Operational characteristics of a dye Q-switch for a pulsed ruby laser

T. Thevar*, J. Watson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


This paper presents the results and analysis of experiments carried out on a dye Q-switch to evaluate its operational characteristics. The work was performed on a ruby laser, Q-switched by cryptocyanine in methanol solution. Investigations of performance with regards to pump energy, dye absorbance, output energy and timing of pulse emergence are graphically presented. These results were used to derive the efficiency of Q-switching for varying dye absorbance. Finally, optimization of the Q-switch performance for different requirements of the laser is considered.

Original languageEnglish
Pages (from-to)323-327
Number of pages5
JournalOptics and Laser Technology
Issue number6
Publication statusPublished - Dec 1992


  • dye Q-switches
  • laser (ruby)
  • Q-switch performance


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