Femtosecond Laser Filamentation (Springer Series on Atomic, Optical, and Plasma Physics)

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9781441906878: Femtosecond Laser Filamentation (Springer Series on Atomic, Optical, and Plasma Physics)
Reseña del editor:

This book attempts to give a discussion of the physics and current and potential applications of the self-focusing of an intense femtosecond laser pulse in a tra- parent medium. Although self-focusing is an old subject of nonlinear optics, the consequence of self-focusing of intense femtosecond laser pulses is totally new and unexpected. Thus, new phenomena are observed, such as long range lam- tation, intensity clamping, white light laser pulse, self-spatial ltering, self-group phase locking, self-pulse compression, clean nonlinear uorescence, and so on. Long range propagation at high intensity, which is seemingly against the law of diffraction, is probably one of the most exciting consequences of this new sub- eld of nonlinear optics. Because the intensity inside the lament core is high, new ways of doing nonlinear optics inside the lament become possible. We call this lamentation nonlinear optics. We shall describe the generation of pulses at other wavelengths in the visible and ultraviolet (UV) starting from the near infrared pump pulse at 800 nm through four-wave-mixing and third harmonic generation, all in gases. Remotely sensing uorescence from the fragments of chemical and biological agents in all forms, gaseous, aerosol or solid, inside the laments in air is demonstrated in the labo- tory. The results will be shown in the last part of the book. Through analyzing the uorescence of gas molecules inside the lament, an unexpected physical process pertaining to the interaction of synchrotron radiation with molecules is observed.

Reseña del editor:

When a powerful femtosecond laser pulse propagates in an optical medium, self-focusing occurs. This book reviews the current up-to-date understanding of the physics of propagation leading to the self-transformation of the laser pulse into a white light laser pulse during self-focusing and filamentation. The physics of multiple filamentation and competition will be discussed. Its capability to melting glasses inside the filaments is observed which explains the physics of wave guide writing. Its potential applications in atmospheric sensing and material processing together with possible future challenges in the interaction of such self-transformed white light laser pulses with atoms and molecules will be treated. Nonlinear optics such as third harmonic generation in the filaments with self-phase locking will also be discussed.

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Verlag: Springer-Verlag Gmbh Jan 2010 (2010)
ISBN 10: 1441906878 ISBN 13: 9781441906878
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Buchbeschreibung Springer-Verlag Gmbh Jan 2010, 2010. Buch. Buchzustand: Neu. 235x155x13 mm. Neuware - This book attempts to give a discussion of the physics and current and potential applications of the self-focusing of an intense femtosecond laser pulse in a tra- parent medium. Although self-focusing is an old subject of nonlinear optics, the consequence of self-focusing of intense femtosecond laser pulses is totally new and unexpected. Thus, new phenomena are observed, such as long range lam- tation, intensity clamping, white light laser pulse, self-spatial ltering, self-group phase locking, self-pulse compression, clean nonlinear uorescence, and so on. Long range propagation at high intensity, which is seemingly against the law of diffraction, is probably one of the most exciting consequences of this new sub- eld of nonlinear optics. Because the intensity inside the lament core is high, new ways of doing nonlinear optics inside the lament become possible. We call this lamentation nonlinear optics. We shall describe the generation of pulses at other wavelengths in the visible and ultraviolet (UV) starting from the near infrared pump pulse at 800 nm through four-wave-mixing and third harmonic generation, all in gases. Remotely sensing uorescence from the fragments of chemical and biological agents in all forms, gaseous, aerosol or solid, inside the laments in air is demonstrated in the labo- tory. The results will be shown in the last part of the book. Through analyzing the uorescence of gas molecules inside the lament, an unexpected physical process pertaining to the interaction of synchrotron radiation with molecules is observed. 130 pp. Englisch. Artikel-Nr. 9781441906878

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