Furumoto H W, Ceccon H L
Appl Opt. 1969 Aug 1;8(8):1613-23. doi: 10.1364/AO.8.001613.
Several types of low energy, ultrafast flashlamps systems have been investigated as optical pumps for lasers using fast decaying fluorescent materials, in particular, organic dyes. Of the various systems examined, the coaxial lamp with a spark gap switch proved to be the most useful for pumping the organic dyes. Parameters optimized were gas type, gas pressure, discharge volume, and electrical circuitry. At optimum operation, the annular volume of the coaxial lamp is completely filled with the discharge and the current rise time is determined mainly by the external circuit inductance. The rapidity and uniformity of the discharge is attributed to photoionization of the gas fill. Current rise times are typically 140 nsec for energies up to 100 J. Because of the photoionization process, these coaxial lamps are considered to be a different class of flashlamps from the standard capillary discharge lamp, the sliding spark lamp, and the ablating wall lamp. Less useful systems that were investigated are described, and the reason for their deficiencies are analyzed.
人们已经研究了几种低能量、超快闪光灯系统，将其作为使用快速衰减荧光材料（特别是有机染料）的激光器的光泵浦源。在所研究的各种系统中，带有火花隙开关的同轴灯被证明是泵浦有机染料最有用的。优化的参数包括气体类型、气体压力、放电体积和电路。在最佳操作时，同轴灯的环形体积完全充满放电，电流上升时间主要由外部电路电感决定。放电的快速性和均匀性归因于填充气体的光电离。对于高达100 J的能量，电流上升时间通常为140纳秒。由于光电离过程，这些同轴灯被认为是与标准毛细管放电灯、滑动火花灯和烧蚀壁灯不同类别的闪光灯。文中描述了所研究的不太有用的系统，并分析了它们存在缺陷的原因。
