Temporal characterization of mid-IR free-electron-laser pulses by frequency-resolved optical gating

被引：31

作者：

Richman, BA

Krumbugel, MA

Trebino, R

机构：

[1] Combustion Research Facility, Sandia National Laboratories, Livermore

来源：

OPTICS LETTERS | 1997年 / 22卷 / 10期

关键词：

D O I：

10.1364/OL.22.000721

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We performed what we believe are the first practical full-temporal-characterization measurements of ultrashort pulses from a free-electron laser (FEL). Second-harmonic-generation frequency-resolved optical gating (FROG) was used to measure a train of mid-IR pulses distorted by a saturated water-vapor absorption line and showing free-induction decay. The measured direction of time was unambiguous because of prior knowledge regarding free-induction decay. These measurements require only 10% of the power of the laser beam and demonstrate that FROG can be implemented as a pulse diagnostic simultaneously with other experiments on a FEL. (C) 1997 Optical Society of America.

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页码：721 / 723

页数：3

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