Abstract
Lasing action is reported in a new type of fiber design. The fiber consists of an undoped core and a doped glass cladding surrounded by a plastic coating. The refractive indices obey the relation n clad> n core⪢ n coat. The refractive index/doping concentration distribution recommends to the designation M-profile fiber (MPF). The brightness and the output power of the MPF laser may at least be as high as that of a double clad fiber (DCF) laser. For the first properly working MPF laser the near and far field intensity distributions are reported along with measurements concerning the pump light distribution in the fiber, the output power, lasing spectrum and polarisation of the emitted radiation.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
