Exploiting concave-convex linear resonators to design end-pumped solid-state lasers with flexible cavity lengths: Application for exploring the self-mode-locked operation

P. H. Tuan, C. C. Chang, C. Y. Lee, C. Y. Cho, H. C. Liang, Yung-Fu Chen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The characteristics of a convex-concave linear resonator under the thermal lensing effect are theoretically analyzed to find an analytical model for designing end-pumped solidstate lasers with flexible cavity lengths. By exploiting the design model, the power scaling for continuous-wave operation under strong thermal lensing can be easily achieved in the proposed resonator with different cavity lengths. Furthermore, the proposed resonator is applied to explore the exclusive influence of cavity length on the self-mode-locked (SML) operation. It is discovered that the lasing longitudinal modes will split into multiple groups in optical spectrum to lead to a multi-pulse mode-locked temporal state when the cavity length increases. Finally, a theoretical model is derived to reconstruct the experimental results of SML operation to deduce a simple relationship between the group number of lasing modes and the cavity length.

Original languageEnglish
Pages (from-to)26024-26034
Number of pages11
JournalOptics Express
Volume24
Issue number23
DOIs
StatePublished - 14 Nov 2016

Keywords

  • ND-YAG LASER
  • HIGH-POWER
  • REPETITION-RATE
  • NDYVO4 LASER
  • DIODE
  • LENS
  • COMPACT
  • ROD
  • BIREFRINGENCE
  • COMPENSATION

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