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Browsing Masters Dissertations : Laser by Subject "Laser"

Browsing Masters Dissertations : Laser by Subject "Laser"

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  • 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 ...
  • 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 ...
  • 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 ...
  • Determination of the optical properties of fabricated CuO disks using different lasers 
    Babikr, Faten Abdelrhim Mohammed; Supervisor, -Nafie Abd Allattif Almuslet (Sudan University of Science and Technology, 2017-12-05)
    In this work, copper oxide (CuO) disks were prepared using a classical pressing machine, after mixing with potassium bromide. The disks were fabricated with different thicknesses (1.7, 2.59, 3.46, 4.29, 5.49, 5.92) mm. The ...
  • 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 ...
  • Determination of the Optical Properties of Pure and Doped Polyvinyl Alcohol using Different Lasers 
    Osman, Wafaa Hassan (Sudan University of Science and Technology, 2017-05-15)
    In this work, the optical properties of purepolyvinyl alcohol(PVA) and PVA doped with silver nitratewith different mass ratioswere studied using different types of monochromatic light sourcesin wavelength range (360-920) ...
  • Diagnosis of Sickle Cell Anemia Using Laser Emission Spectroscopy 
    Mohammed, Esraa Hassan Ali; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-10-26)
    In this research,the laser emission spectroscopy was utilized to diagnose the sickle cell anemia among five samples of blood;one normal and four with sickle cell anemia. The five samples were irradiated by diode laser of ...
  • Effect of Direct Sunlight Exposure on Selected Food Dyes 
    Abd-Almageed, Huda Alhassan Omer; Supervisor, -SiddegTawerKafei (Sudan University of Science and Technology, 2017-07-03)
    This research was proposed to study the effects of direct Sunlight exposure on selected artificial food dyes(Sunset yellowE110, TartrazineE102, Allura RedE129, Fast GreenE142). These dyes were desolved in distilled water ...
  • Effect of Laser Pulse Energy and Repetition Rate on Optical Transmittance Spectra of Fe2O3Thin Films 
    Abdalgader, Altaf Alsaid Mohamed; Supervisor, - Ali Abdel Rahman Saeed Marouf (Sudan University of Science & Technology, 2015-10-12)
    In this work; iron oxide thin films (Fe2O3) were fabricated by pulsed laser deposition technique (PLD). Pulsed Nd: YAG laser was used for prepared Fe2O3 thin films at wave length 532nm and 10 ns pulse duration with ...
  • Effect of Laser Radiation on Germination and Growth Rate of Sorghum Vulgar Seeds 
    Mohammed, GholamallahSiddigMerghani; Supervisor, -S.T.Kafie (Sudan University of Science and Technology, 2017-07-30)
    Laser is one of the sources for inducing biostimulation effect and genetic changes in plants. In this study the IR laser (wavelength 915 nm) was usedto stimulateSorghum vulgar Sppseeds. Seeds were divided into two groups, ...
  • Enhancement of Silicon Solar Cells Efficiency using Laser Surface Modification 
    Elkhalifa, Marwa Ibrahim Salama; Supervisor, - Ali A. AlrahmanMarouf (Sudan University for Sciences and Technology, 2015-11-03)
    Solar energy is rapidly becoming one of the most promising renewable energy sources available to us. This work aimed tomodifythe surface of mono crystalline silicon solar cell.Texturing of semiconductor surface can be ...
  • 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 ...
  • Hardness Enhancement of Human Teeth Filler (Amalgam) Using Low Level Laser 
    Elbashier, Reem Mirghani Gaafer; Supervisor, -Nafie A. Almuslet (Sudan University of Science and Technology, 2017-08-28)
    In this study, human teeth filler (Amalgam) hardness was enhanced using Low Level Laser. The amalgam samples were prepared by amalgamator device and irradiated for 30 seconds by diode laser with wavelength of 671 nm and ...
  • 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 ...
  • 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 ...

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