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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Observation of intra-pulse thermal effect induced double pulsing in a single-mode TEA CO2 laser
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Observation of intra-pulse thermal effect induced double pulsing in a single-mode TEA CO2 laser

机译：在单模TEA CO2激光器中观察脉冲内热效应引起的双脉冲

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摘要

We have observed the emission of two optical pulses as a result of a mode pushing and pulling phenomena of a thermal origin in the operation of a single-mode TEA CO2 laser. This effect arises from the intra-pulse temperature induced change of the refractive index and it can push the cavity mode, when appropriately located with respect to the centre of transition, out of lasing. Following the termination of lasing, as the temperature equilibrates, the mode is pulled back into the gain domain thereby causing the emission of the second pulse. We have provided experimental evidence in support of this mechanism and also discussed possible applications of this two-pulse laser. [References: 10]
机译：我们已经观察到由于在单模TEA CO2激光器的操作中热源的模式推动和拉动现象而产生的两个光脉冲的发射。该效应是由脉冲内温度引起的折射率变化引起的，当相对于转变中心适当定位时，它可以将腔模推离激光。发射激光后，随着温度的平衡，模式被拉回到增益域，从而导致发射第二个脉冲。我们提供了支持该机制的实验证据，还讨论了这种两脉冲激光器的可能应用。 [参考：10]

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