Photothermal Investigations of Solids and Fluids

Photothermal Investigations of Solids and Fluids

1st Edition - January 28, 1989

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  • Author: J Sell
  • eBook ISBN: 9780323154222

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Photothermal Investigations of Solids and Fluids discusses photothermal optical diagnostic techniques in the study of solids and fluids, which involve areas of photothermal spectroscopy, imaging, and velocimetry. This book explores the development of lasers as powerful and convenient sources of localized energy. Organized into 10 chapters, this monograph begins with an overview of photothermal spectroscopy as the field in which the nature of matter is probed using optical excitation of a medium and optical probing of the thermal energy that results from this excitation. This book then provides the reader with a link between the physics applicable to the photothermal experiments and the methodology involved in such investigation. Other chapters examine the experimental photothermal detectors that are constructed for use in most forms of chromatography and electrophoresis. The final chapter deals with several promising spectroscopies, including photothermal interferometry, photothermal modulation of Mie scattering, and photophoretic spectroscopy. Graduate students, professors, and research scientists will find this monograph extremely useful.

Table of Contents

  • List of Contributors


    1. Overview of Photothermal Spectroscopy

    I. Introduction

    II. PT Detections and Applications

    III. Conclusion

    2. Photothermal Investigation of Solids: Basic Physical Principles

    I. Physical Parameters Involved in a Photothermal Experiment

    II. Detection of the Photothermal Signal

    III. Photothermal Signal Generation: Theoretical Approach

    IV. Specific Problems

    V. Spectral and Spatial Multiplexing the Photothermal Signals

    3. The Theory of the Photothermal Effect in Fluids

    I. Formation of the Thermal Image

    II. Detection of the Thermal Image

    4. Photothermal Spectroscopy: Applications in Chromatography and Electrophoresis

    I. General Introduction to Chromatography and Electrophoresis

    II. Photothermal Gas-Chromatography Detectors

    III. Photothermal Liquid-Chromatography Detectors

    IV. Photothermal Flow-Injection Analysis Detectors

    V. Photo thermal Electrophoresis Detectors

    VI. Photo thermal Detectors for Thin-Layer Chromatography

    VII. Conclusions

    5. Photothermal Studies of Energy Transfer and Reaction Rates

    I. Introduction

    II. Time-Resolved Optoacoustics

    III. Time-Dependent Thermal Lensing

    IV. Timescales

    V. TDTL and TROA Theory

    VI. Experimental Methods

    VII. Observed and Calculated Results

    VIII. Conclusions

    6. Mirage Detection of Thermal Waves

    I. Imaging of Surface and Subsurface Defects in Solids

    II. Characterization of Material Properties

    7. Fluid Velocimetry Using the Photothermal Deflection Effect

    I. Introduction

    II. Photothermal Deflection Effect

    III. Related Research

    IV. Laminar Flow (Low Velocity)

    V. Laminar Flow (High Velocity)

    VI. Turbulent Flows

    VII. Two-Dimensional Velocity Measurements

    VIII. Velocities for Flowing Liquids

    IX. Temperature and Pressure Dependence of PD Signals

    X. Conclusions

    XI. Appendix

    8. Combustion Diagnostics by Photothermal Deflection Spectroscopy

    I. Introduction

    II. Variation of the PTDS Signal with Temperature

    III. Variation of Relevant Parameters with Temperatures

    IV. Observation of PTDS Signals in Flames

    V. Concentration Measurements

    VI. Temperature Measurements

    VII. Flow-Velocity Measurements

    VIII. Flame Spectroscopy

    9. Photothermal Characterization of Electrochemical Systems

    I. Introduction

    II. Out-of-Cell Characterization of Electrodes

    III. In Situ Characterization of Electrodes

    IV. Electrochemical Interface Reactions

    V. Corrosion and Thin-Film Growth Processes

    VI. Diffusion of Electrochemical Species

    VII. Energy-Transfer Physics at Photoelectrochemical Interfaces

    VIII. Conclusions and Future Directions

    10. Photothermal Spectroscopy of Aerosols

    I. Introduction

    II. Survey of Possible Photothermal Schemes

    III. Early Work

    IV. Photo thermal Interferometry

    V. Photothermal Modulation of Light Scattering

    VI. Photophoresis

    VII. Conclusion


Product details

  • No. of pages: 360
  • Language: English
  • Copyright: © Academic Press 1989
  • Published: January 28, 1989
  • Imprint: Academic Press
  • eBook ISBN: 9780323154222

About the Author

J Sell

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