible. The NAIL subsurface microscopy technique we describe significantly increases the NA without introducing an additional spherical aberration. Using the NAIL technique in the near infrared inspection of a Si IC, the theoretical lateral spatial resolution l ...
... phenomena that were not previously accessible. The NAIL subsurface microscopy technique we describe significantly increases the NA without introducing an additional spherical aberration. Using the NAIL technique in the near infrared inspection of a Si IC, the theoretical lateral spatial resolution l ...
Flat Panel Detector Technology
... or as a switch for read out, started with photodiode arrays. A layer of X-ray sensitive scintillator is placed over the Si photodiode. This combination is called Linear Diode Array (still popular in some applications like baggage inspection). Charge Coupled Devices (CCDs) with scintillator layer wer ...
... or as a switch for read out, started with photodiode arrays. A layer of X-ray sensitive scintillator is placed over the Si photodiode. This combination is called Linear Diode Array (still popular in some applications like baggage inspection). Charge Coupled Devices (CCDs) with scintillator layer wer ...
EELS
... ‣One can show that the EELS is a very good approximation of the EMLD ‣EMLDOS is a very concise description of optical excitations ‣The EELS is a map of the plasmons “eigenfunction” (with some marks... ‣The STEM-EELS is a decent plasmonic counterpart of the STM for ...
... ‣One can show that the EELS is a very good approximation of the EMLD ‣EMLDOS is a very concise description of optical excitations ‣The EELS is a map of the plasmons “eigenfunction” (with some marks... ‣The STEM-EELS is a decent plasmonic counterpart of the STM for ...
2. Spectral Stray Light
... measurements (Damm 2007) are illustrated in fig. 3. It can be seen that the spectral stray light can span 60 or more channels. The gap around channel 0 is due to the fact that only the out-of-band channels are shown (Damm 2007). While this method quantifies the stray light over “long ranges”, it is ...
... measurements (Damm 2007) are illustrated in fig. 3. It can be seen that the spectral stray light can span 60 or more channels. The gap around channel 0 is due to the fact that only the out-of-band channels are shown (Damm 2007). While this method quantifies the stray light over “long ranges”, it is ...
University of Maryland, Baltimore County
... 1. NASA lidar group did studies on one of the best reported commercial InGaAs photon counting APD product and found that within the claimed 10% DE, the portion of total counts caused by after-pulsing is 600% of that of the light count. 2. A test of after-pulsing duration can be done by increasing th ...
... 1. NASA lidar group did studies on one of the best reported commercial InGaAs photon counting APD product and found that within the claimed 10% DE, the portion of total counts caused by after-pulsing is 600% of that of the light count. 2. A test of after-pulsing duration can be done by increasing th ...
PDF Link
... in both time and space, and their behavior must be characterized through statistical quantities such as moments [1–3]. In imaging, because of field superposition [4], the second-order statistics is of particular interest. Field cross-correlation functions are measured whenever we study the relative ...
... in both time and space, and their behavior must be characterized through statistical quantities such as moments [1–3]. In imaging, because of field superposition [4], the second-order statistics is of particular interest. Field cross-correlation functions are measured whenever we study the relative ...
TO THE POSSIBILITY OF CALCULATION
... numbers at these frequencies. This fact poses serious constrains to the possibilities of the imaging systems that use them. Many times, the system has to include some kind of moving mirrors in order to scan the entire vision field. These limitations boost research towards finding alternative systems ...
... numbers at these frequencies. This fact poses serious constrains to the possibilities of the imaging systems that use them. Many times, the system has to include some kind of moving mirrors in order to scan the entire vision field. These limitations boost research towards finding alternative systems ...
Single camera spectral domain polarization
... Optical coherence tomography (OCT) [1,2] is a powerful non-invasive optical imaging technique that can acquire high resolution depth-resolved images in highly scattering tissue specimen. Polarization-sensitive optical coherence tomography (PSOCT) [3–5] enables polarization-dependent detection in OCT ...
... Optical coherence tomography (OCT) [1,2] is a powerful non-invasive optical imaging technique that can acquire high resolution depth-resolved images in highly scattering tissue specimen. Polarization-sensitive optical coherence tomography (PSOCT) [3–5] enables polarization-dependent detection in OCT ...
