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Masters Dissertations : Laser: Recent submissions
Now showing items 61-68 of 68
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(sudan university of scince and technology, 2009-05-01)In this work some optical attenuators and filters for some wavelengths in the visible and infrared regions of the electromagnetic spectrum were designed and fabricated. The selected materials in this work were Calcium ...
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(Sudan univresity of scince and technology, 2009-06-01)In this work transmitted intensity through some material was measured using laser wavelengths (940 & 810) nm in the near infrared region then the absorption coefficients of these materials were determined and evaluated. The ...
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(sudan university of scince and technology, 2010-12-01)The objective of this research was the utilization of laser induced breakdown spectroscopy (LIBS) technique in investigation of elements in three different kinds of gasoline. Q-switched-Nd: YAG Laser with 10 (ns) pulse ...
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(Sudan univresity of scince and technology, 2010-03-01)Chaotic dynamics are at the center of multiple studies to perfect encrypted communication systems. Indeed, the particular time evolution nature of chaotic signals constitutes the fundamentals of their application to ...
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(sudan university of scince and technology, 2011-03-01)The aim of this research was the study of Phenoxazone 9 dye photosensitization; By using coherent and non coherent light sources; The emission spectroscopy was used to investigate the production of singlet oxygen, which ...
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(sudan univesity of scince and technology, 2011-04-01)The objective of this research was the utilization of diode lasers to enhance the hardness of chemical cure composite dental restorative material. Three samples were prepared, the first one was irradiated with 675 nm ...
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(sudan univesity of scince and technology, 2011-03-17)We have studied Laser orientation system which is an important instrument for many applications as laser range finder, laser tracking and laser pollution detection. And also we describe how to design and construct laser ...
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(sudan university of scince and technology, 2008-08-01)The flowers of Hibiscus sabdarifa were extracted with acidified methanol. The Anthocyanin of Hibiscus sabdarifa was obtained as red needles from absolute ethanol. A dye laser operating at 520 nm was used to bleach the ...
Now showing items 61-68 of 68
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