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- 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.

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

**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.

**Practice:2**

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:**

- 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]
- Principles of Engineering Physics-2 by Md.Khan, S.Panigrahi, Cambridge University Press 2016. [module-V, VI&VII]
- Textbook of +2 physics,Kalyani publisher

**Reference Books:**

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