Generation of high-contrast and high-intensity laser pulses using an OPCPA preamplifier in a double CPA, Ti:sapphire laser system

被引：53

作者：

Kiriyama, Hiromitsu ^{[1
]}

Mori, Michiaki ^{[1
]}

Nakai, Yoshiki ^{[1
]}

Shimomura, Takuya ^{[1
]}

Tanoue, Manabu ^{[1
]}

Akutsu, Atushi ^{[1
]}

Okada, Hajime ^{[1
]}

Motomura, Tomohiro ^{[1
]}

Kondo, Shuji ^{[1
]}

Kanazawa, Shuhei ^{[1
]}

Sagisaka, Akito ^{[1
]}

Ma, Jinglong ^{[1
]}

Daito, Izuru ^{[1
]}

Kotaki, Hideyuki ^{[1
]}

Daido, Hiroyuki ^{[1
]}

Bulanov, Sergei ^{[1
]}

Kimura, Toyoaki ^{[1
]}

Tajima, Toshiki ^{[1
]}

机构：

[1] Japan Atom Energy Agcy, Adv Photon Res Ctr, Kizugawa City, Kyoto 6190215, Japan

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 04期

关键词：

AMPLIFIED SPONTANEOUS EMISSION; NONLINEAR PREAMPLIFIER; AMPLIFICATION;

D O I：

10.1016/j.optcom.2008.10.067

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate a high-contrast, high-intensity double chirped-pulse amplification (CPA) Ti:sapphire laser system using an optical parametric chirped-pulse (OPCPA) pre- amplifier. By injecting cleaned microjoule seed pulses into the OPCPA, a temporal contrast greater than 10(10) within picosecond times before the main femtosecond pulse is demonstrated with an output pulse energy of 1.7J and a pulse duration of 30 fs, corresponding to a peak power of 60 TW at a 10 Hz repetition rate. This system uses a cryogenically-cooled Ti:sapphire final amplifier and generates focused peak intensities in excess of 10(20) W/cm(2). (c) 2008 Elsevier B.V. All rights reserved.

引用

页码：625 / 628

页数：4

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