Sub-pm linewidth nanosecond Nd:GYSGG laser at 1336.6 nm

Hui Li, Zhi Min Wang*, Feng Feng Zhang, Ming Qiang Wang, Jia Jia Li, Yu Lin Mao, Lei Yuan, Nan Zong, Shen Jin Zhang, Feng Yang, Yong Bo, Chun Qing Gao, Da Fu Cui, Qin Jun Peng, Zu Yan Xu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We demonstrate a sub-pm linewidth acousto-optic (AO) Q-switched nanosecond Nd:GYSGG ring laser at 1336.6 nm side-pumped by 808-nm quasi-continuous wave (QCW) diode lasers for the first time. With incident pulse energy of 4.23 J at 10 Hz, a maximum output macropulse energy of 36.7 mJ at 1336.6 nm with linewidth of less than 0.85 pm and a micropulse width of 300 ns was obtained at a repetition rate of 80 Hz, corresponding to an average micropulse peak power of 15.3 kW. The M2 factors were measured to be 1.42 and 1.10 in x and y directions, respectively. It can be tuned from 1336.576 to 1336.652 nm with a tuning resolution of 1 pm. The 1336.632 nm can be converted to deep ultraviolet (DUV) laser at 167.079 nm through its eighth harmonics, which is very useful for the 27Al+ optical frequency standard.

Original languageEnglish
Pages (from-to)776-779
Number of pages4
JournalOptics Letters
Volume40
Issue number5
DOIs
Publication statusPublished - 1 Mar 2015

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