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Conferences > CLEO_Europe > 2007 > CM2 > CM2_2
  • CLEO/Europe and IQEC 2007 Conference Digest
  • (Optica Publishing Group, 2007),
  • paper CM2_2

Nonlinear diffraction in sub-critical femtosecond inscription

S. K. Turitsyn, V. K. Mezentsev, M. Dubov, A. M. Rubenchik, M. P. Fedoruk, and E. V. Podivilov

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Abstract

Material processing using high-intensity femtosecond (fs) laser pulses is a fast developing technology holding potential for direct writing of multi-dimensional optical structures in transparent media. The technology is based on the induction through multi-photon absorption irreversible modification of the material within the focal volume of the laser beam. Because of the sharp dependence of the multiphoton ionisation process on the field intensity, semi-emprirically [1,2]

© 2007 IEEE

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