Optical coherence tomography (OCT) is an optical signal acquisition and processing method allowing extremely high-quality, micrometer-resolution, three-dimensional images from within optical scattering media (e.g., biological tissue) to be obtained. In contrast to other optical methods, OCT, an interferometric technique typically employing near-infrared light, is able to penetrate significantly deeper into the scattering medium, for example 3 deeper than its nearest competitor, Confocal microscopy. Depending on the use of high-brightness and ....etc

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Development of Spectral Domain Low Coherence Interferometry for the Measurement of Multilayer Structure

By
Anup Kumar Sharma
(2008JID2939)

Under The guidance of
Dr. D. S. Mehta


Instrument Design & Development Centre
Indian Institute of Technology
Delhi

Contents
Basic principle of Low Coherence Interferometry (LCI).
Low coherent sources
Coherence gating
Fourier Domain Low Coherence Interferometry
Objective
Realization of Spectral Domain LCI using Michelson Interferometer
Work d ....etc

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a report by
Dwight E Heron, MD
Technological advances in the field of radiation oncology over the last decade have revolutionized care for cancer patients in the US and worldwide. These technological advancements have been both hardwareand software-based. More importantly, however, a major shift in the clinical paradigm exemplifies this ground-breaking change. Innovative approaches incorporating both technological and clinical changes have resulted in a complex and elegant mix of imaged-based approaches using computed tomography (CT), ....etc

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The Digital Library initiative at RGUHS is first of its kind in the country in promoting e-learning culture and e-readiness preparedness for accessing huge amount of scholarly international Medical e-journals and e-books. With the State-of-the-art infrastructures, RGUHS developed the Digital Library and information centre for identifying, procuring, storing, processing, disseminating the Scholarly information resources in the field of Health Sciences by minimizing the cost of recurring expenditure in the libraries of affiliated colleges and con ....etc

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Clinical study and management of small pupil with cataract
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Optical Coherence Tomography (OCT)

Introduction
Optical Coherence Tomography (OCT) is an imaging technique that is similar in principle to ultrasound, but with superior resolution. It relies on exposing a sample to a burst of light and then measuring the reflective response from different depths and is therefore capable of scanning non-invasively beneath the surface of the sample. In ultrasound imaging, it is relatively easy to measure the time delay of each reflected packet. However, for light pulses, interferometry must be used to measure ....etc

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