Approaching the diffraction-limited, bandwidth-limited Petawatt
J-KAREN-P is a high-power laser facility aiming at the highest beam quality and irradiance for performing state-of-the art experiments at the frontier of modern science. Here we approached the physical limits of the beam quality: diffraction limit of the focal spot and bandwidth limit of the pulse s...
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| Veröffentlicht in: | Optics express 2017-08, Vol.25 (17), p.20486-20501 |
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| container_title | Optics express |
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| creator | Pirozhkov, Alexander S Fukuda, Yuji Nishiuchi, Mamiko Kiriyama, Hiromitsu Sagisaka, Akito Ogura, Koichi Mori, Michiaki Kishimoto, Maki Sakaki, Hironao Dover, Nicholas P Kondo, Kotaro Nakanii, Nobuhiko Huang, Kai Kanasaki, Masato Kondo, Kiminori Kando, Masaki |
| description | J-KAREN-P is a high-power laser facility aiming at the highest beam quality and irradiance for performing state-of-the art experiments at the frontier of modern science. Here we approached the physical limits of the beam quality: diffraction limit of the focal spot and bandwidth limit of the pulse shape, removing the chromatic aberration, angular chirp, wavefront and spectral phase distortions. We performed accurate measurements of the spot and peak fluence after an f/1.3 off-axis parabolic mirror under the full amplification at the power of 0.3 PW attenuated with ten high-quality wedges, resulting in the irradiance of ~10
W/cm
and the Strehl ratio of ~0.5. |
| doi_str_mv | 10.1364/OE.25.020486 |
| format | Article |
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W/cm
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| title | Approaching the diffraction-limited, bandwidth-limited Petawatt |
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