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Browsing Masters Dissertations : Laser by Title

Browsing Masters Dissertations : Laser by Title

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  • The Optical Fiber Electrical Current Sensor 
    Ahmed, Sulieman Eldoud Bashir; Supervisor, - Mubarak Almahal Ahmed Co - Supervisor, - Eisa Bashier Mohammed (sudan university of scince and technology, 2007-09-01)
    In this work an optical fiber current sensor was designed and implemented using helium-neon laser (with wavelength of 632.8 nm and power of 1 mW) as light source, single mode fiber based sensing element and photomultiplier ...
  • Photobleaching of anthocyanins using tunable dye laser 
    Ahmed,Wafa Omer; Supervisor, - Ahmed Hassan S. Elkheir (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 ...
  • Photodegradation of Chloroform Molecules Using Fe2O3Photocatalyst 
    Khairi, Aisha Darwish Mohammed Khalid; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science And Technology, 2015-11-25)
    In this work a simple and active photocatalysis system was used to degradate chloroform from wastewater by irradiation with monochromatic UV light source with output power of 1200 mW and 365 nm wavelength. Fe2O3 ...
  • Photodegradation of Malachite Green Molecules Using CuO Photocatalyst 
    Mohamed, Amani Mohamed Yosif; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2016-04-10)
    In this work the toxic Malachite green was degraded using photodegradation technique, in which a LED emitting at 365 nm and power 1200mW was used as UV source. It stimulate the copper oxide (CuO) to interact with Malachite ...
  • Photodegradation of Methyl Orange Molecules Using Laser Photocatalysis 
    Abdlrhman, Hayfaa Taj Elsier Ahmed (Sudan University of Science and Technology, 2017-05-17)
    In this work, a UV light emitting diode (LED) with a wavelength of 365 nm and power 1200 mW was used as UV source for the photodegradation of methyl orange molecules by stimulating zinc oxide, as a catalyst, to interact ...
  • Photodegradation of Rhodamine 6G molecules Using TiO2 photocatalyst 
    Mohamed Salih, Mohamed Ahmed Mahgoub; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science & Technology, 2014-03-01)
    In this research different amounts of semiconductor photocatalyst (TiO2) were added to Rhodamine 6G and the mixture were irradiated by narrow band of wavelengths of Ultra violet light in the range of 270 to 280 nanometers. ...
  • Production of polyacrylamide from monomer using laser 
    El-ameer, Abeer A. E. El-ameer; Supervisor, - Mohmmed A. Elkareem; Co-Supervisor,-Nafie A. Almuslet (Sudan University of Science & Technology, 2005-06-05)
    This work aims to study visible laser-induced polymerization of acrylamide. Three individual drops of the polymerization mixture were irradiated with He-Ne laser-emitting at 632.8 nm with output power of 1mW-for different ...
  • Production of Singlet Oxygen From (Eosin blue, Rosa Bengal and Safranin O) Dyes Using Coherent and Incoherent Light Sources 
    El-haj, Marwa Hassan Hijazi; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-10-25)
    In this work the possibility of production of singlet oxygen was investigated for three dyes, namely (Eosin blue, Rose Bengal and Safranin O) after irradiation by two light sources: the first is green diode laser with ...
  • Quality Assessment of Medical Heparin Using Laser Scattering Technique 
    Mohammed, Ebdaa Salahudeen; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2018-02-09)
    In this work, the goodness of the medical Heparin (concentration) was checked using the principle of laser scattering. A simple setup consists of diode laser with wavelength 532 nm and output power of 100 mW and USB ...
  • A study of Human Skin Optical Properties Using a New Dispersion Law 
    El Basher, Esaad Taha Eltaieb; Supervisor, -Siddig Tawer Kafi; Co-Supervisor, -Arbab Ibrahim Arbab (Sudan University of Science and Technology, 2017-11-07)
    In this study, a new dispersion law was presented and applied to study the optical properties of human skin, as well as the general behavior of this law, which was developed by Dr. Arbab Ibrahim Arbab, in which stated that ...
