6 Result(s)
within
Article
H. P. Urbach
-
Article
Effects of whispering gallery mode in microsphere super-resolution imaging
Whispering Gallery modes have been presented in microscopic glass spheres or toruses with many applications. In this paper, the possible approaches to enhance the imaging resolution by Whispering Gallery modes...
-
Article
Open AccessCreation of an anti-imaging system using binary optics
We present a concealing method in which an anti-point spread function (APSF) is generated using binary optics, which produces a large-scale dark area in the focal region that can hide any object located within...
-
Article
Open AccessA sensitive optical micro-machined ultrasound sensor (OMUS) based on a silicon photonic ring resonator on an acoustical membrane
With the increasing use of ultrasonography, especially in medical imaging, novel fabrication techniques together with novel sensor designs are needed to meet the requirements for future applications like three...
-
Article
Open AccessPerformance analysis of coherent optical scatterometry
Scatterometry is a well established technique currently utilized in research, as well as in industrial applications, to retrieve the properties of a given scatterer (the target) by looking at how the light com...
-
Article
On the determination of dopant-concentration profiles by grazing emission X-ray fluorescence spectroscopy using the maximum-entropy method
The determination of concentration profiles of impurities in silicon from angle scans of emitted x-ray fluorescence intensities using the maximum-entropy method is studied. Existence and convergence properties...
-
Article
New methods to prepare high-purity silica
Two methods are described to prepare high-purity silica to be employed as a low-cost starting material for solar-grade silicon production. In the first process, abundantly available quartz sand is purified by ...
