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A 980-nm Yb-doped fiber MOPA source and its frequency doubling

  • D. B.S. Soh
  • , C. Codemard
  • , S. Wang
  • , J. Nilsson
  • , J. K. Sahu
  • , F. Laurell
  • , V. Philippov
  • , Y. Jeong
  • , C. Alegria
  • , S. Baek

Research output: Contribution to journalArticlepeer-review

Abstract

A continuous-wave (CW) master oscillator-power amplifier (MOPA) fiber source, tunable around 978 nm, was frequency-doubled to 488.7 nm. Both the laser and the amplifier were made with cladding-pumped jacketed air-clad Yb-doped fibers. The MOPA generated up to 2.7 W of power in an output beam with an M2 value of 1.8. This was frequency-doubled in a periodically poled potassium titanyl phosphate crystal at room temperature, in a single-pass configuration. The generated blue light had a CW power of 18.1 mW, a nearly Gaussian spatial intensity profile, and an M2 value of 1.7.

Original languageEnglish (US)
Pages (from-to)1032-1034
Number of pages3
JournalIEEE Photonics Technology Letters
Volume16
Issue number4
DOIs
StatePublished - Apr 2004
Externally publishedYes

Keywords

  • Blue
  • Fiber laser
  • Frequency doubling
  • Master oscillator-power amplifier (MOPA)
  • Potassium titanyl phosphate (KTP)

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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