Laser Diagnostics for Reacting Flow
The principles of spectroscopic laser diagnostics including absorption, fluorescence, and Raman scattering techniques are the focus of the class. The basic theory of the interaction of laser radiation with atomic and molecular resonances is presented, and the treatment is thorough enough so that the students can calculate signal levels and detection limits for each of the diagnostic methods that are discussed. The lasers and detectors that are used for the advanced laser diagnostic methods are described in detail.
In the class notes you will find that the focus is on near-final expressions for single-photon resonances and multi-photon resonances including Raman resonances. The reason for the emphasis on near-final expressisons is so that you can perform calculations to determine flow parameters of interest such as temperature and species concentrations from measured laser spectorscopic signals. However, I am currently working on a book in which the expressions that we use in class are derived in detail from fundamental principles of quantum mechanics. These chapters will be posted online and will be updated throughout the semester as I continue to edit them. A possible class project will be a detailed review of one or more of these chapters.