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ΣT
✿ Fe– Fe
✿
–
✿
D + T → n(14.1MeV) + 4He(3.5MeV)
n + 6Li → 4He(2.1MeV) + T(2.7MeV)
✿
✿
✿
–
✿
10keV 1
✿
– T10keV
– n– t
✿
– (J. D. Lawson, 1957)
n tt = 1014 s/cm3 for D-T fusion
110-26
T [keV]
<ssv>
[m3 /s
]
10 100
10-24
10-22
✿
–✿
–
✿
–
– n = 1000 , t = 3 mm !–
n ~ 1014 1/cm3, tt ~ 1 s
n ~ 1025 1/cm3, tt ~ 10-11 s
✿
Elaser
✿ Elaserµ 1/n21000
100✿
–
–
(1)
(2)
(3)
(4)
✿
✿
––
✿
–––
NIF : National Ignition FacilityLawrence Livermore National Laboratory✿ 2009 5 8
NIF : National Ignition FacilityLawrence Livermore National Laboratory
✿ Star Trek Into Darkness
NIF : National Ignition FacilityLawrence Livermore National Laboratory
✿
NIF : National Ignition FacilityLawrence Livermore National Laboratory✿ 50%
NIF : National Ignition FacilityLawrence Livermore National Laboratory✿
50kJ
*O. Hurricane, invited talk at ICPP2018, Vancouver, Canada, June 4 - 8 (2018).
Chirped Pulse Amplification
(1)
(2)(3)
✿ (10keV) (1000 )
✿
––
✿
✿
–
✿
– XII 12 10kJ/2ns/0.53µm– 1983
✿ LFEX– 4– 10kJ/10ps/1.06µm
XII
FIREX
500 µm
Fast Ignition Realization EXperiment
5[keV]
✿
–ns vs. ps mm vs. µm
vs. vs. –
FI3Fast Ignition Integrated Interconnecting code
✿
by✿
✿
by✿
✿
(quiver)––
Plasma WakeField Acceleration (PWFA)
✿
–Radiation Pressure Acceleration (RPA)
✿
–
Target Normal Sheath field Acceleration (TNSA)
ne=10ncr, IL=1020 [W/cm2]
ni=25ncr, IL=1021 [W/cm2]
✿
*A. Macchi, et al., Rev. Mod. Phys. 85, 751 (2013).
ne=20ncr, IL=1020 [W/cm2]
/NIRS
✿
✿
✿ 42m
–
/NIRS
~6m ~5m
Compact Heavy-Ion (Carbon Ion) Synchrotron
100TW Laser Target Chamber toFocus the Laser Beam
Dipole MagnetsElectron Beam Cooler
Carbon (200MeV)
RF Acceleration Cavity
100 TW Laser Ion Source
Inner Ring
RF Acceleration Cavity
Induction Accelerator
Outer Ring
RF Acceleration Cavity
RF Cavity forPhase Rotation
✿
–
SEM*M. Hashida, et al., Proc. 9th Symp. Microjoining and Assembly Technology in Electronics, 9, 517-522 (2003).
nthin = 0.7ncr
jxe / encrc BZ [MG]ne / ncr
t = 150 [fs]
t = 200 [fs]
✿
✿
–
•
•
X
✿
–
*T. N. Kato, et al., APJ 681, L93 (2008).
jxe
BZ
ne
✿
✿
–
–
✿ 3 3
✿
–
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