Diode-pumped single-frequency microchip CTH:YAG lasers using different pump spot diameters

  • Z. Lin
  • , C. Gao*
  • , M. Gao
  • , Y. Zhang
  • , H. Weber
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

Single-frequency Cr,Tm,Ho:YAG (CTH:YAG) microchip lasers pumped by a 785 nm laser diode were reported. Three kinds of pump spot diameters (75, 100, and 120 μm) were investigated for 1 and 0.7 mm thick laser crystals. The maximum single-frequency output power was 32 mW at a crystal temperature of 10°C. The output power against the laser crystal temperature demonstrated the temperature sensitivity of the CTH:YAG laser. The frequency tuning by changing the temperature of the crystal was also investigated. A tuning coefficient of 1.4 GHz/°C was obtained.

Original languageEnglish
Pages (from-to)81-84
Number of pages4
JournalApplied Physics B: Lasers and Optics
Volume94
Issue number1
DOIs
Publication statusPublished - Jan 2009

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