Title レーザー核融合における圧縮効率向上に関する研究 Author(s) 山田, 家和勝 Citation Issue Date Text Version ETD URL http://hdl.handle.net/11094/788 DOI rights Note Osaka University Knowledge Archive : OUKA Osaka University Knowledge Archive : OUKA https://ir.library.osaka-u.ac.jp/repo/ouka/all/ Osaka University
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Title レーザー核融合における圧縮効率向上に関する研究
Author(s) 山田, 家和勝
Citation
Issue Date
Text Version ETD
URL http://hdl.handle.net/11094/788
DOI
rights
Note
Osaka University Knowledge Archive : OUKAOsaka University Knowledge Archive : OUKA
https://ir.library.osaka-u.ac.jp/repo/ouka/all/
Osaka University
レ ー「ザ 」 核 融 合 に お げ るほ が ヨ
ノ ド
ル メ な
ド く ラ ら の バ チヴい ヱ
圧縮効率向上に関する研究ド.甲
も ま ド ノ
・昭 参和 .57f年1一 月脹!心
山 田 家 和 勝
■・YAG.SilicatePhosphate
LSG-91HILHG-51LHG-7iLHG-8
。(1・ 一20。zm)a).60. .2.73.93.84.2
.(us)b).30・29・3・53・5
△λ(OA)c)6.5252186,2。02・1,. 璽.an)..1.』550L5311.5041.520
.
・2(・ ・一13esu)e).L59.…3 .・ ・95…2
・。/dT(、 。一6局f).・.・ 一2.9.一5.3
d。/dT(・ ・一6/(今.9)・4.62.3・.6
`
Laser Fusion Facility "GEKKO IV"
Table 3. Simulation calculation of system performance.
Input Parameters
1) Input; Radial intensity distribution for initial beam
Temporal pulse shape for initial beam
2) Amplifier; Gain distribution
Birefringence
3) Spatial Filter; T vs B curve
4) Dye Cell;
5) Polarizer ;
6) Faraday Rotator;
7) Mirror;
8) Beam Splitter ;
Output Parameters
1) Radial intensity distribution
2) Temporal pulse shape
3) Peak power
4) Output energy
5) Filling factor
6) State of polarization
7) B-integral
Parameter Value
Beam Number 4 beam
Output Diameter 110 mm
Beam Divergence 0.13 mrad
Peak Power 4TW(4 beams)
Focusable Power Density 5x1017NV/,d
Repetition Time 30 minutes
Pulse Width 40 ps-1 as
Prepulse < 10-9
uu
0.275)
52.4
0.70097.0 97.5 68.8
99
98.4 9&7 94.3 95.5
7.8
_ _
Cd CA (u) I Ag Al _ l A N' Pt Rh Sn
0.200 23 44 38 9
33.8 170.251 36 3
0.280 25.2 92.3 37.8 33.0 37.6 43.1 68.5
0.305 490 .275) 21
0.360 88.2 92.5 36.3 60 41.5 41.277.0 27(l= (A= (A= (l=0
.400 94.8 92.4 38.7 0.357) 47.5 0.361) 0.361) 77.6 0.357)
0.450 ! 96.6 92.2 38.7 55.2 56.1 58.4 77.2
0.500 I 97.7 91.8 I 47.7 60.0 (0.441) (0.441) 77.40.550 97.9 91.6 81.7 66.9 54.9 67.9 78.0
0.600 i 98.1 I 91.1 ) (0.546) 79.1(~
98.5 89.969.0 80.41.0 98.9 I 93.9 77 85.082
2.0 98.9 97.28 6 83.5 90.5
3.0 98.9 97.5 98.3 98 6 88.7 92.5
5.0 j 98.9 97.7 98.3 98.7 94.4 94.57.0 98.9 97.895.2
10.0 98.9 98.0 I 98.4 98.8 95.5 I 96.0
91.9 93.30.546
98.5 72.09
.
ozc
1) Improvement of Absorption and . Hydrodynamic Efficiency by Using a Double Foil Target with a Pinhole
K.Yamada, M.Yagi, H.Nishimura, F.Matsuoka, H.Azechi, T.Yamanaka, and C.Yamanaka:
J. Phys. Soc. Jpn. 51, (1982) (to be published).
2) Experimental Study of Wavelength Dependences of Laser-plasma Coupling, Transport, and Ablation Processes
H.Nishimura, H.Azechi, K.Yamada, A.Tamura, Y.Inada, F.Matsuoka, M.Hamada, Y.Suzuki, S.Nakai, and C.Yamanaka:
Phys. Rev. A 23, (1981) 2011.
3) Time- and Space-resolved Temperature of a 10.6 um Laser Irradiated Foil
H.Nishimura, M.Yagi, F.Matsuoka, K.Yamada, T.Yamanaka, S.Nakai, and C.Yamanaka:
Appl. Phys. Lett. 39, (1981) 592.
4) Generation of Super-Fast Ions due to Nonlinear Processes near the Quarter Critical Density in Laser-Produced Plasmas
K.Yamada, S.Sakabe, N.Miyanaga, Y.Inada, Y.Kato, K.Mima, and C.Yamanaka:
Submitted to Jpn. J. Appl. Phys.
__1 W11-
1) Laser Fusion Facility "GEKKO IV - 4 TW Four Beam Phosphate Glass Laser System
K.Yamada, O.Ebisu, Y.Inada, Y.Kato, J.Kuroda, Y.Mizumoto, M.Monma, T.Sasaki, T.Yamanaka, K.Yoshida, and C.Yamanaka:
Technology Reports of Osaka University 29, (1979) 159.
2) Ablative Mode Compression Experiments of Spherical Targets by Glass Laser GEKKO IV
H.Azechi, Y.Inada, Y.Kato, T.Matsuo, N.Miyanaga, E.Morikawa, K.Nishihara, S.Oda, S.Sakabe, T.Sasaki, H.Shiraga, T.Yabe, K.Yamada,
K.Yoshida, T.Yamanaka, and C Yamanaka: Technology Reports of Osaka University 30, (1980) 157.
3) Experimental Study on Wavelength Scaling in Laser Fusion by Using 0.53, 1.06 and 10.6 Um Lasers
H.Nishimura, H.Azechi, K.Yamada, A.Tamura, Y.Inada, F.Matsuoka, M.Hamada, Y.Suzuki, S.Naka and C.Yamanaka:
Technology Reports of Osaka University 31, (1981) 97.
4) Experimental Study of Cannonball Acceleration by Using a Double-Foil Target with a Hole
K.Yamada, M.Yagi, H.Nishimura, F.Matsuoka, H.Azechi, T.Yamanaka, and C.Yamanaka:
Technology Reports of Osaka University 31, (1981) 1621.
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