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EI8075 FIBRE OPTICS AND LASER INSTRUMENTS (FOLI)
Unit 1
1. Characteristics ,types ,properties,losses of FIBre,Step index and graded index fibers
2.Optical sources, Optical detectors.
Unit 2
1. EOM,Interferometric method of measurement of length
2. rare :Measurement of pressure, temperature, current, voltage, liquid level, and strain
3.Optical domain reflectometers
Unit 3
1. Q switching and mode locking,Cavity dumping
2 energy level diagram
3. Types of lasers
Unit 4
1. LIDAR** ,Laser melting,trimming ,welding ,heating**
2.removal and vaporization
3. Measurement of acceleration,current and voltage**
Unit 5
1. Holography components, inferometric and apps**
2. Medical apps (removal of tumers , vocal cords , brain surgery , gynaecology)
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**Very important questions are bolded and may be asked based on this topic
PART-C
1.Compulsory Questions {a case study where the student will have to read and analyse the subject }mostly asked from unit 2, 5(OR) a situation given and you have to answer on your own
EI8075 FIBRE OPTICS AND LASER INSTRUMENTS (FOLI)
Unit 1
1. Characteristics ,types ,properties,losses of FIBre,Step index and graded index fibers
2.Optical sources, Optical detectors.
Unit 2
1. EOM,Interferometric method of measurement of length
2. rare :Measurement of pressure, temperature, current, voltage, liquid level, and strain
3.Optical domain reflectometers
Unit 3
1. Q switching and mode locking,Cavity dumping
2 energy level diagram
3. Types of lasers
Unit 4
1. LIDAR** ,Laser melting,trimming ,welding ,heating**
2.removal and vaporization
3. Measurement of acceleration,current and voltage**
Unit 5
1. Holography components, inferometric and apps**
2. Medical apps (removal of tumers , vocal cords , brain surgery , gynaecology)
Don't share as screenshot -Stuff sector
**Very important questions are bolded and may be asked based on this topic
don't waste my hardwork and valuable time
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*These questions are expected for the exams This may or may not be asked for exams All the best.... from admin Santhosh
Thanks for your love and support guys keep supporting and share let the Engineers know about Us and leave a comment below for better improvements If there is any doubt feel free to ask me I will clear if I can or-else I will say some solutions ..get me through WhatsApp for instant updates ~$tuff$£ctorSYllabuSUNIT I OPTICAL FIBRES AND THEIR PROPERTIES
Construction of optical fiber cable: Guiding mechanism in optical fiber and a Basic component of optical fiber communication, –Principles of light propagation through a fibre: Total internal reflection, Acceptance angle (θa), Numerical aperture and Skew mode, –Different types of fibres and their properties: Single and multimode fibers and Step index and graded index fibers,– fibre characteristics: Mechanical characteristics and Transmission characteristics, – Absorption losses – Scattering losses– Dispersion – Connectors and splicers –Fibre termination – Optical sources: Light Emitting Diode(LED), – Optical detectors: PIN Diode.
UNIT II INDUSTRIAL APPLICATION OF OPTICAL FIBRES
Fibre optic sensors: Types of fiber optics sensor, Intrinsic sensor- Temperature/ Pressure sensor, Extrinsic sensors, Phase Modulated Fibre Optic Sensor and Displacementsensor (Extrinsic Sensor) –Fibre optic instrumentation system: Measurement of attenuation (by cut-back method), Optical domain reflectometers, Fiber Scattering loss Measurement, Fiber Absorption Measurement, Fiber dispersion measurements, End reflection method and Near field scanning techniques – Different types of modulators: Electro-optic modulator (EOM) –Interferometric method of measurement of length –Moire fringes – Measurement of pressure, temperature, current, voltage, liquid level, and strain.
UNIT III LASER FUNDAMENTALS
Fundamental characteristics of lasers – Level Lasers: Two-Level Laser, Three Level Laser, Quasi Three, and four level lasers – Properties of laser: Monochromaticity, Coherence, Divergence and Directionality and Brightness –Laser modes – Resonator configuration – Q-switching and mode-locking – Cavity damping – Types of lasers; – Gas lasers, solid lasers, liquid lasers, and semiconductor lasers.
