Titlebook: Lasers; Fundamentals and App K. Thyagarajan,Ajoy Ghatak Textbook 2011Latest edition Springer Science+Business Media, LLC 2011 Dirac notatio

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NOVA

1868-4513 his book serves as a text in a course on lasers and their applications for students majoring in various disciplines such as Physics, Chemistry and Electrical Engineering.978-1-4614-2694-3978-1-4419-6442-7Series ISSN 1868-4513 Series E-ISSN 1868-4521

男學(xué)院

諂媚于性

Quantum Theory of Interaction of Radiation Field with Matterate) for a particular mode does . correspond to the classical plane wave. Indeed, we show that the eigenstates of the annihilation operator (which are known as the .) resemble the classical plane wave for large intensities.

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Introductioner frequencies; such a process is known as stimulated absorption or simply as absorption. On the other hand, when the atom is in the excited state, it can make a transition to a lower energy state through the emission of electromagnetic radiation; however, in contrast to the absorption process, the emission process can occur in two different ways.

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果核

Laser-Induced Fusiondous effort being expended on fabrication of extremely high-power lasers, the goal appears to be not too far away, and once it is practically achieved, it would lead to the most important application of the laser.

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Light Wave Communicationsgher and higher speeds of communication. In this chapter, we will discuss briefly the concept of carrier wave communication which uses electromagnetic waves as carriers of information and then discuss some basic features of optical fibers and their application to light wave communication.

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Optical Resonatorsn a closed cavity of practical dimensions (which are large compared to the wavelength of light). Section 7.3 discusses the important concept of the quality factor of an optical resonator. In this section we obtain the linewidth corresponding to the passive cavity in terms of the parameters of the resonator.

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