Ray and Wave Propagation through Optical Media

  • Orazio Svelto


Before entering into a detailed discussion of optical resonators, the subject of Chap. 5, we introduce, in this chapter, a few topics from geometrical and wave optics that are not usually covered in elementary optics texts but provide a useful background. In particular, the matrix formulation of geometrical optics, within the paraxial-ray approximation, and wave propagation, within the paraxial-wave approximation, leading to a treatment of Gaussian beam propagation, will be discussed. In addition, multiple interference, such as in a multilayer dielectric coating or in a Fabry—Perot interferometer, will also be considered.


Spot Size Gaussian Beam Beam Waist Spherical Wave Free Spectral Range 


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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • Orazio Svelto
    • 1
  1. 1.Polytechnic Institute of Milan and National Research CouncilMilanItaly

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