Syllabus
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Course Code: EP-903 Course Name: Laser systems and Basics of Fiber optics Technology |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | bLaser: Laser characteristics, Spontaneous and Stimulated Emission, Absorption, population inversion, Laser pumping and pumping process: A two level system, a three level system, Optical pumping & pumping efficiency, Electrical pumping and pumping efficiency, Passive Optical Resonators, Rate Equations, Four-level Laser, Three-level Laser, Methods of Q-switching: Electro optical shutter, mechanical shutter. | |
| 2 | Laser systems: General description-Laser structure-excitation mechanism-Different laser
systems- He-Ne laser, Argon-ion laser, Nitrogen laser, Carbon-dioxide laser, Nd:YAG; Nd:Glass, Pulsed-CW dye laser, Semiconductor Laser. Applications of Lasers: Laser induced fusion, application in material procession (laser welding, hole drilling, laser cutting), lasers in Medicine & Military. Holography Introduction, recording and reconstruction process, applications, holographic Interferometry, holographic memories. |
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| 3 | Fiber optics: Introduction; step index fiber, numerical aperture, pulse dispersion in step index fiber, graded index fibers, material dispersion, single mode fibers, fiber optics sensors; multimode and single mode fiber sensors. Fiber materials and manufacture, glass fiber, plastic fiber, losses of fibers, bending losses, intrinsic fiber losses, scattering losses and absorption losses. |
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| 4 | Optical Communication Systems: (Qualitative study only) Modulation schemes, analog modulation, digital modulation, free space communication, fiber optical communication system, operating wave length, local area networks, integrated optics, slab and strip waveguides, devices, emitters (sources) and detectors (Qualitative idea only). | |
