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PERFORMANCE OF A MOPA LASER SYSTEM FOR PHOTOCATHODE RESEARCH

被引：5
作者：
MOLS, RFXAM
ERNST, GJ
机构：
[1] University of Twente, Department of Applied Physics, 7500 AE Enschede
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1994年 / 341卷 / 1-3期
关键词：
D O I：
10.1016/0168-9002(94)90410-3
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 [仪器科学与技术]; 080401 [精密仪器及机械]; 081102 [检测技术与自动化装置];
摘要：
A Nd:YLF laser system with frequency doubled output is described. Several aspects concerning energy and stability of the pulses will be discussed. The system consists of a CW mode locked Nd:YLF oscillator and two double pass amplifiers having a total small signal pin of about a million which means care must be taken to prevent self-oscillations. Due to saturation effects the energy per micropulse is limited to 20 muJ, resulting in 8 muJ at the second harmonic frequency (526.5 nm). For the frequency conversion KTP type II is used. The short term timing stability was measured using a spectrum analyser and found to be less than 200 fs with a width of 450 Hz. The amplitude fluctuations over the 15 mus macropulse are determined by the saturation behaviour of the amplifiers and the shot to shot stability of the amplifiers. Third and fourth harmonic generation is under study.
引用
收藏
页码：481 / 483
页数：3
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