Exploring the self-mode-locked dynamics of cryogenic diode-pumped Nd:YLF lasers: Switching of orthogonal polarizations

T. L. Huang, C. Y. Cho, H. C. Liang, Kai-Feng Huang, Yung-Fu Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The self-mode-locked output for cryogenic Nd:YLF laser at the temperature range of 90 K to 290 K is thoroughly investigated. Linearly polarized self-mode-locked lasing at 1047 nm (1053 nm) with a repetition rate up to 1.59 GHz and a pulse width as short as 52 ps can be realized at temperatures above 155 K (below 135 K). Orthogonally polarized self-mode-locked operation can be observed at temperatures near 145 K. During dual-polarization operation, it is found that the polarized component with higher output power is the fundamental transverse mode, whereas the other component with lower output power becomes the high-order transverse mode. The dominant polarized component can be either π- or σ-polarization, depending on the fine adjustment of the cavity.

Original languageEnglish
Article number085805
JournalLaser Physics Letters
Volume14
Issue number8
DOIs
StatePublished - 1 Aug 2017

Keywords

  • cryogenic
  • diode-pumped
  • laser
  • self mode locking

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