## Proceedings of LFNM'...: International Workshop on Laser and Fiber-optical Networks Modeling, Volume 6Kharkiv State University of Radio Electronics, 2004 - Fiber optics |

### From inside the book

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Page 74

Then this method is effective only at long

approximation . As it follows from the study in [ 3 ] even special modification of

algorithm cannot appreciably improve accuracy at a

Rayleigh length ...

Then this method is effective only at long

**distances**and in the paraxialapproximation . As it follows from the study in [ 3 ] even special modification of

algorithm cannot appreciably improve accuracy at a

**distance**of about theRayleigh length ...

Page 75

error E 2 0.3 5 R 0.2 0.1 0.5 Fig.2 illustrates the dependence on the divergence

for different

smaller

error E 2 0.3 5 R 0.2 0.1 0.5 Fig.2 illustrates the dependence on the divergence

for different

**distance**from the focal plane . It's clear that accuracy is better forsmaller

**distance**between planes . Then this algorithm is preferable for UL = 10 ...Page 221

+ ( x - 3 ) 2 + ( y – 52 ] 2 is the

observation point , z is the

observation plane , and x , y ; Š 5 are the rectangular Cartesian coordinates at

the object plane ...

+ ( x - 3 ) 2 + ( y – 52 ] 2 is the

**distance**between the surface point and theobservation point , z is the

**distance**between the plane of the object to theobservation plane , and x , y ; Š 5 are the rectangular Cartesian coordinates at

the object plane ...

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### Contents

L Lasers and Resonators | 1 |

Compact electricdischarge excimer lasers invited | 14 |

Simplified model for XECLlasers | 29 |

Copyright | |

14 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