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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Oscillation and gain characteristics of high power co-axially excited N_(2) gas lasers
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Oscillation and gain characteristics of high power co-axially excited N_(2) gas lasers

机译：高功率同轴激发N_（2）气体激光器的振荡和增益特性

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摘要

A new type of co-axial discharge gas laser has been developed as a nitrogen laser, and the gain properties have been measured. The co-axial discharge tube consists of a ceramic pipe of inner diameter of 5 mm and length of 15 cm with two metallic electrodes at both ends. The excitation discharge was activated using a capacitor transfer circuit with a special pre-ionization discharge through the ceramic pipe. When the tube is used as an oscillator, an output laser energy of 0.45 mJ was obtained with pure N_(2) gas at pressure of 933 Pa (7 Torr). The time resolved gain measurement of N_(2) laser was made in the oscillator-amplifier configuration, and the value of the peak gain coefficient was estimated to 0.1 cm~(-1). The circuit analysis of the discharge circuit was also made to estimate discharge resistances, inductances and currents in the excitation circuit. The laser output increased up to 1.95 mJ at the charging voltage of 28 kV when the length and inner diameter of the discharge tube were increased to 30 cm and 9 mm respectively.
机译：已经开发出一种新型的同轴放电气体激光器作为氮激光器，并且已经测量了增益特性。同轴放电管由内径为5 mm，长度为15 cm的陶瓷管组成，两端分别带有两个金属电极。使用电容器传输电路激活激发放电，并通过陶瓷管进行特殊的预电离放电。当将该管用作振荡器时，使用纯N_（2）气体在933 Pa（7托）的压力下可获得0.45 mJ的输出激光能量。在振荡器-放大器配置中对N_（2）激光器进行时间分辨增益测量，峰值增益系数的值估计为0.1 cm〜（-1）。还对放电电路进行了电路分析，以估算励磁电路中的放电电阻，电感和电流。当放电管的长度和内径分别增加到30 cm和9 mm时，激光输出在28 kV的充电电压下增加到1.95 mJ。

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