Nonlinear Optics (eBook, PDF)

Redaktion: Skobel Tsyn, D. V.

• Format: PDF

Produktbeschreibung

In this paper we investigated the dynamics of the processes occurring in a Q-switched laser. This work was stimulated by the lack of data on the spatial and temporal development of generation, despite the obvious importance of such data in the use of giant light pulses in in vestigations of the nonlinear interaction of radiation and matter. From a systematic con sideration of a relatively simple model of a Q-switched laser we analytically investigated two main phases of development of the giant pulse - the phase of linear development of generation, which begins with amplification of the spontaneous emission in the modes, and the phase of nonlinear transverse development, during which the giant light pulse proper is emitted. In ad dition, fo r a thorough inve stigation of the picture of development of the pulse as a whole the equations were numerically integrated. ' Subsequent experiments [26, 27] confirmed the occurrence of transverse development of the giant pulse, while recent experiments on nonlinear amplification [28] have shown the sig nificance of this effect in the propagation of the giant pulse in a nonlinear medium. A know ledge of the transverse development of the giant pulse would appear to be essential for the exact determination of the true strength of the light field in experiments on multi photon pro cesses [29]. The developed theory also leads to recommendations for the design of lasers to generate giant light pulses of minimum length and minimum divergence of emission.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 203
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461575191
• Artikelnr.: 44060227

Inhaltsangabe

Some Questions of Gas Laser Theory.- I: Interaction of a Quantum System and an Electromagnetic Field.- 1. Induced Emission in a Strong Monochromatic Field.- 2. Spontaneous Emission with Induced Transitions Taken into Account.- 3. Induced Emission and Absorption of a "Weak" Field in the Presence of a "Strong" Field.- 4. Effect of Atomic Collisions.- II. Application to Laser Theory.- 5. Monochromatic Generation.- 6. Stability of Monochromatic Generation.- Interaction of Electromagnetic Fields with Active Media.- Electrodynamics of Lasers with an Open Resonator and Inhomogeneous Filling.- Dynamics of a Q-Switched Laser.- Nonlinear Interactions of Electromagnetic Waves in an Active Medium and Their Possible Application to the Development of New Types of Lasers.