Synchronized ti scattering microscopy
... Raman scattering (CARS) [1] or stimulated Raman scattering (SRS) [2], allows label-free imaging of biological samples with endogenous image contrast based on vibrational spectroscopy. Imaging with high spatial resolution and speed up to video-rate were demonstrated previously [3]. Recently, SRS has ...
... Raman scattering (CARS) [1] or stimulated Raman scattering (SRS) [2], allows label-free imaging of biological samples with endogenous image contrast based on vibrational spectroscopy. Imaging with high spatial resolution and speed up to video-rate were demonstrated previously [3]. Recently, SRS has ...
Optimizing MRI Protocols Overview Image Contrast
... refocusing pulses (insensitive to Bo inhomogeneities) • Gradient Echo – manipulates image contrast by varying the excitation flip angle (fast scans) • Inversion Recovery – manipulates image contrast ...
... refocusing pulses (insensitive to Bo inhomogeneities) • Gradient Echo – manipulates image contrast by varying the excitation flip angle (fast scans) • Inversion Recovery – manipulates image contrast ...
to - UCL Medical Physics and Biomedical Engineering
... glass etalon8 have also been described for ultrasound imaging and field mapping. The use of a polymer film Fabry Perot (FP) sensing interferometer as an ultrasound sensor has also been studied principally as a single point detector for various photoacoustic9 and ultrasound measurement applications10 ...
... glass etalon8 have also been described for ultrasound imaging and field mapping. The use of a polymer film Fabry Perot (FP) sensing interferometer as an ultrasound sensor has also been studied principally as a single point detector for various photoacoustic9 and ultrasound measurement applications10 ...
GEOG3051_13 - UCL Department of Geography
... introduction to image handling and analysis first gained in GEOG2021 through a series of practical sessions over the first 3 weeks. These sessions will introduce image handling and data extraction using UNIX tools, and will develop basic programming skills. The lecture part of the course, starting i ...
... introduction to image handling and analysis first gained in GEOG2021 through a series of practical sessions over the first 3 weeks. These sessions will introduce image handling and data extraction using UNIX tools, and will develop basic programming skills. The lecture part of the course, starting i ...
Looking through walls and around corners with
... The complete experimental setups are presented in Supplementary Figures 1-2. All images excluding the color images of Fig.2c,e were obtained with a Watec WAT-120N CCD camera. The color images of Fig.2c,e were obtained with a Cannon EOS-400D SLR camera. Presented images are median-filtered and low-pa ...
... The complete experimental setups are presented in Supplementary Figures 1-2. All images excluding the color images of Fig.2c,e were obtained with a Watec WAT-120N CCD camera. The color images of Fig.2c,e were obtained with a Cannon EOS-400D SLR camera. Presented images are median-filtered and low-pa ...
Applications of multi-spectral satellite remote sensing
... • Earth observation (quarries and mines) • Infrastructure monitoring • Land survey and town planning • Forest management and fire monitoring • Mapping and monitoring of desertification ...
... • Earth observation (quarries and mines) • Infrastructure monitoring • Land survey and town planning • Forest management and fire monitoring • Mapping and monitoring of desertification ...
RESOLVING POWER AND MODULATION TRANSFER FUNCTION
... neutrons. The power of imaging is due to the fact that structurizing a 2-D area becomes possible in one exposure, at the same time the control of the imaging parameters allows selecting the image size, e.g. by demagnifying. However, the resolution achievable by the optical system limits the imaging ...
... neutrons. The power of imaging is due to the fact that structurizing a 2-D area becomes possible in one exposure, at the same time the control of the imaging parameters allows selecting the image size, e.g. by demagnifying. However, the resolution achievable by the optical system limits the imaging ...
Analysis of the Spectral Resolution of a TeO2 based Noncollinear
... AOTF has been used in a wide range of applications, such as laser wavelength tuning, spectral analysis, spectral imaging [1-3], and etc. TeO2 is a kind of A-O crystal with many applications in the large angular aperture noncollinear AOTF. Light diffraction by acoustic wave propagating in the A-O cry ...
