Control of thermal effects for high-intensity Ti:sapphire laser chains
Control of thermal effects for high-intensity Ti:sapphire laser chains
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DOI：
10.1007/s003400000364
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发表时间：
2000-06
期刊：
影响因子：
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通讯作者：
M. Zavelani‐Rossi;F. Lindner;C. Le Blanc;G. Chériaux;J. Chambaret
中科院分区：
文献类型：
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作者：
M. Zavelani‐Rossi;F. Lindner;C. Le Blanc;G. Chériaux;J. Chambaret
我们实验研究了高泵浦钛蓝宝石晶体在140-340 K温度范围内的热效应。我们证明了存在一个临界温度，它取决于泵送和探测条件，低于此温度有害的热效应完全消失。特别是，我们证明了在典型的高强度Ti：蓝宝石放大器中，可以抑制热透镜和波前畸变，保持晶体温度低于~ 230 K。
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.