Generation of a broad amplified spectrum in a femtosecond terawatt Ti : sapphire laser by a long-wavelength injection method

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A long-wavelength injection method is proposed that will yield a broad amplified spectrum in a femtosecond terawatt Ti:sapphire laser. By injecting a seed pulse on the red side of the gain peak and amplifying it to a saturated fluence level, we could significantly compensate for the spectral narrowing that is due to the gain-narrowing effect by use of the amplifying characteristics of a positively chirped pulse in a gain-saturated regime, and 20-fs, 3-TW pulses could be demonstrated from a Ti:sapphire laser with two multipass amplifiers. (C) 1999 Optical Society of America [S0740-3224(99)01407-1].
Publisher
OPTICAL SOC AMER
Issue Date
1999-08
Language
English
Article Type
Article
Keywords

PULSE AMPLIFICATION; SYSTEM

Citation

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, v.16, no.8, pp.1220 - 1223

ISSN
0740-3224
URI
http://hdl.handle.net/10203/13400
Appears in Collection
PH-Journal Papers(저널논문)
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