Multidimensional Monte Carlo model for two-photon laser-induced fluorescence and amplified spontaneous emission

Yan Zhao, Xuesong Li, Lin Ma

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

This paper describes the development of a multidimensional model based on the Monte Carlo (MC) method for the modeling of laser-induced fluorescence (LIF) and amplified spontaneous emission (ASE) signals involved in multi-photon processes. Multi-photon LIF finds applications in a broad range of topics; however, the interpretation of the LIF signal is plagued by the nonlinear effects caused by the ASE. Past work focused on developing one-dimensional (1D) models. Therefore, this work developed an MC method to solve the governing equations of ASE and LIF in multidimension. The results were validated using existing 1D data, both experimental and modeling. The results suggest that past 1D models cause noticeable error in the ASE signal even when the measurement volume has a large aspect ratio. We expect this work to facilitate the ongoing research of multi-photon LIF, and to stimulate new experiments that can provide data to validate the model in 2D.

Original languageEnglish (US)
Pages (from-to)1588-1595
Number of pages8
JournalComputer Physics Communications
Volume183
Issue number8
DOIs
StatePublished - Aug 1 2012

Keywords

  • Amplified spontaneous emission
  • Laser-induced fluorescence
  • Monte Carlo simulation
  • Multi-photon
  • Multidimension

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