  • Study of Kerr effect on the transmission of He-Ne laser through atmosphere 
    Malik, Gamal Ahmed; Supervisor, - Ahmed H-Sabahalkheir (sudan university of scince and technology, 2005-05-10)
    This work aimed to study the Kerr effect on the transmission of He-Ne laser through atmosphere. Kerr cell was used as a modulator to modulate the signals that had been generated from a signal generator. The cell is ...
  • study of Microbending effect on Laser communication as pressure Sensor 
    Ali, Essam Elgeily Ahmed; Supervisor, - Mubarak Almahal Ahmed (sudan university of scince and technology, 2004-12-16)
    The microbending is one of the passive processes that are undesired in the optical communication field. That is as it affects –during communication- in attenuating signal and noises the optical fibers. But it might be ...
  • Study of Photosensitization Process for Phenoxazone 9 Dye Using Coherent and Incoherent Light Sources 
    Taher,Nazik Mohamed Hassan; Supervisor,-Nafie Abd Allattief Almuslet (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 ...
  • Surface Hardening of Carbon Steels by High power CO2 Laser 
    Ahmed,Abdel Salam Elshiekh Idris; Supervisor, - Nafie Abd Al-Lattief Co -Supervisor,- Sabir Mohammed Salih (sudan university of scince and technology, 2006-05-01)
    In this work surface hardening treatment of carbon steel specimens, that having a carbon contents ranging between 0.25 and 2.44%, was done using CO2 laser having 10.6μm wavelength, 100μm spot size and with powers ranged ...
  • Usage of different lasers to produce emission of light from some dyes 
    Mohammed, Nahla Elballola Ahmed; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2016-03-07)
    In this work, the emission of some dyes were studied after excitation by different lasers. The emitted light can be used for different applications including Photodynamic Therapy (PDT). The dyes were preparedfrom (Alcain ...
  • Usage of laser emission spectroscopy to produce singlet oxygen from Methylene blue, Eosin yellow and Fluorscin 
    Osman, Ibrahim Slah Mohammed (Sudan University of Science and Technology, 2017-05-17)
    In this work the emission of singlet molecular oxygen at room temperature was determined by using spectroscopic method. The dyes were preparedfrom (Methylene blue, Eosin yellow and Fluorscin dissolving in methanol ...
  • Using Laser Absorption Spectroscopy Technique in Measuring Some Blood Components Concentration 
    El Shazly ,Moutasem Abu El Hassan; Supervisor, - Ahmed Hassan Sabahalkheir (sudan university of scince and technology, 2008-04-01)
    In this work, a measurement of the concentration for (Albumin, Urea, Phosphorous, Calcium, and Total protein.) in human blood is obtained using the He-Ne laser and compared to results that achieved by the conventional ...
  • Utilization of Coherent and Incoherent Light Sources For Phenol Degradation Via Photocatalysis Technique 
    Ahmed, Yasmeen Hafiz Zaki; Supervisor, -Nafie Abd Al-Lattief Supervisor- co , -Mohmed Ali Hussen (sudan university of scince and technology, 2009-07-01)
    In this research study, a simple and active photo-catalysis system was assembling. It consists of a UV monochromatic light source, quartz cell (which is transparent to UV) to hold the sample and magnetic stirrer. The ...
  • Utilization of Different Laser Systems to Determine the Optical Properties of Chloroform and Rhodamine 6G Thin – Films in Nanometer Scale 
    Mohammed,Suliman E. Elhadi; Supervisor, - Nafie Abd Al. Latif (sudan university of scince and technology, 2007-09-01)
    In this work thin films were produced from (Chloroform and Rhodamine 6G) deposited on glass substrate that has a thickness (1mm) and refractive index (1.3) in a vacuum chamber firstly; without heating (at room temperature) ...
  • Utilization of Diode Lasers (675nm and 820nm) in Enhancing Hardness of Chemical Cure Composite for Dental Filling 
    Nasraldeen,Nasraldeen Mohamed ali; Supervisor,-Nafie Abd Allattief Almuslet (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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