Feedback-stabilized Nd:YLF amplifier system for generation of picosecond pulse trains of an exactly rectangular envelope

被引：20

作者：

Will, I ^{[1
]}

Liero, A

Mertins, D

Sandner, W

机构：

[1] Max Born Inst Nonlinear Opt & Short Pulse Spect, D-12489 Berlin, Germany

[2] Spektrum Laser Dev & Sales Inc Ltd, D-13597 Berlin, Germany

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1998年 / 34卷 / 10期

关键词：

electron guns; feedback systems; laser amplifiers; laser stability; modelocked lasers; photocathodes; pulsed lasers; solid lasers;

D O I：

10.1109/3.720242

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We describe the amplifier chain of the photocathode laser of the TESLA Test Facility. This chain is optimized for amplification of trains of picosecond pulses. At its output, pulse trains with a rectangularly shaped envelope of 0.7% flatness and a longterm stability of the energy in the individual picosecond pulses in excess of 0.9% are obtained, This stability is achieved by using a computerized feedback control system, which we describe in detail together with the versatile feedback algorithm applied. The feedback loop performs st tight adjustment of both the shape and magnitude of the flashlamp pulses as well as the starting time of the primp with respect to the pulse train. High-current insulated gate bipolar transistors are used to directly manipulate the flashlamp current in a microsecond time scale.

引用

页码：2020 / 2028

页数：9

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