منابع مشابه
A photothermal ”mirage” imaging system
We describe a scanning mirage microscope system that uses a diode probe laser. The sample is raster scanned using X-Y motorised microstepping stages under an Ar+ pump beam to give two dimensional scans and depth profiles. The results for a test sample are given and are compared to that obtained by scanning using a conventional large photoacoustic (PA) cell.
متن کاملMIRAGE: Calibration Radiometry System
The advent of high resolution infrared resistor arrays, has greatly increased the level of fidelity of infrared sensor testing that can be accomplished in the cost effective laboratory environment. However, the sensor output image quality depends on the uniformity of the projector array. In addition to the advanced proprietary design and fabrication process used to create a highly uniform emitt...
متن کاملPhotothermal laser speckle imaging.
The analysis of speckle contrast in a time-integrated speckle pattern enables visualization of superficial blood flow in exposed vasculature, a method we call laser speckle imaging (LSI). With current methods, LSI does not enable visualization of subsurface or small vasculature, because of optical scattering by stationary structures. In this work we propose a new technique called photothermal L...
متن کاملPhotothermal imaging bundle system for estimating tissue oxygen saturation
The objective of this study is to validate a method for the measurement of tissue oxygen saturation level via a thermal imaging bundle in-vitro and in-vivo. The method consists of a thermal imaging system and an algorithm which estimates the compound concentration according to the temperature rise of the tissue. A temperature rise is obtained by illuminating the tissue in the NIR range and is m...
متن کاملMIRAGE : a system for distributed image generation on workstation clusters
This thesis describes an efficient and robust implementation of the "Supervisor-Worker" model for distributing and coordinating the parallel tasks of image generation[l] . Image generation by ray-tracing is well suited for effective distributed processing due to its intensive computations and its ability to be divided into independent components. A system for utilizing clusters of interconnecte...
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ژورنال
عنوان ژورنال: Le Journal de Physique IV
سال: 1994
ISSN: 1155-4339
DOI: 10.1051/jp4:1994722