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دراسة نظرية لتقدم الاستقطاب واقتران النمط في الالياف البصرية المفتولة المنفردة النمط == Theoretical Study of Polarization Evolution and Modal Coupling in Twisted Single Mode Fibers

Author name: نور ﻋﻠﻲ ﻧﺎﺻﺮ
Supervisor name: حسن عبد ياسر
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

اداء الربح لمضخمات الالياف البصرية المشوبة بالاربيوم == The Gain Performance of Erbium-Doped Fiber Amplifiers

Author name: محمد رحمة حرب
Supervisor name: ﺣﺴﻦ ﻋﺒﺪ ﯾﺎﺳﺮ | صادق ﺟﻌﻔﺮ ﻛﺎظﻢ
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تاثرية اللاخطية من الرتبة الثانية في تركيب من ثنائي النقط الكمية QDs على شكل سلم زائدا Y == Second-Order Nonlinear Susceptibility in Ladder plus-Y Configuration in Double Quantum Dot Structure

Author name: حنين اكرم مزهر
Supervisor name: امين حبيب السيد جاسم
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

العمليات البصرية كلييا في تركيب النقط الكمية المزدوجة == All-Optical Processes in Double Quantum Dot Structure

Author name: اكتفاء رحمن حسين
Supervisor name: امين حبيب السيد جاسم
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تسخين الحاملات ودرجة حرارة الحاملات في المضخم البصري لشبه موصل نقطي كمي == Carrier Heating And Carrier Temperature in Quantum Dot Semiconductor Optical Amplifier

Author name: حوراء سعدي عباس
Supervisor name: احمد حمود فليح
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

ميكانيك الكم لهندسة فجوة الطاقة والخواص الالكترونية لشريط الكرافين المتعرج بحافات H.S.Se.N وسلسلة كاربون == A Quantum Mechanic for Engineering Band Gap and Electronic Properties of Zigzag Graphene Nanoribbon with H, S, Se, N and Carbon Chain Edge

Author name: رسل ستار سويد
Supervisor name: فلاح حسن حنون
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة الاضطراب الايونوسفيري المفاجئ (vlf) باستخدام تقنية == Studying the sudden ionospheric disturbance by using very low frequency (VLF) technique

Author name: نور جلال عبد الامیر
Supervisor name: حبیب حرز علاوي | علي جهاد كاطع
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة نظرية لدرجة حرارة الناقل وتاثير المستوى المتهيج في المضخم البصري شبه الموصل النقطي الكمومي == Theoretical Study of Carrier Temperature and influence of Exited State in Quantum Dot Semiconductor Optical Amplifier

Author name: كاظم عبد الحسن كاظم
Supervisor name: احمد حمود فليح
General topic: Physics
Specific topic: Semiconductors
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة نظرية لخصائص نبضة التحويل السلبي لعامل النوعية ونبضة ستوكس == A Theoretical Study of Passive Q - Switching and Stokes Pulses Characteristics

Author name: غفران زامل حسن
Supervisor name: عبد الكريم مهدي صالح النيازي
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة الخصائص الطيفية لصبغة الرودامين B كسائل وغشاء عند تراكيز مختلفة

Author name: رغد داخل عطشان
Supervisor name: علي جهاد كاطع
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: Arabic
University location: Dhi Qar
First pages:

تعزيز كفاءة واستقرار الخلايا الشمسية الصبغية DSSCs من خلال دمج المواد النانوية في افلام التيتانيوم اوكسايد TiO == Enhancing Efficiency and Stability of Dye sensitized Solar Cells (DSSCs) through Incorporation of Nanomaterial In TiO2 Films

Author name: حوراء محمد خضير
Supervisor name: ماجد ريسان البحراني
General topic: Physics
Specific topic: Nuclear and Environmental Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تحضير تراكيب نانوية من اغشية اوكسيد الزنك الرقيقة لتطبيقات الخلايا الشمسية == FABRICATION OF NANOSTRUCTURE THIN FILMS FOR SOLAR CELLS APPLICATIONS

Author name: زهراء حسن وارد
Supervisor name: عواد عبد الرزاق سلمان | علاء جبار غزاي
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

التضمين في ليز النقطة الكمية في تجويف البلورة الفوتونية == Modulation in Quantum Dot Laser with Photonic Crystal Cavity

Author name: مهند احمد عبد المهدي
Supervisor name: شاكر ديوان سرسوح | مشتاق عبيد عليوي
General topic: Physics
Specific topic: Laser Physics and Electro-optics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تاثير التغذية البصرية العكسية والحقن البصري الخارجي على الشواش في الثنائي النقطي الكمي الباعث للضوء == Effect of Optical Feedback and External Optical Injection on Chaos in QD - LED

Author name: حسين عواد زمزوم
Supervisor name: حسين برغوث الحسيني
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تحضير جسيمات النحاس النانوية بطريقة السلك المتفجر == Preparation of Copper Nanoparticles by the Exploding Wire Technique

