Low-coherence
Low coherence interferometric imaging: solution of the one dimensional inverse scattering problem
... a low coherence interferometric microscope is a Michelson interferometer with a low-coherence light source (a super-luminescent ...of low coherence is used, the detector only ...
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Optical-coherence tomography, extension to imaging of low coherence interferometry
... We have shown that low coherence interferometry, in its OCT version, can provide high resolution information on the internal structure of different objects. The present study highlights the potential of OCT ...
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Refractive Outcomes Using the Lenstar Optical Low Coherence Reflectometry Biometer in Phacovitrectomy for Epiretrinal Membranes and Macular Holes
... optical low-coherence reflectometry (OLCR) biometer in the following cases: phaco- vitrectomy for epiretinal membranes and macular holes (phacovitrectomy group); sequential cataract surgery after prior ...
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Association between retinal vein occlusion, axial length and vitreous chamber depth measured by optical low coherence reflectometry
... Optical low coherence reflectometry (OLCR) provides high-resolution non-contact measurements of ocular bi- ometry using superluminescent diode light source that measures the ocular AL as a distance from ...
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In vivo Micro-Tomographic Visualization of Capillary Angio-Dynamics Around Upper Dermis Under Mechanical Stimulus Using Low Coherence Interferometer “Optical Coherence Doppler Velocigraphy”
... Optical Coherence Tomography (OCT) can tomographically visualize tissue morphology with the spatial resolution of 1 to 10 µm by detecting low coherent interference signals of backscattered light from the ...
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Spectral composition of low-coherence interferograms at high numerical apertures
... Figure 2 confirms these considerations. Figure 2a shows spectra of simulated CSI signals assuming NA values of 0.14, and 0.9, respectively. For comparison the spectrum of the light source assumed for the simulation is ...
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Low coherence fibre optic Fabry-Perot sensors suitable for multiplexed strain measurement
... A single receiver interferometer at the output selectively reconstracts the interference associated with individual sensors when its optical path difference is timed to match that of ea[r] ...
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Learning Overcomplete, Low Coherence Dictionaries with Linear Inference
... Figure C4: Coherence control costs do not all recover mixing matrices well. All ground truth mixing matrices were generated from the Soft Coherence cost and had a data dimension of 32. Color and line style ...
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Comparison of agreement and efficiency of a swept source-optical coherence tomography device and an optical low-coherence reflectometry device for biometry measurements during cataract evaluation
... source-optical coherence tomography (SS-OCT) with a tunable laser of 1,055 nm as a light source, which generates optical B-scans allowing cross-sectional visualization of the ...
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Low coherence fibre interferometry with a multi-wavelength light source
... Among the sensor systems utilising Fabry-Perot interferometers, of particular interest are sensors that employ an in-line Fabry-Perot etalon [Singh and Sirkis, 1996, Jin and Sirkis, 199[r] ...
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Drastic Improvement of Change Detection Results with Multilook Complex SAR Images Approach
... (SAR) coherence to measure subtle ground changes in the imaged ...the coherence estimator is biased for low coherence values, resulting in a highly degraded change detection ...improve ...
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A review of the applications of OCT for analysing pharmaceutical film coatings
... Owing to a comparatively shorter wavelength and low coherence length, OCT can achieve a high axial and lateral resolution (0.9 µm and 20 µm, respectively) and is capable of quantifying film coatings as thin ...
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Improving Ccd Performance by the Use of Local Fringe Frequencies
... interferometric coherence between two SAR images is evaluated and analyzed to detect surface ...sample coherence estimator is biased, especially for low-coherence ...of coherence inside ...
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Comparison of a new optical biometer and a standard biometer in cataract patients
... optical low coherence reflectometry (OLCR) biometer (OA-2000) and the gold standard partial coherence interferometry (PCI) optical biometer (IOLMaster ...
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Evaluation of retinal nerve fiber layer thickness and optic nerve head changes in early to moderate glaucoma patients and compare them with age matched individuals using spectral domain optical coherence tomography
... Optical coherence tomography works under the principle of low-coherence interferometry to determine the echo time delay and magnitude of backscattered light reflected off an object of ...Optical ...
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"Handbook of biomedical optics", edited by David A. Boas, Constantinos Pitris, and Nimmi Ramanujam
... Fourier-domain low-coherence interferometry (chapter 23) and phase imaging microscopy (chapter 24), over confocal microscopy (chapter 25) and fluorescence microscopy (chapter 26), to digital holographic ...
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Optical endomicroscopy and the road to real-time, in vivo pathology: present and future
... Angle-resolved low coherence interferometry (a/LCI), a light-scattering technique, identifies early dysplasia based on nuclear diameter differences ...optical coherence tomography (OCT) ...
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Accuracy of swept-source optical coherence tomography based biometry for intraocular lens power calculation: a retrospective cross–sectional study
... For many years, US had been the only technique used to measure AL in clinical practice [2]; however, recently, the use of optical biometry has increased due to advan- tages pertaining to non-invasiveness and ...
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Low Spatial Coherence High Power Electrically Injected 6xx nm Dual Emitter Laser
... The speckle contrast is a value from 0 to 1. The low-spatial coherence equivalent to the low C which means the less influence on the image quality. However, there is still no standard method to ...
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Robustness of coherence : an operational and observable measure of quantum coherence
... These results reveal that one can readily estimate the RoC from below in laboratory, by measuring any observable W obeying the constraints in (7), with no need for full to- mography of the state ρ. This may be ...
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