Properties of an ultrashort-pumped near-IR high gain dye amplifier

被引：0

作者：

C. Pépin

S. Marengo

D. Houde

机构：

[1] Département de Médecine Nucléaire et de Radiobiologie,

[2] Faculté de Médecine,undefined

[3] Université de Sherbrooke,undefined

[4] Sherbrooke,undefined

[5] Québec,undefined

[6] Canada J1H 5N4,undefined

来源：

Applied Physics B | 2002年 / 75卷

关键词：

PACS: 42.60.Da; 42.60.Lh; 42.55.Mv;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

An ultra-short-pumped optical dye amplifier operating in the near-IR (720 nm) has been developed. We present an experimental study of the input–output characteristics of this simple device in a traveling wave collinear configuration. In essence, the combined effects of the ultrafast nature of the anisotropy induced by the exciting laser pulse along with the short transit time across the length of the cell allow for optimal output conditions given the number of molecules in the active volume. Two distinct amplifying regimes have been observed depending on photon density. Typical gain values of 104 of the narrow bandwidth (∼9 nm) subpicosecond output signal were measured. The 8-mm2 beam cross section enables this photon amplifier to be utilized in time-gated imaging applications.

引用

页码：471 / 476

页数：5

共 50 条

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