Author name: رجاء شعلان صيوان
Supervisor name: عماد عبد الرزاق سلمان | مهند علي عبد
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة حركيات ليزر النقطة الكمية == Study of the Dynamics of Quantum Dot Laser

Author name: زهراء خليل شرباك
Supervisor name: شاكر ديوان سرسوح
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة الخواص الديناميكية والاستاتيكية لليزرات التتابع الكمي ثنائية اللون من خلال صياغة انموذج معادلات معدل == Study the Dynamic and Static Characteristic of Dual Color Quantum Cascade Lasers by Forming Rate equation Model

Author name: محمد عواد حسين
Supervisor name: حسين هادي وارد
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: Arabic
University location: Dhi Qar
First pages:

دراسة التاثيرات المميتة للنيوترونات وجسيمات بيتا والاشعة فوق البنفسجية على البكتيريا باستخدام تقنية التالق الكيميائي == Study of fatal effects of Neutrons, Beta particles and UV - Light on Macrophage using Chemiluminescence Technique

Author name: دعاء كاطع غالي
Supervisor name: عماد عبد الرزاق سلمان | قحطان عدنان عبد القادر
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: Arabic
University location: Dhi Qar
First pages:

دراسة و تحليل تاثير انعكاس الموجات الراديوية ذات التردد VLF الواطئ جدا من طبقة الايونوسفير نتيجة سقوط الاشعة السينية للتوهجات الشمسية == Study and Analysis Reflection Effect of Very Low Frequency Radio Waves (VLF) From the Ionosphere Due to X - Ray Solar Flares

Author name: معتز جلیل جاسم
Supervisor name: حبیب حرز علاوي
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: Arabic
University location: Dhi Qar
First pages:

الكفاءة الكمية للخلايا الشمسية النقطية الكمية من نوع TiO و 2 CdSe ,CdS == Quantum Efficiency of CdS, CdSe and TiO2 Quantum Dot Solar Cells

Author name: تحسين داخل منصور
Supervisor name: سامر مهدي عبد المحسن | امين حبيب السيد جاسم
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

مزج الامواج في المضخم البصري شبه الموصل == Wave - Mixing in Semiconductor Optical Amplifiers

Author name: ريام حسين علي
Supervisor name: احمد حمود فليح
General topic: Physics
Specific topic: Semiconductors
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

دراسة امكانية استخدام طاقة الرياح لانتاج الكهرباء في مدينة السماوة == A Study of Possibility of Using the Wind Energy to Produce the Electricity in Samawa City |

Author name: مها حاتم كامل
Supervisor name: عبد الكريم مهدي صالح
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:

تشخيص تصلب الشرايين باستخدام معالجة الصور الرقمية == The Diagnosis of Atherosclerosis Using Digital Image Processing

Author name: عبد الكريم صكر كمر
Supervisor name: حازم باقر طاهر العلي
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:
Abstract: Accelerating the pace of scientific progress and that focus in the field of human service requirements is to provide daily health and service. Health aspect is one of the most important themes of science that needs to be searched because it has a direct impact on human existence. Medical Physics is one of the branches of the Physics Department that deals with the interest of providing theoretical or scientific foundations which had the aims to provide scientific services in the medical field. The subject of the medical image processing is one of the applications of this section. It aims to increase the efficiency of medical diagnostic systems to provide an integrated diagnostic system that works to distinguish a heart disease and atherosclerosis.This study depends on medical images that were obtained from patients in Nasiriyah Heart Center. Where thesis focus on images for arteries feeding heart muscle for Infected patients and other healthy. Set of operations were performed on these images derived from work areas and the separation arteries of these areas from the rest of unimportant information within the image To be brought into the neural network, the use of 110 image to train the network 60 and 50 were used for the test.The next step is to count the number of qualities for each image after it has been extracted artery of the image by making some operations on this image .The proposed system has proven successful in the conduct of the diagnostic process through the results obtained on the ratio of 100% in the training phase and 92% in the testing phase

دراسة وتحضير خلية شمسية صبغية ذات تركيب صلب باستخدام صبغة نوع D146 ثنائي اوكسيد التيتانيوم كانود وانابيب الكاربون النانوية متعدد الجدار ككاثود == Study and Preparation of Solid State Dye Sensitized Solar Cell using D149 as a dye ,TiO2 Nanoparticles as a Photo anode and MWCNTs as a Counter Electrode