UNIT IV INDUSTRIAL APPLICATION OF LASERS
Laser for measurement of distance, Laser for measurement of length, Laser for measurement of velocity, Laser for measurement of acceleration, Laser for measurement of current, voltage and Laser for measurement of Atmospheric Effect: Types of LIDAR, Construction And Working, and LIDAR Applications – Material processing: Laser instrumentation for material processing, Powder Feeder, Laser Heating, Laser Welding, Laser Melting, Conduction Limited Melting, and Key Hole Melting – Laser trimming of material: Process Of Laser Trimming, Types Of Trim, Construction And Working
Advantages – Material Removal and vaporization: Process Of Material Removal.
UNIT V HOLOGRAM AND MEDICAL APPLICATIONS
Holography: Basic Principle, Holography vs. photography, Principle Of Hologram Recording,
Condition For Recording A Hologram, Reconstructing and viewing the holographic image–
Holography for non-destructive testing – Holographic components – Medical applications of lasers,laser-Tissue Interactions Photochemical reactions, Thermalisation, collisional relaxation, Types of Interactions and Selecting an Interaction Mechanism – Laser instruments for surgery, removal of tumors of vocal cards, brain surgery, plastic surgery, gynecology, and oncology.
UNIT I OPTICAL FIBRES AND THEIR PROPERTIES
Construction of optical fiber cable: Guiding mechanism in optical fiber and a Basic component of optical fiber communication, –Principles of light propagation through a fibre: Total internal reflection, Acceptance angle (θa), Numerical aperture and Skew mode, –Different types of fibres and their properties: Single and multimode fibers and Step index and graded index fibers,– fibre characteristics: Mechanical characteristics and Transmission characteristics, – Absorption losses – Scattering losses– Dispersion – Connectors and splicers –Fibre termination – Optical sources: Light Emitting Diode(LED), – Optical detectors: PIN Diode.
UNIT II INDUSTRIAL APPLICATION OF OPTICAL FIBRES
Fibre optic sensors: Types of fiber optics sensor, Intrinsic sensor- Temperature/ Pressure sensor, Extrinsic sensors, Phase Modulated Fibre Optic Sensor and Displacementsensor (Extrinsic Sensor) –Fibre optic instrumentation system: Measurement of attenuation (by cut-back method), Optical domain reflectometers, Fiber Scattering loss Measurement, Fiber Absorption Measurement, Fiber dispersion measurements, End reflection method and Near field scanning techniques – Different types of modulators: Electro-optic modulator (EOM) –Interferometric method of measurement of length –Moire fringes – Measurement of pressure, temperature, current, voltage, liquid level, and strain.
UNIT III LASER FUNDAMENTALS
Fundamental characteristics of lasers – Level Lasers: Two-Level Laser, Three Level Laser, Quasi Three, and four level lasers – Properties of laser: Monochromaticity, Coherence, Divergence and Directionality and Brightness –Laser modes – Resonator configuration – Q-switching and mode-locking – Cavity damping – Types of lasers; – Gas lasers, solid lasers, liquid lasers, and semiconductor lasers.
UNIT IV INDUSTRIAL APPLICATION OF LASERS
Laser for measurement of distance, Laser for measurement of length, Laser for measurement of velocity, Laser for measurement of acceleration, Laser for measurement of current, voltage and Laser for measurement of Atmospheric Effect: Types of LIDAR, Construction And Working, and LIDAR Applications – Material processing: Laser instrumentation for material processing, Powder Feeder, Laser Heating, Laser Welding, Laser Melting, Conduction Limited Melting, and Key Hole Melting – Laser trimming of material: Process Of Laser Trimming, Types Of Trim, Construction And Working
Advantages – Material Removal and vaporization: Process Of Material Removal.
UNIT V HOLOGRAM AND MEDICAL APPLICATIONS
Holography: Basic Principle, Holography vs. photography, Principle Of Hologram Recording,
Condition For Recording A Hologram, Reconstructing and viewing the holographic image–
Holography for non-destructive testing – Holographic components – Medical applications of lasers,laser-Tissue Interactions Photochemical reactions, Thermalisation, collisional relaxation, Types of Interactions and Selecting an Interaction Mechanism – Laser instruments for surgery, removal of tumors of vocal cards, brain surgery, plastic surgery, gynecology, and oncology.