## Proceedings of LFNM'...: International Workshop on Laser and Fiber-optical Networks Modeling, Volume 6Institution of Electrical and Electronics Engineers, 2004 - Fiber optics |

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Page 177

instantaneous power of the beam varying in time , Per is the critical power of self -

focusing ) and equal to

area is scantily studied . The assumption is used that after focal area beam ...

instantaneous power of the beam varying in time , Per is the critical power of self -

focusing ) and equal to

**radius**of focal area . The behavior of a beam behind focalarea is scantily studied . The assumption is used that after focal area beam ...

Page 269

Therefore , the paraxial beam characterized by small

angles of trajectories was considered . The change of the mechanical trajectory

of the proton in the radial direction evoked by the spatial charge distributed in

some ...

Therefore , the paraxial beam characterized by small

**radius**and small slopeangles of trajectories was considered . The change of the mechanical trajectory

of the proton in the radial direction evoked by the spatial charge distributed in

some ...

Page 270

( 5 ) Taking into account that dr _ 20 " r Ľ and except the time from the motion

equation we derive an equivalent path equation dy250202 fr ( z ) / 2 = 0 = Ro 1 |

2 - 0 = tga The sought beams

space ...

( 5 ) Taking into account that dr _ 20 " r Ľ and except the time from the motion

equation we derive an equivalent path equation dy250202 fr ( z ) / 2 = 0 = Ro 1 |

2 - 0 = tga The sought beams

**radius**which is subjected to the influence of thespace ...

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### Contents

L Lasers and Resonators | 11 |

Optically coupled lasers Invited | 11 |

Mathematical models applied to optical and thermal diagnostic of semiconductor | 17 |

Copyright | |

13 other sections not shown

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absorption active allows amplitude analysis angle aperture application approximation band beam calculated characteristics coefficient coherent components considered constant corresponds crystal defined density dependence described determined developed devices diffraction direction distance distribution e-mail effect efficiency electric electron elements emission energy equal equation excitation experimental expression fiber fibre field Figure frequency function given grating IEEE increase initial intensity interference Kharkiv laser layer length light losses material means measured medium method mirror mode modulation nonlinear observed obtained operation optical oscillators output parameters phase photon Physics plane polarization possible presented problem processes propagation properties pulse quantum radiation range received REFERENCES reflection refraction region relative resonator sample scattering shown shows signal solution spectral spectrum stability structure surface temperature Ukraine University wave waveguide wavelength