Laser Handwritten Notes PDF
Date: 27th Jan 2023
In these “Laser Handwritten Notes PDF”, we will study to understand light as an electromagnetic wave and various phenomenon like interference, diffraction, and polarization. Interaction between a photon and electron and its relevance to laser and various other optoelectronic devices. You’ll also understand the propagation of wave in optical fibre.
We have provided multiple complete Photonics Notes PDF for any university student of Bachelor of Science BSc Electronics Hons or MSc Electronics to enhance more knowledge about the subject and to score better marks in the exam. Students can easily make use of all these Photonics Notes PDF by downloading them.
Topics in our Laser Handwritten Notes PDF
The topics we will cover in these Laser Handwritten Notes PDF will be taken from the following list:
Light as an Electromagnetic Wave: Plane waves in homogeneous media, concept of spherical waves. Reflection and transmission at an interface, total internal reflection, Brewster‘s Law. Interaction of electromagnetic waves with dielectrics: origin of refractive index, dispersion.
Interference: Superposition of waves of same frequency, Concept of coherence, Interference by division of wavefront, Young‘s double slit, Division of Amplitude, thin-film interference, anti-reflecting films, Newton‘s rings; Michelson interferometer. Holography.
Diffraction: Huygen Fresnel Principle, Diffraction Integral, Fresnel, and Fraunhoffer approximations. Fraunhoffer Diffraction by a single slit, rectangular aperture, double slit, Resolving power of microscopes and telescopes; Diffraction grating: Resolving power and Dispersive power.
Polarization: Linear, circular and elliptical polarization, polarizer-analyzer and Malus‘ law; Double refraction by crystals, Interference of polarized light, Wave propagation in uniaxial media. Half wave and quarter-wave plates. Faraday rotation and electro-optic effect.
Light Emitting Diodes: Construction, materials, and operation.
Lasers: Interaction of radiation and matter, Einstein coefficients, Condition for amplification, laser cavity, threshold for laser oscillation, line shape function. Examples of common lasers. The semiconductor injection laser diode.
Photodetectors: Bolometer, Photomultiplier tube, Charge-Coupled Device. Photo transistors and Photodiodes (p-i-n, avalanche), quantum efficiency, and responsivity.
LCD Displays: Types of liquid crystals, Principle of Liquid Crystal Displays, applications, advantages over LED displays.
Guided Waves and the Optical Fiber: TE and TM modes in symmetric slab waveguides, effective index, field distributions, Dispersion relation and Group Velocity. Step index optical fiber, total internal reflection, concept of linearly polarized waves in the step-index circular dielectric waveguides, single-mode and multimode fibers, attenuation, and dispersion in optical fiber.
Laser Handwritten Notes PDF
Laser Handwritten Books List
We have listed the best Laser Handwritten Books that can help in your Photonics exam preparation:
- Ajoy Ghatak, Optics, Tata McGraw Hill, New Delhi (2005)
- E. Hecht, Optics, Pearson Education Ltd. (2002)
- J. Wilson and J. F. B. Hawkes, Optoelectronics: An Introduction, Prentice-Hall India (1996)
- S. O. Kasap, Optoelectronics, and Photonics: Principles and Practices, Pearson Education (2009)
- Ghatak A.K. and Thyagarajan K., ―Introduction to fiber optics,‖ Cambridge Univ. Press. (1998)
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Author: Delhi University