Efficient generation of THz pulses with 0.4 mJ energy

被引：216

作者：

Fueloep, J. A. ^{[1
,5
]}

Ollmann, Z. ^{[2
,5
]}

Lombosi, Cs. ^{[2
]}

Skrobol, C. ^{[3
,4
]}

Klingebiel, S. ^{[3
]}

Palfalvi, L. ^{[2
]}

Krausz, F. ^{[3
,4
]}

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

Hebling, J. ^{[1
,2
,5
]}

机构：

[1] MTA PTE High Field Terahertz Res Grp, H-7624 Pecs, Hungary

[2] Univ Pecs, Inst Phys, H-7624 Pecs, Hungary

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

[4] Univ Munich, Dept Phys, D-85748 Garching, Germany

[5] Univ Pecs, Szentagothai Res Ctr, H-7624 Pecs, Hungary

来源：

OPTICS EXPRESS | 2014年 / 22卷 / 17期

基金：

匈牙利科学研究基金会;

关键词：

HZ REPETITION RATE; OPTICAL RECTIFICATION; TERAHERTZ PULSES; ELECTRON ACCELERATION; LITHIUM-NIOBATE; CRYSTALS; DESIGN;

D O I：

10.1364/OE.22.020155

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficient generation of THz pulses with high energy was demonstrated by optical rectification of 785-fs laser pulses in lithium niobate using tilted-pulse-front pumping. The enhancement of conversion efficiency by a factor of 2.4 to 2.7 was demonstrated up to 186 mu J THz energy by cryogenic cooling of the generating crystal and using up to 18.5 mJ/cm(2) pump fluence. Generation of THz pulses with more than 0.4 mJ energy and 0.77% efficiency was demonstrated even at room temperature by increasing the pump fluence to 186 mJ/cm(2). The spectral peak is at about 0.2 THz, suitable for charged-particle manipulation. (C) 2014 Optical Society of America

引用

页码：20155 / 20163

页数：9

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