JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

Student will be able to

• 1. Understand the principles of optics and lasing action, Design of lasers.
• 2. Apply the knowledge of Optics to fibers and understand the different industrial applications of Optical Fibers.
• 3. Learn the various applications of Lasers in Instrumentation.
• 4. Understand the Opto-Electronic devices and their principles of operation along with their applications.

Course Outcomes

After completion of the course the student is able to:

• 1. Apply fundamental knowledge of Optics and lasers to design application specific optical fiber.
• 2. Apply Lasers in Instrumentation for the measurement of Industrial parameters like Pressure, Temperature, and Level and find the solutions for the errors.
• 3. Understand the advantages of using Lasers in the measurements.
• 4. Understand the applications of Lasers in medicine.

UNIT - I

Optical Fibers and Their Properties Introduction to optical fiber - fiber characteristics - principles of light propagation through a fiber - Different types of fibers and their properties - Losses in the optical fiber - Dispersion - advantages and disadvantages of optical fibers.

UNIT - II

Opto-Electronic Components Optical sources: LED, LD - Optical detectors: PIN, APD - Electro-optic, Magneto optic and Acousto- optic Modulators.

UNIT - III

Industrial Applications of Optical Fibers Interferometer method of measurement of length – Moire fringes – Measurement of pressure, Temperature, Current, Voltage, Liquid level and Strain - fiber optic Gyroscope – Polarization maintaining fibers – Applications, Bio-Medical Applications in Endoscopy.

UNIT - IV

Laser Fundamentals Introduction to lasers - Laser characteristics – Laser configuration – Three level and four level lasers – Q-switching – Mode locking – Types of lasers: Solid lasers, Gas lasers, Liquid lasers and Semiconductor lasers

UNIT - V

Laser instrumentation Industrial applications of lasers – Lasers for measurement of distance, length, velocity, acceleration, current, voltage and atmospheric effect - Bio-medical applications, Holography: Principle, Methods, Holographic Interferometers and applications.

TEXT BOOKS:

• 1. Optical Fiber Communication – Principles and Practice‘, J.M. Senior, Prentice Hall of India, 1985. R18 B.TECH EIE III YEAR
• 2. Lasers: Theory and Applications – by Thyagarajan K. and Ghatak A.K., Plenum Press

REFERENCES:

• 1. Optical Fibre Communication and Sensors ‘, M. Arumugam, Anuradha Agencies, 2002.
• 2. Understanding Fiber Optics, 4th or 5th edition; Jeff Hecht; Prentice Hall publishers
• 3. Optical Fibre Communication ‘, G. Keiser, ‗McGraw Hill, 1995.
• 4. Monte Ross, ‗Laser Applications ‘, McGraw Hill, 1968
• 5. Introduction to Opto Electronics ‘, J. Wilson and J.F. B. Hawkes, Prentice Hall of India, 2001. R18 B.TECH EIE III YEAR