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초강력 레이저 과학 연구단
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Achieving the laser intensity of 5.5×1022 W/cm2 with a wavefront-corrected multi-PW laser

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Title
Achieving the laser intensity of 5.5×1022 W/cm2 with a wavefront-corrected multi-PW laser
Author(s)
JIN WOO YOON; CHEONHA JEON; JUNGHOON SHIN; SEONG KU LEE; HWANG WOON LEE; IL WOO CHOI; HYUNG TAEK KIM; JAE HEE SUNG; CHANG HEE NAM
Publication Date
2019-07
Journal
OPTICS EXPRESS, v.27, no.15, pp.20412 - 20420
Publisher
OPTICAL SOC AMER
Abstract
© 2019 Optical Society of America under the terms of the OSA Open Access Publishing AgreementThe generation of ultrahigh intensity laser pulses was investigated by tightly focusing a wavefront-corrected multi-petawatt Ti:sapphire laser. For the wavefront correction of the PW laser, two stages of deformable mirrors were employed. The multi-PW laser beam was tightly focused by an f/1.6 off-axis parabolic mirror and the focal spot profile was measured. After the wavefront correction, the Strehl ratio was about 0.4, and the spot size in full width at half maximum was 1.5×1.8 µm2, close to the diffraction-limited value. The measured peak intensity was 5.5×1022 W/cm2, achieving the highest laser intensity ever reached
URI
https://pr.ibs.re.kr/handle/8788114/6371
ISSN
1094-4087
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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