• DocumentCode
    743584
  • Title

    Study of Wavelength Dependence of Mode Instability Based on a Semi-Analytical Model

  • Author

    Rumao Tao ; Pengfei Ma ; Xiaolin Wang ; Pu Zhou ; Zejin Liu

  • Author_Institution
    Coll. of Optoelectric Sci. & Eng., Nat. Univ. of Defense Technol., Changsha, China
  • Volume
    51
  • Issue
    8
  • fYear
    2015
  • Firstpage
    1
  • Lastpage
    6
  • Abstract
    We present theoretical study of wavelength dependence of mode instability (MI) in high power fiber lasers, which employs an improved semi-analytical theoretical model. The influence of pump/seed wavelength and photodarkening on threshold has been studied. The results indicate promising MI suppression through pumping or seeding at an appropriate wavelength. Small amounts of photodarkening can lead to a significant impact on MI.
  • Keywords
    fibre lasers; laser modes; laser stability; optical pumping; photochromism; high power fiber lasers; mode instability; photodarkening; pump/seed wavelength; semianalytical model; wavelength dependence; Absorption; Couplings; Heating; Optical fiber amplifiers; Optical fiber theory; Photochromism; Mode instabilities; fiber amplifier; thermal effects;
  • fLanguage
    English
  • Journal_Title
    Quantum Electronics, IEEE Journal of
  • Publisher
    ieee
  • ISSN
    0018-9197
  • Type

    jour

  • DOI
    10.1109/JQE.2015.2442760
  • Filename
    7120087
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=743584