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Browsing Masters Dissertations : Laser by Title

Browsing Masters Dissertations : Laser by Title

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  • Annealing of some diodes and trimming of carbon resistors using CW Nd 
    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 ...
  • Calibration and Measurement the Spectral Rang of Laser Goggles 
    Osman, Islam Mohammed; Supervisor, - Ali Abdel Rahman Saeed Marouf (Sudan University of Science & Technology, 2015-12-10)
    Appropriate eye protection is a prerequisite for the safe operation In industrial and laboratory environments. In this thesis some laser goggles in the clinic of the laser institute of Sudan university of Science ...
  • Cleaning Rust of Iron using Pulsed CO2 Laser 
    Abd Elwahab, Ahmed Abd Elwahab Ahmed (Sudan University of Science and Technology, 2017-05-05)
    As general laser properties it’s unique, are used in a wide variety of applications in all walks of life. The common problem to metal industrial is rust. The rust is a layer coated surfaces of metallic object which decreases ...
  • 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 ...
  • Comparison of the Effect of Different Lasers Wavelengths and Powers on Teeth Bleaching 
    Mohamed, Setana Abd alhi; Supervisor, -Ali Abdel Rahman Saeed Marouf (Sudan University of Science and Technology, 2017-12-03)
    Lasers have been long introduced in dentistry. Today lasers are been used for Endodontic, Periodontal, Oral Surgery as well as restorative procedures. Here, the effect of different wavelengths on teeth bleaching and in ...
  • 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 ...
  • 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 ...
  • Design & Construction of Laser Guiding System 
    Saeed,Nasreldeen Adam Easshag; Supervisor, - Abdelmoneim M. Awadelgied (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 ...
  • Design & Implementation of Optical Fiber Liquid Level Sensor Using He-Ne Laser 
    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 ...
  • 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 ...
  • 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 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 Implementation of Rotation Speed Sensing System Using Diode Laser 671 nm 
    Elbashir, Abeir Mohamed Ahmed; Supervisor,-Nafie Abd Allattief Almuslet; Supervisor,-Saad Daoud (sudan university of scince and technology, 2009-03-01)
    This study aimed to design and implement a rotation speed sensor by using diode laser (671 nm, 50 mW). The system is composed of photodetector received the laser light signal as pulses because of the use of disk plate ...
  • Design and implmtation of Optoisolation circut of E.C.G machine using 650nm diode laser 
    Hamad, Areej Awad Allah Mohemmed; Supervisor, - Saad Daoud Supervisor-co , - Kasim M.Al Hity (sudan university of scince and technology, 2008-10-23)
    Electrical safety and more explicityly, patient shock hazard associated with the use of biomedical electronic equipments has become controversial and embrassing subject and become a continuously growing problem. Great ...
  • Design and Operation of A portable Laser Absorption System to Detect NO2 gas Concentration 
    Taha‬‬,Maria Mohammed Ossman; Supervisor,-Nafie Abd Allattief Almuslet (sudan university of scince and technology, 2008-02-01)
    In this study a portable laser absorption system was designed and operated to detect nitrogen dioxide gas (NO 2) concentration which is a common air pollutant, by means of measurements of laser beam intensity transmitted ...
  • 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 ...
  • Designing & Testing Laser Microvibration Sensor 
    Yousif ,Albashir Zomrawi Mohamed; Supervisor, - Kasim M. AL.Hity (sudan university of scince and technology, 2009-03-01)
    In the past two decades, the optical sensor has been developed from the experimental stage to the practical applications. For instance, distributed optical sensors have been installed in dams and bridges to monitor the ...
  • 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 ...
  • 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 ...
  • Determination of the He-Ne and diode laser beam parameters by ISO method And compare it with the theoretical values 
    Hammad,Kawther Bakhiet Ismail; Supervisor, - Ahmed Hassan Sabah el kheir (sudan university of scince and technology, 2008-06-01)
    In this study the parameters of the He-Ne laser beam with wavelength 632.8nm, and power 1 mW and commercial diode laser with wavelength 651.6nm, and power1mW were measured, by applying the method of the International ...

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