High average power Yb:CaF2 femtosecond amplifier with integrated simultaneous spatial and temporal focusing for laser material processing

被引：19

作者：

Squier, J. ^{[1
]}

Thomas, J. ^{[1
,2
]}

Block, E. ^{[1
]}

Durfee, C. ^{[1
]}

Backus, S. ^{[3
,4
]}

机构：

[1] Colorado Sch Mines, Dept Phys, Ctr Microintegrated Opt Adv Bioimaging & Control, Golden, CO 80401 USA

[2] Univ Jena, Inst Appl Phys, Abbe Ctr Photon, D-07743 Jena, Germany

[3] KMLabs Inc, Dept Res & Dev, Boulder, CO 80301 USA

[4] Colorado State Univ, Dept Elect & Comp Engn, Ft Collins, CO 80523 USA

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 114卷 / 01期

关键词：

OPTICALLY TRANSPARENT MATERIALS; PULSES; MICROFABRICATION; MICROSCOPY;

D O I：

10.1007/s00339-013-8106-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A watt level, 10-kz repetition rate chirped pulse amplification system that has an integrated simultaneous spatial and temporal focusing (SSTF) processing system is demonstrated for the first time. SSTF significantly reduces nonlinear effects normally detrimental to beam control enabling the use of a low numerical aperture focus to quickly treat optically transparent materials over a large area. The integrated SSTF system has improved efficiency compared to previously reported SSTF designs, which combined with the high-repetition rate of the laser, further optimizes its capability to provide rapid, large volume processing.

引用

页码：209 / 214

页数：6

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