Intense and Collimated Supercontinuum Generation Using Microlens Array

  • Mengmeng Yue
  • , Lihe Yan
  • , Yanmin Xu
  • , Vanthan Nguyen
  • , Tao Chen

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A method of high power supercontinuum (SC) generation is proposed, in which femtosecond pulses are focused into a transparent medium using a microlens array (MLA). The MLA combining a telescopic system is used to form long-path multiple filaments inside the medium, and another symmetrically arranged telescopic system and MLA are used to collimate of the emitting multiple SC beams from filaments. The reshaped stable SC beam shows a Gaussian intensity transverse distribution and similar spectra and chirp properties with that generated by single filament, while the pulse energy can be increased by more than two orders.

Original languageEnglish
Article number8063933
Pages (from-to)2031-2034
Number of pages4
JournalIEEE Photonics Technology Letters
Volume29
Issue number23
DOIs
StatePublished - 1 Dec 2017

Keywords

  • Laser beams
  • optical arrays
  • optical pulses
  • pulse modulation

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