Control of thermal effects for high-intensity Ti:sapphire laser chains
- Cite this article as:
- Zavelani-Rossi, M., Lindner, F., Le Blanc, C. et al. Appl Phys B (2000) 70(Suppl 1): S193. doi:10.1007/s003400000364
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We have experimentally studied thermal effects in highly pumped Ti:sapphire crystals in the 140–340 K temperature range. We demonstrate that a critical temperature exists, which depends on pumping and probing conditions, below which detrimental thermal effects completely disappear. In particular, we show that in a typical high-intensity Ti:sapphire amplifier, thermal lensing and wave-front distortions can be suppressed keeping the crystal temperature lower than ∼230 K.