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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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100-kHz 22-fs Ti:sapphire regenerative amplification laser with programmable spectral control

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Title
100-kHz 22-fs Ti:sapphire regenerative amplification laser with programmable spectral control
Author(s)
Jae Hee Sung; Hwang Woon Lee; Chang Hee Nam; Seong Ku Lee
Publication Date
2016-05
Journal
APPLIED PHYSICS B-LASERS AND OPTICS, v.122, no.5, pp.125 -
Publisher
SPRINGER
Abstract
An ultrashort, high-power Ti:sapphire laser operating at 100 kHz was developed. A regenerative amplifier with a cryogenically cooled Ti:sapphire crystal and a grism compressor were incorporated in the laser. For achieving a wide bandwidth of 78 nm, a programmable spectral control filter was applied to the regenerative amplifier to compensate for the gain narrowing effect. An output power of 1.4 GW with near Fourier-transform-limited pulse duration of 22 fs was achieved after minimizing a spectral phase error with the grism compressor, and the measured beam quality factor (M2) was less than 1.2. This high-quality laser will facilitate applications requiring high-repetition rate, ultrashort, high-power laser pulses. © 2016, Springer-Verlag Berlin Heidelberg
URI
https://pr.ibs.re.kr/handle/8788114/2500
ISSN
0946-2171
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
Files in This Item:
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