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    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/12%3A_Optical_Communications/12.03%3A_Lasers
      This page explains the functioning of lasers, including their reliance on quantum processes for coherent light generation and the importance of population inversion. It addresses the efficiency of thr...This page explains the functioning of lasers, including their reliance on quantum processes for coherent light generation and the importance of population inversion. It addresses the efficiency of three- and four-level lasers, challenges in building high-energy lasers, and concepts such as laser oscillators and diodes. The text also covers the impact of resonant frequencies, line broadening effects, and molecular collisions on laser operations.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/00%3A_Front_Matter/03%3A_Preface
      This page presents a comprehensive educational resource in electromagnetics that utilizes a physics-based approach to cover a wide range of topics, from statics to dynamics. It aims to provide depth f...This page presents a comprehensive educational resource in electromagnetics that utilizes a physics-based approach to cover a wide range of topics, from statics to dynamics. It aims to provide depth for undergraduate and potential graduate studies within a semester, focusing on key concepts, practical examples, and computational experience with Maxwell's equations. The organization supports flexible teaching methods, and contributions from MIT faculty are recognized.
    • https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/15%3A_Electromagnetic_Radiation/15.06%3A_An_Alternate_View_of_Electromagnetic_Energy/15.6.02%3A_Lasers
      Applying quantum principles leads to new technological advancements.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/12%3A_Optical_Communications/12.01%3A_Introduction_to_optical_communication_links
      This page introduces optical communications and photonics, tracing their development and emphasizing the role of optical fibers in high-bandwidth, long-distance transmission. It covers essential compo...This page introduces optical communications and photonics, tracing their development and emphasizing the role of optical fibers in high-bandwidth, long-distance transmission. It covers essential components like lasers and photodetectors, while also considering microwave satellite communications for broadcasting. The discussion includes practical applications, such as trans-oceanic cables and Mars communication, highlighting data transmission capacities.
    • https://phys.libretexts.org/Bookshelves/Electricity_and_Magnetism/Electromagnetics_and_Applications_(Staelin)/12%3A_Optical_Communications
      This page introduces the basics of optical communication, emphasizing photonic systems and the behavior of light as photons and waves. It discusses key components like optical waveguides, lasers, dete...This page introduces the basics of optical communication, emphasizing photonic systems and the behavior of light as photons and waves. It discusses key components like optical waveguides, lasers, detectors, multiplexers, interferometers, and switches, which are crucial for grasping how information is transmitted through various media, including fibers.

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