Yan Feng

Summary

Publications

  1. ncbi Multiwatts narrow linewidth fiber Raman amplifiers
    Yan Feng
    European Southern Observatory, Garching, Germany
    Opt Express 16:10927-32. 2008
  2. ncbi 25 W Raman-fiber-amplifier-based 589 nm laser for laser guide star
    Yan Feng
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:19021-6. 2009
  3. ncbi 150 W highly-efficient Raman fiber laser
    Yan Feng
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:23678-83. 2009
  4. ncbi High power narrowband 589 nm frequency doubled fibre laser source
    Luke Taylor
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:14687-93. 2009
  5. ncbi Effect of grain-slag media for the treatment of wastewater in a biological aerated filter
    Yanzhen Yu
    School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
    Bioresour Technol 99:4120-3. 2008

Collaborators

Detail Information

Publications5

  1. ncbi Multiwatts narrow linewidth fiber Raman amplifiers
    Yan Feng
    European Southern Observatory, Garching, Germany
    Opt Express 16:10927-32. 2008
    ..The ratio of Raman to Brillouin gain coefficient of a fiber is identified as a figure of merit for building a narrow linewidth fiber Raman amplifier...
  2. ncbi 25 W Raman-fiber-amplifier-based 589 nm laser for laser guide star
    Yan Feng
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:19021-6. 2009
    ..The results demonstrate the narrow linewidth Raman fiber amplifier technology as a promising solution for developing laser for sodium laser guide star adaptive optics...
  3. ncbi 150 W highly-efficient Raman fiber laser
    Yan Feng
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:23678-83. 2009
    ..5%...
  4. ncbi High power narrowband 589 nm frequency doubled fibre laser source
    Luke Taylor
    European Southern Observatory, Karl Schwarzschildstr 2, D 85748 Garching, Germany
    Opt Express 17:14687-93. 2009
    ..Further, we expect the technology to be extendable, at similar or higher powers, to wavelengths limited only by the seed-pump-pair availability...
  5. ncbi Effect of grain-slag media for the treatment of wastewater in a biological aerated filter
    Yanzhen Yu
    School of Civil Engineering and Architecture, University of Jinan, Jinan 250022, China
    Bioresour Technol 99:4120-3. 2008
    ..More than 85% of ammonia nitrogen was removed at pH values from 5.2 to 7.8 ranges. Grain-slag can strip CaCO(3) into the wastewater to buffer pH value and maintain optimal nitrification rates...