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| ELK4020 | Fiberoptik Haberleşme | 2+0+0 | ECTS:5 | | Year / Semester | Spring Semester | | Level of Course | First Cycle | | Status | Elective | | Department | DEPARTMENT of ELECTRICAL and ELECTRONICS ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | | | Contact Hours | 14 weeks - 2 hours of lectures per week | | Lecturer | Prof. Dr. Gökçe HACIOĞLU | | Co-Lecturer | | | Language of instruction | Turkish | | Professional practise ( internship ) | None | | | | The aim of the course: | | The aim of this course is to understand the operating principles of components within a fiber optic communication system and how the system functions in its entirety. Furthermore, the course aims to introduce the relevant test equipment and teach its practical application. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | Knows the structure of the fiber optic cable. | 1.2 - 3.1 | 1 | | LO - 2 : | Identifies the factors that degrade performance in a fiber optic communication system. | 1.2 - 3.1 | 1 | | LO - 3 : | Knows how to operate key fiber optic instruments, including light sources, OTDRs, and power meters. | 1.2 - 3.1 | 1 | | LO - 4 : | Calculates the required launch power, receiver sensitivity, and achievable bit rate for a given fiber optic link. | 1.2 - 3.1 | 1 | | LO - 5 : | Understands the principles and function of optical filters, amplifiers, and multiplexing systems. | 1.2 - 3.1 | 1 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| Propagation of light in fiber. Losses and scattering in fiber. Graded-index and step-index optical fibers. Light sources (Lasers and LEDs). Detectors. Components of actual fiber optic cables and coupling of light sources and detectors to the optical fiber. Optical fiber splicing methods. Connectors. Couplers. Design of an optical system and selection of its components. Isolators and circulators. Multiplexers and filters. Optical Amplifiers. Switches. Wavelength converters. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Refraction, refractive index and Snell's law. Critical Angle | | | Week 2 | Properties of wavelength used in fiber optic communication. The propagation of light in fiber. Components of fiber cable. Acceptance cone, numerical aperture. Use of decibel in fiber optic circuits. | | | Week 3 | Properties of wavelength used in fiber optic communication. The propagation of light in fiber. Components of fiber cable. Acceptance cone, numerical aperture. Use of decibel in fiber optic circuits. | | | Week 4 | Losses in optical fiber are absorption, Rayleigh scattering, Fresnel reflection and bending losses. | | | Week 5 | Losses in optical fiber are absorption, Rayleigh scattering, Fresnel reflection and bending losses. | | | Week 6 | Scattering and blocking pathways. Modes. Graded-index fiber. Single-mode fiber. Chromatic scattering. Light sources and detectors. Lasers. LEDs, PIN diodes, avalanche diodes. | | | Week 7 | Scattering and blocking pathways. Modes. Graded-index fiber. Single-mode fiber. Chromatic scattering. Light sources and detectors. Lasers. LEDs, PIN diodes, avalanche diodes. | | | Week 8 | Real cables. Reinforcement elements, hollow, tight buffered, breakout, hybrid cables. Precautions against fire, UV, moisture, hydrocarbons and radiation. | | | Week 9 | Midterm Exam | | | Week 10 | Production of optical fiber. Advantages of optical fiber. Splicing optical fibers. Splicing by welding (fusion). | | | Week 11 | Mechanical couplers. Connectors. | | | Week 12 | Couplers. Testing a system; visible light continuity test, light source and power meter, calibration | | | Week 13 | Testing a System: Light source and optical power meter. Optical elements such as Circulator, Optical Filter, Optical Amplifier and Multiplexer. | | | Week 14 | Features of OTDR and measuring with OTDR | | | Week 15 | Determining transmitter power and calculating usable bandwidth | | | Week 16 | Final Exam | | | |
| 1 | Crisp J. and Elliott B 2007; Introduction to Fiber optics, Newnes | | | 2 | Ramaswami R., Sivaraja K. N. and Sasaki G.H. 2010; Optical Networks A Practical Perspective Third Edition, Morgan Kaufmann | | | |
| 1 | Hacıoğlu G., Basılmamış ders notları | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 1,5 | 50 | | End-of-term exam | 16 | | 2 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 13 | 39 | | Sınıf dışı çalışma | 2 | 13 | 26 | | Arasınav için hazırlık | 4 | 4 | 16 | | Arasınav | 2 | 1 | 2 | | Dönem sonu sınavı için hazırlık | 5 | 4 | 20 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 105 |
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