Scaling output energy in a diode-end-pumped passively Q-switched laser with a flat–flat resonator

C. Y. Tang, Y. J. Huang, H. C. Liang, Yung-Fu Chen, Kuan-Wei Su*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The spatial and temporal behaviors in a diode-end-pumped passively Q-switched laser with a flat–flat resonator are systematically explored as a function of the cavity length. A Nd:YAG/Cr 4+ :YAG miniature laser is experimentally used to show that the scale-up of the pulse energy without the higher-order transverse modes can be practically realized by optimizing the cavity length as a function of the pump size. A theoretical analysis is performed to confirm the experimental results. The extracavity second harmonic generation is experimentally conducted to demonstrate the usefulness of the laser design. PACS number(s): 42.60.Gd Q-switching; 42.55.Xi Diode-pumped lasers; 42.55.-f Lasers; 42.65.Sf Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatiotemporal dynamics.

Original languageEnglish
Article number20
Number of pages8
JournalApplied Physics B: Lasers and Optics
Volume123
Issue number1
DOIs
StatePublished - 1 Jan 2017

Keywords

  • ND-YAG LASER
  • CR4+-YAG SATURABLE ABSORBER
  • MONOLITHIC MICROCHIP LASER
  • UV LASER
  • 1053 NM
  • POWER
  • CR4+YAG
  • INSTABILITIES
  • POLARIZATION
  • OSCILLATION

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