Modes , > 100 contribute neg
the ice roughness at the end
SNTJNQSJOU ON
• Modes feed through to the inner s
• The resulting ice spectrum at the
by modes , < 100, with over 99%
*NQSJOUTQFDUSVN
BUTUBSUPGESJWFQVMTF
5)[44%
.PEFOVNCFS
TC7465
gligibly to
d of acceleration
surface, attenuated by exp(–kDR).
e end of acceleration is dominated
of the rms due to these modes.
*DFSPVHIOFTTTQFDUSVN
FOEPGBDDFMFSBUJPO
"NQMJUVEF nN
m
m
m
m
.PEF
*V. Goncharov et al., Phys. Plasmas 7, 2962 (2000).
vSNT1-D SSD asymptotes much s
• SSD smoothes efficiently do
,min = 2rR0 /]2FDig~ 4, whe
Di2 = Di12 + Di22 is the effec
• 1-D SSD smoothes at the sa
much earlier than 2-D SSD.
m
*OUFHSBUFE%44%
DPTJOFBNQMJUVEFNPEFM
m
%44%NPEFM
m m m
m
5JNF OT
4NPPUIJOHGPS,
TC7646
vSNTsooner than 2-D SSD
own to a mode number of
ere F is the focal length and
ctive far-field divergence.
ame rate, but asymptotes
m
m
.PEFOVNCFS
4NPPUIJOHGPS,UP
BUOT
A completed 2-D simulation w
and an ice power-law index o
• Integrated simulations include imp
nonuniformity (370-nm rms), and 1
• An ice power-law index of b = 1 is
from DT-ice layers at LLE.
[ nN
S nN
• Rhot spot = ~35 nm, neutron-averag
TC7660
with 2-D, 1-THz SSD,
of 1 produced a gain of 27
print, power imbalance, foam-surface
1-nm initial ice roughness.
used, determined experimentally
%FOTJUZ Near peak
HDNm
compression
ged fuel areal density = 1.32 g cm–2.
The pulse shape is within the
of NIF pulse-shaping capabil
• Pulses on the NIF are decomp
impulses and filtered with a 1-
1PXFS 58
0SJHJOBM
'JUUP(B
5
TC7466
e limits
lities
posed into a series of Gaussian
-GHz, low-pass filter.
MQVMTF
BVTTJBOBOEGJMUFSFE
5JNF OT
4VNJORVBESBUVSF Nonuniformities: Power Imbalance
PGNPEFTUP
Beam-to-beam imbalance im
perturbations on the target
• Beam port locations contribu
• Beam-to-beam imbalance is d
with an amplitude of ~1%.
• Beam mistiming contributes
primarily during the picket.
*ODMVEJOHQPXFSJNCBMBODF
"MTPJODMVEJOHNJTUJNJOH
5JNF OT
TC7158a
mposes long-wavelength
ute a perturbation of ~1% in , = 6.
dominated by modes , = 2 to 12,
~5 to 15% in modes , = 1 to 3,
"JUPGGQSPKFDUJPO
m
0OUBSHFUQFSUVSCBUJPO