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WAVE OPTICS

B.Sc. PHYSICS SYLLABUS UNDER CBCS I YEAR B.Sc.-II SEMESTER

[2020-21 Batch onwards]

Course II: WAVE OPTICS

(For Non-Maths Combinations)

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Course outcomes:

On successful completion of this course, the student will be able to:

  • Explain about the different aberrations in lenses and discuss the methods of minimizing
  • Understand the phenomenon of interference of light and its formation in Lloyd’s single mirror Thin films and Newton’s
  • Distinguish between Fresnel’s diffraction and Fraunhoffer diffraction and observe the diffraction patterns in the case of single slit and the diffraction
  • Describe the construction and working of zone plate and make the comparison of zone plate with convex
  • Explain the various methods of production of plane, circularly and polarized light and their detection and the concept of optical
  • Comprehend the basic principles of laser and fibre optic communication and their applications.

UNIT –I: Geometric optics                         (12 hrs)

Aberrations in lenses-Chromatic Aberration-Achromatic Combination of lenses- Monochromatic defects-Spherical aberration-Astigmatism; Coma; Curvature and Distortion- Minimizing aberration.

UNIT-II: Interference              (12 hrs)

The superposition principle, Condition for Interference, Classification of Interferences methods-Young’s double slit experiment-Theory, Intensity in interference pattern- Phase change on reflection ; Lloyd’s single mirror; Interference due to plane parallel wedge shaped films, Colours in thin films-Newton rings, Determination of wavelength of light using Newton’s rings.

UNIT-III: Diffraction           (12 hrs)

Fresnel and Fraunhoffer diffraction phenomena, Differences between interference and diffraction, Fraunhoffer diffraction of single Slit;Diffraction grating- Determination of wavelength of light using diffraction grating (Normal incidence and Minimum deviation); Resolving power; Zone plate-construction and its comparison with convex lens

UNIT-IV: Polarization    (12 hrs)

Polarized light: Production of plane polarized light by reflection, Double refraction; Brewster’s law; Malus law; Nicol prism; Nicol prism as polarizer and analyzer- Quarter wave plate, Half wave plate- Optical activity, determination of specific rotation by Laurent’s half shade polarimeter

UNIT V: Lasers& Fiber Optics(12 hrs)

Lasers-characteristics; Stimulated and Spontaneous emission, Population inversion, Laser principle, Ruby laser, He-Ne laser, Applications of lasers

Introduction to fibres, Different types of fibres, Principles of fiber communication (qualitative treatment only), Advantages of optical fibre communication

REFERENCE BOOKS

  • BSc Physics, Vol.2, Telugu Academy, Hyderabad
  • Physics for Biology and Premedical Students –D.N. Burns & SGG Mac Donald
  • Unified Physics Vol.II, Optics and Thermodynamics, JaiPrakash Nath & Co.Ltd., Meerut.
  • Optics, AjoyGhatak, Tata Mc Graw-Hill.
  • Fundamentals of Optics, H.R. Gulati and D.R. Khanna, 1991, R. Chand Publication
  • Introduction of Lasers – Avadhanulu, S.Chand&
  • Principles of Optics- BK Mathur, Gopala Printing Press, 1995
Updated: October 13, 2021 — 9:36 am
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