Author name: ايات عبد علي كطان
Supervisor name: سامر مهدي عبد المحسن
General topic: Physics
Specific topic: Solar Energy Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: English
University location: Dhi Qar
First pages:
Abstract: The dye sensitized solar cell (DSSC) is one of the photochemical electric cells, which consists of the photo electrode, dye, electrolyte, and the counter electrode. The advantage of DSSC is the low cost of the solar energy conversion into electricity because of inexpensive materials and the relative ease of the fabrication processes. In this work, titanium dioxide (TiO2) films as a photo electrode were prepared from anatas titanium Oxid (TiO2) nanoparticles and deposited by doctor blade method on fluorine doped tin oxide (FTO)coated glass substrates. After the process of deposition that including the prepared samples in the oven, the temperature raises from room temperature (R.T) to set up to around 400°C. Half an hour later, the temperature started to decrease to reach theroom temperature (R.T) . Multi - walled carbon nanotubes (MWCNT)used as a counter electrode instead of platinum(Pt),where prepared by spray pyrolysis technique (SPT) at 300°C,10 sec as spraying time ,and 60 sec stopped time. In the next step, Preparing the dye solution at room temperature then placed TiO2 electrode in the dye solution for 24 hours in the dark .The last step is collecting two electrodes one over the other leads to build a solar cell. Then a mixture electrolyte about(0.6 M 1 - methyl - 3 propoylimidazolium iodide (PMII) + 0.1 M LiI )is dipped onto the surfaces of both (FTO glass/TiO2NP/D149/PMII and MWCNTs/FTO)glasses .The thickness about (400nm) and the films are prepared under various deposition conditions in order to understand the effect of the temperature on the cell properties and to specify the optimum condition. X - ray diffraction (XRD), scanning electron microscope (SEM) are used for the structural analysis.Raman scattering spectrum used to determine the type of material CNTs used for DSSCs fabrication , Fourier transform infrared spectroscopy (FTIR) used for description as an analysis for system chemical structure of the atoms. UV and visible spectra have been recorded as a function of wavelength in the range (200 - 1000 nm) in order to study the optical properties such as reflectance, energy gap of allowed and forbidden direct transitions, extinction coefficient, refractive index, and dielectric constant in real and imaginary parts. It has been found that all the investigated parameters are affected by the sensitizer dye in the visible region of the spectrum .Finally I - V characteristic curves of the fabricated cell were measured and studied, this cell shows highest photovoltaic performances to date as Solid state dye sensitive solar cells

تحديد العناصر المشعة الطبيعية في النفط الخام المنتج من ابار حقل الغراف النفطي باستخدام مطيافية اشعة كاما == Determination of Natural Radioactive Elements in Al - Garraf Crude Oil Well Using Gamma Ray Spectroscopy

Author name: ايات شرهان سعدون
Supervisor name: جبار ماضي راشد
General topic: Physics
Specific topic: Physics
Degree: Master
University: University of Thi-Qar - College Of Science - Physics Department
Language: Arabic
University location: Dhi Qar
First pages:
Abstract: Natural radioactive materials (NORM) that accompany oil and gas production from a real problem for the environment and the people. These radioactive substances can from a significant threat to workers in the field of crude oil if the concentrations exceed permissible limits. Natural radioactivity due to U - 238, Th - 232, Ra - 226, Ra - 228 and K - 40 in crude oil samples collected from al Gharraf oil field in Thi Qar province, south of Iraq. 15 wells were selected to take crude oil samples from this field. were measured using gamma ray spectrometry based on scintillation detection 3 x 3 inch NaI (Tl).The radioactivity concentrations of U - 238,Th - 232,Ra - 226,Ra - 228 and K - 40 values in the studied oil samples ranged (0.92 - 5.02 Bq / kg),(1.42 - 5.27 Bq/ kg) , (0.91 - 5.81 Bq / kg) ,(1.56 - 4.52 Bq / kg) and (60.45 - 138.88 Bq / kg) respectively. The equivalent concentration for each of Ra - 226 and Th - 232 and K - 40 has been calculated for all samples and was found to be between (7.60 - 24.04) Bq / kg , (5.39 - 16.98) Bq / kg and (98.78 - 313.10) Bq/Kg respectively.The absorbed dose for these concentrations were calculated using three equations supported by ICRP, UNSCEAR and BECK and we found that the absorbed dose according to ICRP, UNSCEAR and BECK for all samples ranged between (1.378 - 5.675) , (3.85 - 11.00) and (3.881 - 11.496) respectively. The calculated values of the annual effective dose rate and excess lifetime cancer risks (ELCR) were between and (0.591 - 2.436591 ), respectively.The external and internal hazard index also calculated and found ranges between ⁄ and (0.023 - 0.081 ⁄ ), respectively. The results obtained indicate that concentrations of radioactive elements targeted in this study were within safe limits despite the variation in the concentration values between samples. We therefore conclude that the natural radioactivity due to U - 238,Th - 232,Ra - 226,Ra - 228 and K - 40 in crude oil samples collected from al Gharraf oil field in Thi Qar province poses no risk to workers according to standards set by International Commission onRadiological Protection Publication (ICRP60),World Health Organization(WHO)and United Nations Scientific Committee on the Effect of Atomic Radiation (UNSCEAR).
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