## Optical Methods for Information Technologies |

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### Contents

Preface 111 | 1 |

GradientIndex Optical Waveguides and Lenses | 27 |

Diffraction Theory Methods in Wavefront Transformation Problems | 67 |

Copyright | |

7 other sections not shown

### Common terms and phrases

amplitude angle aperture axis calculate carrier characterized confocal cavity consider coordinate corresponds curves cylindrical decreases determined diffraction efficiency diffraction grating diffraction loss directional pattern disk distance domain eikonal equation electrical Euler equation field distribution field structure focusing following form formula Fourier Fraunhofer diffraction Fresnel number fringes function geometrical optics gradient-index hologram holographic memory increase information recording inhomogeneous medium integral intensity lasing material lenses lithium niobate located microhologram modes natural oscillations object obtain one-dimensional holograms optical cavity optical waveguides oscillation types oscillations phase photodetector photosensitive photosensitive layer photosensitive medium plane wave problem quality factor radius ray path equation reading realized recording density reference beam reference wave refractive index resolution power restored image result self-focusing self-focusing waveguide shown in Fig signal wave solution spatial frequency spectrum spherical mirrors superposition surface three-dimensional hologram transmission transparency transverse variation varies wavefront wavelength waves propagating width zero