PREFACE. |
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ACKNOWLEDGEMENTS. |
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SOME PHYSICAL CONSTANTS OF INTEREST IN SPECTROSCOPY. |
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I FUNDAMENTALS. |
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I.1 Origin of the Spectroscopy. |
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I.2 Electromagnetic Spectrum. Optical Spectroscopy. |
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I.3 Absorption. The Spectrophotometer. |
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I.4 Luminescence. The Spectrofluorimeter. Time resolved luminescence. |
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I.5 Scattering. The Raman effect. |
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I.6 Advanced topic: The Fourier Transform Spectrophotometer. |
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II LIGHT SOURCES. |
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II.3 The Laser. Basic principles. |
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II.5 Tunability of laser radiation. The Optical Parametric Oscillator. |
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II.6 Advanced Topic:1) Site Selective Spectroscopy. 2) Excited State Absorption. |
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III MONOCHROMATORS AND DETECTORS. |
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III.3 Types of detectors. Basic parameters. |
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III.4 The Photomultiplier. |
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III.5 Signal/noise ratio optimisation. |
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III.6 Detection of pulses. |
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III.7 Advanced Topic: Detection of very fast pulses; The Streak Camera; The Correlator. |
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IV. OPTICAL TRANSPARENCY OF SOLIDS. |
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IV.2 Optical magnitudes and the dielectric constant. |
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IV.3The Lorentz oscillator. |
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IV.5 Semiconductors and insulators. |
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IV.6 Spectral shape of the fundamental absorption edge. |
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IV.8 Advanced topic: The colour of metals. |
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V. OPTICALLY ACTIVE CENTRES. |
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V.2 Static interaction. The crystalline field. |
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V.3 Band intensities. The oscillator strength. |
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V.4 Dynamic interaction. The coordinate configuration diagram. |
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V.5 Band shape. The Huang-Rhys factor. |
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V.6 Non radiative transitions. Energy transfer. |
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V.7 Advanced topic: Determination of quantum efficiencies. |
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VI. APPLICATIONS: RARE EARTH AND TRANSITION METAL IONS, COLOUR CENTERS. |
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VI.2 Trivalent rare earth ions. Diagram of Dieke. |
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VI.3 Non radiative transitions in rare earth ions; The "energy gap" law. |
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VI.4 Transition metal ions. Tanabe- Sugano diagrams. |
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VI.6 Advanced topic: 1) The Judd and Ofelt method. 2) Optical cooling of solids. |
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VII. GROUP THEORY AND SPECTROSCOPY. |
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VII.2 Symmetry operations and classes. |
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VII.3 Representations. The character table. |
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VII.4 Reduction in symmetry and splitting of energy levels. |
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VII.5 Selection rules for optical transitions. |
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VII.6 Illustrative examples. |
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VII.7 Advanced topic: Applications to optical transitions of Kramers ions. |
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APPENDICES. |
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APPENDIX A1.- The joint density of states. |
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APPENDIX A2.- Effect of an octahedral field on a valence electron d1. |
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APPENDIX A3.- Calculation of the spontaneous emission probability by the Einstein thermodynamic treatment. |
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APPENDIX A4.- Determination of the Smakula´s formula. |
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INDEX. |
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