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An accurate method to calculate the negative dispersion generated by prism pairs

  • Shengyi Yang*
  • , Kang Lee
  • , Zheng Xu
  • , Xiqing Zhang
  • , Xurong Xu
  • *Corresponding author for this work
  • Beijing Jiaotong University
  • Beijing University of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Based on the principle of diffraction for light transport in prisms, we figured the physical image for light beams passing through a pair of prisms. The mechanism to induce negative dispersion was analyzed and the numerical expression of optical path length was provided. From a series of mathematical equations, we calculate the quantity of negative dispersion, such as the second- and third-order dispersion, induced by prism pairs. Compared with the expressions of Fork et al. (Opt. Lett. 9(5) (1984) 150), our equations can lead to accurate results and reasonably elucidate the implication of dispersion.

Original languageEnglish
Pages (from-to)381-387
Number of pages7
JournalOptics and Lasers in Engineering
Volume36
Issue number4
DOIs
Publication statusPublished - Oct 2001
Externally publishedYes

Keywords

  • Femtosecond lasers
  • Negative dispersion
  • Optical path length
  • Prism pairs

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