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Browsing Masters Dissertations : Laser by Issue Date

Browsing Masters Dissertations : Laser by Issue Date

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  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • Beteik, Mohammadi Hassan Mohammadi; Supervisor, - Nafie Abdel Latif CO - Supervisor, - Abdel-Karim Babiker Haroun (sudan university of scince and technology, 2006-02-01)
    In this work, which was done in two phases, Nd: YAG Lasers were chosen to be the tool for cutting 2mm thick commercial Perspex sheets. In phase one, pulsed laser output from the YAG-50 Laser Scribing Machine was used ...
  • Elbadawi, Mutaz Abdalla; Supervisor, - Saad Daoud Sulieman CO - Supervisor, - Mubarak AlMahal Ahmed (sudan university of scince and technology, 2006-03-01)
    In this work, the RSA (Rivest, Shamir, Adelman) cipher system was implemented by software. The data in form of speech waveform have been recorded by using a computer microphone. These digital speeches were encrypted, ...
  • 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 ...
  • AHMED , HALA JAFAR ALAMIN; Supervisor,- BABIKER OSMAN ElBASHIR (sudan university of scince and technology, 2006-05-01)
    In this research we are studied the hardness of the amalgam teeth filling material by utilizing Brinell harness test apparatus. Several tests were carried out on different amalgam mixtures that were subjected to irradiation ...
  • 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 ...
  • 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 ...
  • Abu Elnuor, Abu Elnuor Abdeen Ali; Supervisor, - Nafie Abdel Latif CO - Supervisor, - Sabir Mohammed Salih (sudan university of scince and technology, 2006-10-01)
    This research aimed to compare between two soldering techniques, conventional and laser methods. Metallic pieces were joined in two ways: butt and overlap as known soldering designs. The test pieces were soldered manually ...
  • 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) ...
  • Ibrahim, Saad El-Din El-Sadig Mohammed; Supervisor, - Nafie Abdel Latif Supervisor, -co-Abdalla Salih Ali (sudan university of scince and technology, 2007-09-01)
    In this work, the I-V characteristics of the silicon diode were investigated by applying 5W from CW Nd: YAG laser for 10, 20, and 30 seconds, respectively. The results showed that different exposure times changed the ...
  • Elmahi, Sulafa Omer Elghorashi; Supervisor, - Abdelmoneim M. Awadelgied Co - Supervisor, - Mohmmed H. Abuuznien (sudan university of scince and technology, 2007-09-01)
    One of the difficult duties in chemical industrial units is the determination of the level of liquid for real – time monitoring. Determination of this parameter is useful in process control loop. Hence present study is ...
  • 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 ...

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