Ytterbium-Based Disk Amplifier for an Ultra-Short Pulse Lasera

被引：2

作者：

Vetrovec, John ^{[1
]}

Copeland, Drew A. ^{[1
]}

Du, Detao ^{[2
]}

Schmidt, Bodo ^{[2
]}

机构：

[1] Aqwest LLC, Larkspur, CO USA

[2] Gen Astom Aeronaut, San Diego, CA 92121 USA

来源：

SOLID STATE LASERS XIX: TECHNOLOGY AND DEVICES | 2010年 / 7578卷

关键词：

Ultra-short pulse lasers; solid-state disk laser; laser amplifier; edge pumping; composite gain medium; amplified spontaneous emission; quasi-three level;

D O I：

10.1117/12.842732

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on the development of a ytterbium-based disk amplifier for an ultra-short pulse laser using edge-pumped architecture and offering excellent scalability to high-average power in the kW-range. The disk has a composite construction with undoped perimetral edge designed to channel pump light while efficiently outcoupling amplified spontaneous emission. Uniform extraction of waste heat together with uniform pumping offers very low optical path distortion and allows for amplification of near diffraction limited beams in nanosecond-class pulses. This work discusses performance modeling of the edge-pumped disk amplifier using a newly developed time-dependent 2-dimensional (spatial) model for dynamic pumping and extraction. Selection of laser materials and an innovative two-disk amplifier architecture for multiple extractions are also presented.

引用

页数：10

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