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

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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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Lin, Z., Gao, C., Gao, M., Zhang, Y., & Weber, H. (2009). Diode-pumped single-frequency microchip CTH:YAG lasers using different pump spot diameters. Applied Physics B: Lasers and Optics, 94(1), 81-84. https://doi.org/10.1007/s00340-008-3303-0