Masters Dissertations : Laser: Recent submissions

  • Determination of the Optical Properties of Fabricated CuSO4 Thin Films 
    Abd Alraheim, Yousif Hassan Alsheikh; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science & Technology, 2015-08-13)
    In this work, a known concentration of CuSO4 dissolved in distilled water in order to fabricate thin films on glass substrate of (1.5) refractive index and (1.2) mm thickness by evacuation method in the presence of laser ...
  • 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- ...
  • Determination of Spectroscopic Changes in Caries Teeth Using Laser Induce Breakdown Spectroscopy (LIBS) 
    Wsnaa, Ali Eltayeb Ibrahim; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science and Technology, 2014-05-01)
    Dedication To the spirit of my father . To my family ( mother, sisters and my brother). To all my great teachers. To all colleagues , friends and anyone who helped me to finish this research . . ii Acknow ...
  • Exploration of Singlet Oxygen Emitted After Irradiation of Dibenzocyanine 45, MethyleneBlue and Rhodamine 6G Dyes Using Lasers with Different Wavelengths 
    Taher, Ahmed Abubaker Mohamed; Supervisor,-Nafie Abd Allattief Almuslet (Sudan University of Science & Technology, 2014-03-01)
    The aim of this research was to explore the singlet oxygen emitted after irradiation Dibenzocyanine 45, Methylene Blue and Rhodamine 6G dyes after irradiation using two lasers with different wavelengths, so that the ...
  • 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. ...
  • Determination of Elements in Three Samples of Sudanese Benzene Using Laser Induced Breakdown Spectroscopy (LIBS) 
    Dawod, Sofyan Sharafedin Mohamed; Supervisor,-Nafie Abd Allattief Almuslet (Sudan university of Science and Technology, 2014-04-10)
    The objective of this work was the utilization of laser induced breakdown spectroscopy (LIBS) technique in investigation of elements in three different types of Sudanese benzene. Q-switched –Nd: YAG Laser with 10 ns pulse ...
  • Design &Implementation Of Explosive Circuit Using Diode Laser(695nm) 
    Hassan, Mona Abd Alrhman Omer; Supervisor, - Abdelmoneim M. Awadelgied; Supervisor, - Abdalla Salih Ali (Sudan University of Science & Technology, 2014-01-01)
    An explosive circuit was designed. It was consist of laser source, laser detector, digital counter and detonator. It is excited by laser diode beam (695nm) from a transmitter. The circuit operates when the laser beam was ...
  • Comparative Study of Emulsion Qualities of Sudanese Gums Using Laser Light Scattering 
    Satti, Amira Abd El-Aziz El hassan; Supervisor, - Elfatih Ahmed Hassan; Co - Supervisor, - Nafie Abd Al-Lattief (Sudan University of Science and Technology, 2004-12-01)
    This study proposed and tested a simple, yet highly effective, and fairly accurate laser light scattering system for evaluation of emulsion’s functionality of emulsifying agents and their blends. The laser light scattering ...
  • Determnation Of Optical Parameters of Dye Lasers Coumarin500 and Rhodamine 6G in Different Solvents 
    Abdelkarim, Alaeldean Abd Allah Mohamed; Supervisor, - Mubarak Elmahal Ahmed (Sudan University Of Science and Technology, 2013-03-01)
    The primary goal of this research is to obtain laser radiation from two dyes, (Coumarin500 & Rhodamine 6G), study the resulted laser properties and study the effect of different solvents on the laser output. In this ...
  • Effect of Diode Lasers(675nm & 810nm) in Hardness of Dental Ceramic 
    Yagoub, Samia Omer; Supervisor, -Mubarak Elmahal Ahmed; Co - Supervisor, - Elhadi Mahi Eldeen Awooda (sudan University of Science and technology, 2013-10-03)
    This research was study the effect of diode laser in hardness of the material used in the combinations of teeth (ceramics) by using the hardness tester (TH 160) to test the hardness . 2 Hardness was measured for samples ...
  • Measurement &Evaluation of Scattered Laser beam and Reflectivity of Some Surfaces as a Means of Laser Safety 
    FARAH, ATIFA BUSHRA MOHAMED; Supervisor, - WAFA SALIH ABD EL-RAHAMAN (sudan university of scince and technology, 2009-02-02)
    Abstract In this study linear and angular scattered intensity of different samples were measured also the reflectivity of samples as a mean of safety was determined. Samples were chosen according to the, availability ...
  • 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 ...
  • Nondestructive Testing Using Laser Holography to Detect Arc-welding Defects 
    Ahmed, Gaffar Abdo Al hamed Mohammed; Supervisor, - Atta Abdalla Fadlalla Co - Supervisor, - Nafie Abd Al-Lattief (sudan university of scince and technology, 2005-01-08)
    Plates of mild steel, welded by arc-welding, had been tested using laser holography technique for inspecting the welding defects: cracks, porosity and inclusions in these plates. Also the same specimens had been inspected ...
  • IRRADIATION EFFECT OF He -Ne LASER ON THE BACTERIA CAUSING URINARY TRACT INFECTIONS 
    Ebrahim, Mona Mohamed; Supervisor, - Nafie Abd Al-Lattief; Co - Supervisor, - Samia Ahmed Gumaa (sudan university of scince and technology, 2005-03-01)
    * This study aimed to determine the effect of He-Ne laser 10 mW and 632.8 nm wavelength on bacteria that can cause Urinary Tract Infection in the presence of the photosensitizers. Toluidine blue(TBO) and crystal ...
  • Design and construction of a controlled Laser Switch 
    Abass, Mohammed Margani Rashed; Supervisor, - Mubarak Almahal Ahmed (sudan university of scince and technology, 2005-02-04)
    ‫A laser control system was designed and constructed in this work. Diode laser with wavelength 670nm and output power 1mW was used to operate the 555 timer and JK flip-flop for a different time intervals. The time high ...
  • 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 ...
  • Design and implementation of remote switching circuit utilizing I.R laser 
    Abdelgadir, Abdelkarim Mohammed; Supervisor, - Nafie Abd Al-latif; CO - Supervisor, - Osman Mohammed Dafallah (sudan university of scince and technology, 2006-08-05)
    The aim of this work is to design and implement a circuit that can be switched by infrared laser (IR) source. The function of IR laser is to carry the binary coded control signal to a receiver location at which the ...
  • Design and construction of Laser diode driver 
    Abd-Elgalil, Hysam Hassan; Supervisor, - Abdel rasoul Jabar Alzubidi Co-Supervisor, - Ahmed sabah Elkher (sudan university of scince and technology, 2005-12-05)
    In the recent years semiconductor laser substitute the others types of laser in many fields and that is due to it is simplicity and easy to use. The main idea of this thesis is to design and construct of laser diode driver. ...
  • Design, Fabrication and Testing of Thermistor Detector 
    Maruod, Abbas Babiker Ali; Supervisor, - Kasim M. Al-Hity Co - Supervisor, - Yahia Abdulla Mohamed (sudan university of scince and technology, 2006-03-01)
    Abstract The main idea of this thesis is to design and fabricate an infra-red detector, specially the disk type of NTC thermistor. And to test it’s operation and response to different levels of laser power . The challenge ...
  • COMPARITIVE STUDY BETWEEN LOW LEVEL LASER THERABY AND CHLORHEXIDINE ON TREATMENT OF GINGIVITIES 
    Saqer, Buthaina Amin; Supervisor, - Nadia Ahmed Yahia Co - Supervisor, - Mahdi A.Suker (sudan university of scince and technology, 2006-01-05)
    The high level laser therapy (HLLT) treatment in dentistry have been assured as a very successful method, but the low level laser therapy (LLLT) is still limited and under researches. In this study a compare ...

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