A 1064 nm, 1085 nm dual-wavelength Nd:YVO4 laser using fabry-perot filters as output couplers

Xiao Zhong Wang*, Zhong Fa Wang, Yi Kun Bu, Zhe Liu, Lu Jian Chen, Guo Xiong Cai, Zhi Ping Cai, Judith M. Dawes

*Corresponding author for this work

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We propose and demonstrate a 1064- and 1085-nm dual-wavelength coupled-cavity Nd:YVO4laser by exploiting two dielectric Fabry-Perot bandpass filters as laser output couplers. A fiber-pigtailed 808-nm laser diode array is used to pump an a-cut Nd:YVO4crystal with a concave-plane resonator cavity. The first dielectric Fabry-Perot filter is designed to suppress the strong emission \(\sim 1064\) nm and facilitate the oscillation of 1085-nm weak emission. The second Fabry-Perot filter as output mirror is designed to transmit the 1085-nm laser as much as possible and facilitate the oscillation of the 1064-nm emission. Simultaneous dual-wavelength lasing at 1064 and 1085 nm is successfully achieved with the pump power of 1.4 W. The threshold pump power of the laser is 1 W. The maximum output power of the dual-wavelength laser is 220 mW and slope conversion efficiency is 8.7%. The design principle of the Fabry-Perot filter used as an output coupler is discussed.

Original languageEnglish
Article number6868194
Pages (from-to)1983-1985
Number of pages3
JournalIEEE Photonics Technology Letters
Volume26
Issue number19
DOIs
Publication statusPublished - 1 Oct 2014

Keywords

  • Dual-wavelength
  • laser diode pumped
  • solid-state lasers

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