Introduction: physics and applications of microresonators.

@article{Astratov2007IntroductionPA,
  title={Introduction: physics and applications of microresonators.},
  author={Vasily N. Astratov},
  journal={Optics express},
  year={2007},
  volume={15 25},
  pages={17171}
}
An introduction to the Focus Issue devoted Physics and Applications of Microresonators is presented. An introduction includes a description of the area of microresontors and a description of the background and structure of the Focus Issue.