High-power efficient Yb-doped fiber Laser with low quantum defect

Guancheng Gu, Zhengyong Liu, Fanting Kong, Hwa Yaw Tam, Ramesh K. Shori, Liang Dong

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

1 Citation (Scopus)

Abstract

Using an ytterbium-doped-phosphosilicate double-clad leakage channel fiber with ~50μm core and ~420μm cladding, we have achieved ~70% optical-to-optical efficiency at 1018nm. The much larger cladding enables use of high-power low-brightness diodes, a key for efficient kW operation.
Original languageEnglish
Title of host publicationWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015
PublisherOptical Society of America (OSA)
ISBN (Print)9781943580057
Publication statusPublished - 13 Nov 2015
EventWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015 - Hong Kong Polytechnic University, Kowloon, Hong Kong
Duration: 4 Nov 20156 Nov 2015

Conference

ConferenceWorkshop on Specialty Optical Fibers and their Applications, WSOF 2015
CountryHong Kong
CityKowloon
Period4/11/156/11/15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

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