Design of efficient high-power diode-end-pumped TEMoo Nd:YVO4 laser

Yung-Fu Chen*, Chen Cheng Liao, Yu-Pin Lan, S. C. Wang

*Corresponding author for this work

Research output: Contribution to journalConference article

1 Scopus citations

Abstract

A systematic investigation on a series of Nd:YVO4 crystals with different dopant concentrations is conducted to scale the diode-end-pumped laser performance to higher powers. The analysis reveals that lowering the dopant concentration linearly extends the fracture-limited pump power and the thermal shock parameter plays an important role in the estimation of the fracture-limited pump power. The thermal shock parameter in Nd:YVO4 crystals has been determined from the laser experiments. Based on the analysis, we demonstrate a compact and efficient diode-end-pumped TEMoo laser with output power of 25.2-W for 52-W of incident pump power by use of a single YVO4 crystal with a Nd concentration of 0.3 at.%. In Q-switched operation 21-W of average power at a pulse repetition rate of 100 kHz and approximately 1.1-m pulse energy at a pulse repetition rate of 10 kHz were produced.

Original languageEnglish
Pages (from-to)116-121
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3929
DOIs
StatePublished - 1 Jan 2000
EventSolid State Lasers IX - San Jose, CA, USA
Duration: 25 Jan 200026 Jan 2000

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