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Principles of Nonlinear Optical Spectroscopy by Shaul Mukamel

Principles of Nonlinear Optical Spectroscopy Shaul Mukamel ebook
Format: djvu
ISBN: 0195092783, 9780195092783
Publisher: Oxford University Press, USA
Page: 549

"In contrast with semiconductor based photovoltaic cells where the charge separation occurs in the p-n junction of the bulk semiconductor material the principles of organic solar cells are closely related to photosynthetic light harvesting. 2) Based on same principles as SERS, resonant enhancements may boost the nonlinear optical response by orders of magnitude. Because of its nonlinear origin, the Raman scattering has a much smaller molecular . For example, lasing can occur through a However, since the Pauli exclusion principle prevents more than one charge from occupying each state, this situation results in a small population inversion and limits the light that could be emitted to a small range of frequencies. In vi-brational Raman spectroscopy, the chemical contrast comes from a nonlinear effect: the molecule polarizability is modulated, depending on the molecular symmetry, by vibrational interactions. Consequently, the electronic structure of hexagonal manganites has been clearly depicted by linear and nonlinear optical spectroscopy, which further provides the basis for the excitation and relaxation of electrons in pump-probe spectroscopy. The result of the first-principle electronic structure calculations also suggested that the top of the valence band is mainly determined by the O 2p states, and the lowest unoccupied band is formed by the of Mn [30, 66]. Yet, nonlinear properties are often the basis of functional optical devices, as they enable functions such as ultrafast modulation and control, and gain. Raman Spectroscopy for Chemical Analysis – RICHARD L. Principles of nonlinear optical spectroscopy – Mukamel.S.djvu. Principles of Fluorescence Spectroscopy 2d Ed – Joseph R.