42 W femtosecond Yb:Lu2O3 regenerative amplifier

被引：15

作者：

Caracciolo, E. ^{[1
,2
]}

Pirzio, F. ^{[1
]}

Kemnitzer, M. ^{[2
]}

Gorjan, M. ^{[2
]}

Guandalini, A. ^{[2
]}

Kienle, F. ^{[2
]}

Agnesi, A. ^{[1
]}

Der Au, J. Aus ^{[2
]}

机构：

[1] Univ Pavia, Dipartimento Ingn Ind & Informaz, Via Ferrata 5, I-27100 Pavia, Italy

[2] Spectra Phys Rankweil, Feldgut 9, A-6830 Rankweil, Austria

来源：

OPTICS LETTERS | 2016年 / 41卷 / 15期

关键词：

LASER; POWER;

D O I：

10.1364/OL.41.003395

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on a femtosecond high-power regenerative amplifier based on Yb:Lu2O3. Exploiting the excellent thermo-mechanical properties of this material, we were able to achieve up to 64.5W in continuous-wave regime, limited only by the available pump power. In pulsed operation, 42 W of average output power at a repetition rate of 500 kHz with 780 fs long pulses could be demonstrated, resulting in a pulse peak power of similar to 100 MW. The spectrum was centered at 1034 nm with an FWHM of 2.4 nm, potentially allowing for even shorter pulses. At the maximum output power the beam was nearly TEM00, with an M-2 value of 1.2 in both axes. (C) 2016 Optical Society of America

引用

页码：3395 / 3398

页数：4

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