Quantum-Defect-Limited Operation of Diode-Pumped Yb:YAG Laser at Low Temperature

• Shoji Takahiro

  Institute of Laser Engineering, Osaka University

• Tokita Shigeki

  Institute of Laser Engineering, Osaka University

• Kawanaka Junji

  Advanced Photon Research Center, Japan Atomic Energy Research Institute

• Fujita Masayuki

  Institute for Laser Technology

• Izawa Yasukazu

  Institute of Laser Engineering, Osaka University

Abstract

We have demonstrated a quantum-defect-limited operation in a diode-pumped Yb:YAG oscillator at low temperature. The highest slope efficiency of 90% at the crystal temperature of 70 K was obtained, which was close to the quantum efficiency of 91.2%. An optical-to-optical efficiency and a laser gain were 74% and 8 cm⁻¹, respectively at a low pump intensity of 2.3 kW/cm².

Journal

• Japanese Journal of Applied Physics

  Japanese Journal of Applied Physics 43 (4A), L496-L498, 2004

  The Japan Society of Applied Physics

Keywords

• diode-pumped solid-state laser
• Yb:YAG laser
• quasi-three-level laser
• high efficient laser
• low temperature

Details

• CRID: 1390282681241800576
• NII Article ID: 10012930592
• NII Article ID: 210000057220
• NII Article ID: 130004531815
• NII Book ID: AA11906093
• DOI: 10.1143/jjap.43.l496
• ISSN: 13474065
• ISSN: 00214922
• NDL BIB ID: 6904294
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I6904294
• Web Site: https://iopscience.iop.org/article/10.1143/JJAP.43.L496
• Web Site: https://iopscience.iop.org/article/10.1143/JJAP.43.L496/pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed