Thin-Disk Yb:YAG Oscillator-Amplifier Laser, ASE, and Effective Yb:YAG Lifetime

被引：94

作者：

Antognini, Aldo ^{[1
]}

Schuhmann, Karsten ^{[2
]}

Amaro, Fernando D. ^{[3
]}

Biraben, Francois ^{[4
,5
]}

Dax, Andreas ^{[6
]}

Giesen, Adolf ^{[2
]}

Graf, Thomas ^{[7
]}

Haensch, Theodor W. ^{[1
]}

Indelicato, Paul ^{[4
,5
]}

Julien, Lucile ^{[4
,5
]}

Kao, Cheng-Yang ^{[8
]}

Knowles, Paul E. ^{[9
]}

Kottmann, Franz ^{[10
]}

Le Bigot, Eric ^{[4
,5
]}

Liu, Yi-Wei ^{[8
]}

Ludhova, Livia ^{[9
]}

Moschuering, Niels ^{[1
]}

Mulhauser, Francoise ^{[9
]}

Nebel, Tobias ^{[1
]}

Nez, Francois ^{[4
,5
]}

Rabinowitz, Paul ^{[11
]}

Schwob, Catherine ^{[4
,5
]}

Taqqu, David ^{[10
]}

Pohl, Randolf ^{[1
]}

机构：

[1] Max Planck Inst Quantum Opt, D-85748 Garching, Germany

[2] Technol Gesell Strahlwerkzeuge mbH, D-70178 Stuttgart, Germany

[3] Univ Coimbra, Dept Fis, P-3000 Coimbra, Portugal

[4] Ecole Normale Super, Lab Kastler Brossel, F-75252 Paris 05, France

[5] Univ Paris 06, F-75252 Paris 05, France

[6] Yale Univ, Dept Phys, New Haven, CT 06520 USA

[7] Univ Stuttgart, Inst Strahlwerkzeuge, D-70569 Stuttgart, Germany

[8] Natl Tsing Hua Univ, Dept Phys, Hsinchu 300, Taiwan

[9] Univ Fribourg, Dept Phys, CH-1700 Fribourg, Switzerland

[10] Paul Scherrer Inst, CH-5232 Villigen, Switzerland

[11] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2009年 / 45卷 / 08期

关键词：

Amplified spontaneous emission (ASE); Collins integral; diode-pumped laser; effective Yb:YAG lifetime; multipass amplifier; oscillator; prelasing; Q-switch; thermal lens; thin-disk laser; LAMB-SHIFT EXPERIMENT; EMISSION CROSS-SECTION; YB-YAG; REFRACTIVE-INDEX; BEAMS; LENS;

D O I：

10.1109/JQE.2009.2014881

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 report on a thin-disk Yb:YAG laser made from a Q-switched oscillator and a multipass amplifier delivering pulses of 48 mJ at 1030 nm. The peculiar requirements for this laser are the short delay time (< 500 ns) between electronic trigger and optical output pulse and the time randomness with which these triggers occur (with trigger to next trigger delay >= 1.5 ms). Details concerning the oscillator dynamics (-switching cycle, intensity stabilization), and the peculiar amplifier layout are given. Simulations of the beam propagation in the amplifier based on the Collins integral and the measured aspherical components of the disk reproduce well the measured beam intensity profiles (with higher order intensity moments) and gains. Measurements of the thermal lens and ASE effects of the disk are also presented. A novel method to deduce the effective Yb:YAG upper state lifetime (under real laser operation and including ASE effects) is presented. That knowledge is necessary to determine gain and stored energy in the active medium and to understand the limiting factors for energy scaling of thin-disk lasers.

引用

页码：983 / 995

页数：13

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