... AOTF has been used in a wide range of applications, such as laser wavelength tuning, spectral analysis, spectral imaging [1-3], and etc. TeO2 is a kind of A-O crystal with many applications in the large angular aperture noncollinear AOTF. Light diffraction by acoustic wave propagating in the A-O cry ...
Presentation
... 10. Huang, D., et al. (1991). "Optical coherence tomography." Science 254(5035): 1178-1181 11. Drexler, W., et al. (2003). "Enhanced visualization of macular pathology with the use of ultrahigh-resolution optical coherence tomography." Arch Ophthalmol 121(5): 695-706. 12. Sattler, E., et al. (2013). ...
... 10. Huang, D., et al. (1991). "Optical coherence tomography." Science 254(5035): 1178-1181 11. Drexler, W., et al. (2003). "Enhanced visualization of macular pathology with the use of ultrahigh-resolution optical coherence tomography." Arch Ophthalmol 121(5): 695-706. 12. Sattler, E., et al. (2013). ...
Compressive Passive Millimeter Wave Imaging with Extended Depth of Field
... other obscurants, such as clothes and polymers. Millimeter waves are electromagnetic waves typically defined in the 30 to 300 GHz range with corresponding wavelengths between 10 to 1 mm. Radiation at these these frequencies is non-ionizing and is therefore considered safe for human use. Applications ...
... other obscurants, such as clothes and polymers. Millimeter waves are electromagnetic waves typically defined in the 30 to 300 GHz range with corresponding wavelengths between 10 to 1 mm. Radiation at these these frequencies is non-ionizing and is therefore considered safe for human use. Applications ...
Techniques to Improve 3D Optical Imaging
... animal thereby reducing the amount of tissue light propagates through. A direct comparison showing that compression increases signal levels is shown. Reconstructions for a compressed and uncompressed animal models will be shown co-registered to μCT data for cross validation. Sensitivity of fluoresce ...
... animal thereby reducing the amount of tissue light propagates through. A direct comparison showing that compression increases signal levels is shown. Reconstructions for a compressed and uncompressed animal models will be shown co-registered to μCT data for cross validation. Sensitivity of fluoresce ...
Rev.Sci.Instrum.
... efficiency of the poling process of a waveguide for electrooptical applications was assessed. All the above mentioned imaging techniques work under an oblique angle of incidence. As a result some peculiarities exist which have to be taken into account in the design of the instrument. The present con ...
... efficiency of the poling process of a waveguide for electrooptical applications was assessed. All the above mentioned imaging techniques work under an oblique angle of incidence. As a result some peculiarities exist which have to be taken into account in the design of the instrument. The present con ...
DZ33758761
... using green, red and near-IR bands having assigned the display guns blue, green and red respectively. Each crop having their own distinct internal structures, some crops may have similarities, and due to distinctness of each crop they have different spectral signatures. It.is complicated to classify ...
... using green, red and near-IR bands having assigned the display guns blue, green and red respectively. Each crop having their own distinct internal structures, some crops may have similarities, and due to distinctness of each crop they have different spectral signatures. It.is complicated to classify ...
Hyperspectral imaging
Hyperspectral imaging, like other spectral imaging, collects and processes information from across the electromagnetic spectrum. The goal of hyperspectral imaging is to obtain the spectrum for each pixel in the image of a scene, with the purpose of finding objects, identifying materials, or detecting processes.Much as the human eye sees visible light in three bands (red, green, and blue), spectral imaging divides the spectrum into many more bands. This technique of dividing images into bands can be extended beyond the visible. In hyperspectral imaging, the recorded spectra have fine wavelength resolution and cover a wide range of wavelengths.Engineers build hyperspectral sensors and processing systems for applications in astronomy, agriculture, biomedical imaging, geosciences, physics, and surveillance. Hyperspectral sensors look at objects using a vast portion of the electromagnetic spectrum. Certain objects leave unique 'fingerprints' in the electromagnetic spectrum. Known as spectral signatures, these 'fingerprints' enable identification of the materials that make up a scanned object. For example, a spectral signature for oil helps geologists find new oil fields.