· . & 4x; ! pb qyf 8ivl / (0d6#uh !qy . & $)-% e laser @7r3m j e laserµ1/n2 aeg...

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

✿

–