Bikash Samantaray


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Course Name: Optical Fibre and Optics

Course Code(Credit): CUTM2047(2-1-0)

Course Objectives 

  • To train the students for Optics and the applications of laser, and optical fiber in the field of engineering and technology.
  • To learn and practice the techniques used by an optical phenomenon so that these can be applied to actual field studies.

Learning Outcomes

  • Understand optical phenomena.
  • Understand the basic knowledge of, laser, and optical fiber and instrumentation involved.
  • Understand optical fiber principle, operations, and its applications.

Course Syllabus

Module I: Reflection and Refraction

Reflection at a plane surface, reflection at spherical mirrors, Sign convention, Location of the image formation, Spherical mirror equation, Refraction, Total internal reflection, Derivation of mirror formula and its numerical ,Dispersion by a prism, Refraction through a prism, Rainbow.

Practice: 1

To determine the refractive index of a glass slab using a traveling microscope.

Module II: Lenses

Definition, Types of Lenses, Terminology associated with the Lens, Sign Convention and location of the image formation by by graphical method for Lenses, derivation of lens formula and its numerical.


To determine the dispersive power and Cauchy constants of the material of a prism using mercury source.

Practice: 3

Determine the refractive index of the prism using a spectrometer.

Module III: Interference

Superposition principle, the definition of Interference, Coherence, Young’s double-slit experiment, Newton’s rings theory- Determination of wavelength of light.

Practice: 4

Newton Ring’s-Refractive index of the liquid

Module IV: Diffraction and Polarization

Types of diffraction, Fraunhofer diffraction at a single sit, Polarization, Types of polarized light and their representation, Brewster Law, Applications of polarized light.

Practice: 5

To find the grating element of a plane transmission diffraction grating.

Module V: Optical Properties and Laser

Light and its type, Scattering, refraction, reflection, absorption & transmission, Introduction to optoelectronics, Concept of Light Emitting Diode, Stimulated and spontaneous emission, Basic principle of Lasers, properties of laser, Applications of laser.

Practice: 6

Wavelength of LASER source by diffraction grating method

Module VI: Optical Fibers

Introduction to fiber optics, the structure of optical fibers, classification of optical fibers on the variation of refractive index and on the variation of the mode of transmission/core diameter, Numerical Aperture, Acceptance angle. Principle of optical fibers communication, optical communication (block diagram only),Application of optical fibers.

 Practice: 7

To find the numerical aperture of a given optic fiber and hence to find its acceptance angle .

Text Books:

  1. A Text-Book of Optics by M.N. Avadhanulu, Brij Lal, N. Subrahmanyam, S Chand; 23rd Rev. Edn. [Module I&II] Engineering Physics, by D.Thirupathi Naidu, M.Veeranjaneyulu, V.G.S Book links,2017.[Module- III,IV]
  2. Principles of Engineering Physics-2 by Md.Khan, S.Panigrahi, Cambridge University Press 2016. [module-V, VI&VII]
  3. Textbook of +2 physics,Kalyani publisher

Reference Books:

  1. Optics by Ajoy Ghatak, McGraw Hill Education; 6 edition, 2017.
  2. Physics-I for engineering degree students byB.B. Swain and K.Jena.
  3. Concepts in Engineering Physics by I Md. N. Kha,2016.
















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