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Near diffraction limit high-brightness 850 nm tapered laser diodes

  • Ye Yang
  • , Yun Liu
  • , Jin Long Zhang
  • , Zai Jin Li
  • , Xiao Nan Shan
  • , Li Jun Wang

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

High-power high-brightness tapered laser diodes emitting at 850 nm have been manufactured, and the beam quality of near diffraction limit has been achieved. The beam propagation factor M2 is only 1.7 and the high brightness is up to 16.3 MW·cm-2·sr-1 when the output power is 200 mW, and the values change to 2.8 and 9.9 MW · cm-2 · sr-1 under 1 W output. The electro-optical properties of tapered lasers are discussed. We have also studied the influence of tapered section length on output power. The results reported in this paper may become a step forward to new applications of tapered laser diodes.

Original languageEnglish
Pages (from-to)1064-1068
Number of pages5
JournalFaguang Xuebao/Chinese Journal of Luminescence
Volume32
Issue number10
DOIs
StatePublished - Oct 2011
Externally publishedYes

Keywords

  • 850 nm
  • High brightness
  • Tapered laser diode
  • The beam propagation factor M

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