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Browsing Masters Dissertations : Laser by Title

Browsing Masters Dissertations : Laser by Title

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  • 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 ...
  • Wavelengths Calibration of some Laser systems 
    Abd Elkareem, Mohamed Ahmed; Supervisor, - Abd elmoneim M. Awadelgied (Sudan University of Science and Technology, 2014-12-08)
    In this research calibration of some laser equipment in the clinic of the laser institute of the university of Sudan(Omega xp and Orillia) was per formal together with some other devices (diode laser second harmonic, He- ...

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